List of Physics Demonstrations Currently at UNF

Properties of MaterialsLinear Mechanics - Rotational Motion - Electricity and Magnetism - Optics and Wave Phenomena - Fluids and Thermodynamics - Modern Physics 

 

 

Properties of Materials Demonstrations

 

   
 

Density Rod 

Description: Aluminum rod that sinks in warm water and floats in cool water.

Physics principles demonstrated: density, thermal expansion

Location: Demo room 1100

Notes: Use in conjunction with "Reverse Density Rod".

   Density rod
       
 

Reverse Density Rod 

Description: PVC rod that sinks in cool water and floats in warm water.  Instruction/explanation manual included.

Physics principles demonstrated: density, thermal expansion

Location: Demo room 1100

Notes: Use in conjunction with "Density Rod".

   Reverse density rod
       
 

Archimedes Principle Bucket and Cylinder

Description: Steel bucket that hold exactly the same volume of fluid as the volume of the steel cylinder.  

Physics principles demonstrated: density, buoyancy

Location: Demo room 1100

Notes: Very small.  Best used in small class setting.

   Archimedes Principle
       
 

Weight of Air 

Description: Aluminum can that is first filled with air and then evacuated.  Weigh the can before and after evacuation.  Instructions included.

Physics principles demonstrated: mass, air pressure

Location: Demo room 1100

Notes: Vacuum pump and scale needed.

   Mass of Air
       
 

Happy Ball Sad Ball

Description: 2 black rubber spheres that look identical, although their reaction when hitting a surface is completely different.  The happy ball will rebound like a regular bouncy ball, but the sad ball will just lie on the surface after impact. 

Physics principles demonstrated: elastic vs. inelastic collisions, coefficient of restitution, polymerization

Location: Demo room 1100

Notes: 2 sets available in demo room  

   Happy Sad Ball
       
 

Matter Molecule

Description: Spring connected set of plastic balls that simulate a molecule of matter.  Can be used to explain the normal force.  

Physics principles demonstrated: Normal force, molecular bonds, cubic structure

Location: Demo room 1100

Notes: Can be disassembled and rearranged into new molecular structure.

   Matter molecule
       
 

Prince Rupert Drops

Description: Formed by a drop of molten glass being rapidly cooled in water, these drops are extremely strong on their core but extremely weak on their tip.  The drop can withstand a hammer blow on the core, but will implode due to a small impact on the tip.  Reference material found here.

Physics principles demonstrated: internal forces, kinetic energy, molecular bonds 

Location: Demo room 1100

Notes: Very small, best used in small class setting or projected for better viewing.

   Prince rupert drops
       
 

Linear Mechanics Demonstrations

 

   
 

Inclined Plane

Description: Hinged wooden planks with large protractor and ruler.  Pulley attached at top.

Physics principles demonstrated: friction, forces, Newton's laws

Location: Demo room 1100

Notes:

   Inclined Plane

 

 

 

 

 

Hover Puck

Description: Puck that hovers over the ground by air and demonstrates motion within a very low-friction environment.

Physics principles demonstrated: constant velocity, Law of inertia

Location: Demo room 1100

Notes: Uses batteries

 

 

 Hover Puck

       
 

Pasco PAScar Dynamics System Track and Carts


 Description: Low friction carts and track with many accessories, such as weights, pulley, magnets, and springs.  

Physics principles demonstrated: basic dynamics 

Location: Demo room 1100

Notes: Can be used in conjunction with many other Pasco products such as motion sensor, photogate timer, and/or Pasco Interface. 

   Pasco track and carts
       
 

Variable Speed Motorized Cart 

Description: Motorized cart that uses either 4 "C" batteries or external DC power supply to travel at a constant speed ranging from 8-25 cm/s.  

Physics principles demonstrated: constant velocity 

Location: Demo room 1100

Notes: Can be used in conjunction with many other Pasco products such as motion sensor, photogate timer, dynamic system cart/track and/or Pasco Interface.  Manual with suggested experiments found here.

   Motorized cart
       
 

4 Track Elevated Race 

Description: Set of 4 tracks that start at same height, but decline in different ways.  

Physics principles demonstrated: conservation of energy

Location: Demo room 1100

Notes: Needs four identical balls (steel balls should be with apparatus).

 
   Elevated track race
       
 

Single Elevated Track 

Description: Approximately 5 ft long elevated track that rises, falls, and rises again.

Physics principles demonstrated: conservation of energy, friction

Location: Demo room 1100

Notes: Needs ball

   Single elevated track
       
 

Loop the loop 

Description: Track with loop 

Physics principles demonstrated: conservation of energy, friction

Location: Demo room 1100

Notes: In labeled box (as seen in picture), with 2 steel balls.

   Loop the loop
       
 

Projectile Launcher

Description: Pasco projectile launcher with protractor, ram rod, release string and mount.   

Physics principles demonstrated: projectile motion, conservation of energy, independence of x & y directions

Location: Demo room 1100

Notes: In labeled box (as seen in picture), with 2 plastic balls.  Needs clamp to affix mount to table.

   Projectile launcher
       
 

Horizontally launched vs. Dropped Projectile (Pasco)

Description: Apparatus that simultaneously drops one ball while horizontally launching another ball.    

Physics principles demonstrated: projectile motion, independence of x & y directions

Location: Demo room 1100

Notes: In labeled box, with 2 steel balls.  Needs clamp to affix mount to table.  Somewhat small device that may be hard to see in large class setting.

   Dropped and horizontally launched balls
       
 

Horizontally launched vs. Dropped Projectile (Cenco)

Description: Apparatus that simultaneously drops one ball while horizontally launching another ball.    

Physics principles demonstrated: projectile motion, independence of x & y directions

Location: Demo room 1100

Notes: In labeled box, with 2 steel balls.  Needs clamp to affix mount to table. Slightly larger apparatus than Pasco version above.

   Dropped and ... 2
       
 

Monkey Hunter

Description: Apparatus that drops a toy monkey when you release the trigger of your dart gun.  Explore projectile motion concepts quantitatively or qualitatively with this fun demonstration.    

Physics principles demonstrated: projectile motion, independence of x & y directions

Location: Demo room 1100

Notes: In labeled plastic case.  Assembly required!

   Monkey hunter
       
 

Ballistic Pendulum

Description: Pendulum that is launched by spring loaded gun and maximum height is recorded.    

Physics principles demonstrated: projectile motion, conservation of energy, impulse

Location: Demo room 1100

Notes: Loading the gun requires a strong push.

   Ballistic Pendulum
       
 

Ballistic Car

Description: Car that will eject a steel ball vertically when triggered.  Best to push car along straight track, release ball and ask students if the ball will land in front of, behind, or in car.  

Physics principles demonstrated: projectile motion, independence of x & y directions

Location: Demo room 1100

Notes: Takes practice to successfully pull trigger cord in smooth manner and allow car to continue on straight track.  Do not use this demo without practice or you will teach your students the opposite of what you actually want!

   Ballistic Car
       
 

Feather/Coin in a vacuum tube 

Description: Plastic tube that contains feather and a coin.  Once evacuated, the feather and coin should fall to the bottom of the tube in the same amount of time. 

Physics principles demonstrated: Acceleration due to gravity, projectile motion

Location: Demo room 1100

Notes: Needs vacuum pump.

   Feather/Coin fall
       
 

Feather/Coin in a vacuum tube (manual pump)

Description: Plastic tube that contains feather and a coin.  Once evacuated, the feather and coin should fall to the bottom of the tube in the same amount of time. 

Physics principles demonstrated: Acceleration due to gravity, projectile motion

Location: Demo room 1100

Notes: Manual evacuator is very slow and requires a lot of effort.

   Coin/feather fall (manual pump)
       
 

Newton's cradle

Description: Set of 5 steel balls suspended by light strings.  

Physics principles demonstrated: conservation of momentum, conservation of energy, elastic vs. inelastic collisions, impulse

Location: Demo room 1100

Notes

   Newton's Cradle
       
 

Tension Protractor Set

Description: Devices that display the tension in the attached string, with unit circle displayed behind for easy angular reading.   4 tension protractors available in demo room.   

Physics principles demonstrated: vectors, tension, forces, Newton's 2nd Law

Location: Demo room 1100

Notes: Requires assembly on rod/stands as seen in picture.  Maximum tension that can be read is 10N.

   Tension protractor
       
 

Equal Length Spring Set

Description: Set of 5 springs that have equal unstretched lengths, but different force constants. 

Physics principles demonstrated: forces, Hooke's Law

Location: Demo room 1100

Notes: Requires assembly on rod/stands as seen in picture.  

   Equal length springs
       
 

Fan Cart

Description: Mobile cart with removable plastic sail.  Without sail, cart doesn't move when fan is turned on.  With the sail, the cart will move when the fan is turned on.  

Physics principles demonstrated: forces, Newton's 3rd Law

Location: Demo room 1100

Notes: Batteries required for fan.

   Fan cart
 

Rotational Motion Demonstrations 

 



 
 

Record Player

Description: Record player with pennies that can be placed at various distances from the center.  Vary the speed of the record player to explore the forces on the pennies. 

Physics principles demonstrated: centripetal force, centripetal acceleration, angular acceleration, angular speed, friction

Location: Demo room 1100

Notes: Works, but is not obvious (to individuals not familiar with record players, perhaps) to use without prior practice.

   Turntable
       
 

Cenco Gyroscope

Description: Large commercial gyroscope with stand and counter balance,  

Physics principles demonstrated: conservation of energy, conservation of angular momentum

Location: Demo room 1100

Notes: Needs lubrication to work better.

   Cenco Gyroscope
       
 

Toy Gyroscopes

Description: Numerous small toy gyroscopes with stands and wind-up strings.  

Physics principles demonstrated: conservation of energy, conservation of angular momentum

Location: Demo room 1100

Notes: Very small, best used in small class setting.  May need lubrication to work better.

   Toy gyroscopes
       
 

Super Stacking Tops

Description: Set of 5 tops and 1 launcher that are meant to be stacked on top of each other as they spin.  Watch this video for a successful demonstration.

Physics principles demonstrated: conservation of angular momentum

Location: Demo room 1100

Notes: Fairly difficult to achieve full stack (my best was a stack of 3).  Practice a lot beforehand.  Very cool if you can do it!

   Spectacular Stacking Tops
       
 

The Vortx

Description: Plastic device to launch coins into spinning motion, tangent to curved surface.  As coins spin into well, their rotational velocity increases.

Physics principles demonstrated: gyroscopic motion, rotational energy, conservation of energy 

Location: Demo room 1100

Notes: Coin not included.

   Vortx
       
 

Euler's Disk

Description: Heavy metal disk that is spun on top of a smooth concave surface. Disk will spin for very long periods of time. Detailed instructions found here (and in box).

Physics principles demonstrated: conservation of energy, conservation of angular momentum

Location: Demo room 1100

Notes: Smooth surface is currently broken, but will be replaced.

   Euler disk
       
 

Flip N Flyer

Description: Disk on an elastic cord that can be swung and and caught by the cord.  Also, can be used similarly to a yo-yo as a solo toy.   Watch this video for ideas on how to use this demo.

Physics principles demonstrated: conservation of angular momentum, gyroscopic forces

Location: Demo room 1100

Notes

   Flip N Flyer
       
 

Rotational Inertia Apparatus

Description: Apparatus that has multiple pulleys and weights to illustrate concepts of rotational motion.  Weights can be placed at various distances from the center.  String can be attached to the pulleys and a mass can be dropped to create a uniform torque at various distances from center.  

Physics principles demonstrated: moment of inertia, torque

Location: Demo room 1100

Notes: Use a weight suspended on a string and attach to apparatus.  Apparatus may be mounted on pole/stand for better use.  See for Arbor Scientific page for video reference.

   Moment of Inertia
       
 

Maxwell's Wheel

Description: Axle-mounted fly-wheel suspended at both ends by a nylon cord.  When the wheel is dropped, gravitational potential energy is converted into kinetic energy.  The jerk, when the wheel reaches the bottom, reverses the linear momentum causing the wheel to wind back up.    

Physics principles demonstrated: conservation of energy, conservation of linear & angular momentum, inertia, torque, nearly elastic collisions

Location: Demo room 1100

Notes

   Maxwells Wheel
       
 

Ring and Disk Set

Description: Steel ring and wooden disk that have the same radius and same mass.  Roll each down an inclined plane to explain how mass distribution affects rotational motion.  

Physics principles demonstrated: moment of inertia, rotational kinetic energy

Location: Demo room 1100

Notes: Inclined plane not included with ring and disk set.

   Disk ring set
       
 

Bicycle Wheel and Turntable

Description: Bicycle wheel can be suspended from attached rope or held by peg.  Student can stand on rotatable platform to experience rotational motion while holding wheel.

Physics principles demonstrated: conservation of angular momentum, precession, torque

Location: Demo room 1100

Notes: Have (small) student stand on platform.  Hold student in place while other student starts wheel spinning.  Let go of (small) student and have them raise the spinning wheel over their head or into different plane.  (Small) student will start rotating on platform to conserve momentum.  Works best with small student so effect is more noticeable.  Larger student can be used for contrast.

   Bike wheel
       
 

Rotating Accelerometer

Description: Thin tank filled with fluid, mounted on rotatable platform.  Liquid forms parabolic surface when spun.  

Physics principles demonstrated: acceleration, centripetal acceleration/force

Location: Demo room 1100

Notes

   Rotating fluid accelerometer
       
 

Swinging Cup

Description: Platform with handle and base that can be swung in a vertical circle.  Place cup filled with water on base to demonstrate effect of centripetal force.  

Physics principles demonstrated: centripetal acceleration/force

Location: Demo room 1100

Notes: Longer string could be added to increase size of circle.

   Swinging cup
       
 

Weighted Meter Stick

Description: Meter stick with weight attached at one end.  

Physics principles demonstrated: moment of inertia, stability, center of mass, torque

Location: Demo room 1100

Notes: Ask students if attaching weight at end will make it easier or more difficult to balance meter stick on finger (weight at far end).  Can be easily explained using moment of inertia conceptual argument (mass farther from axis of rotation increases resistance to rotation).  Can be explained more rigorously by finding center of mass and calculating torque, etc.

   Weighted Meter Stick
       
 

Centrifugal Circle

Description: Wooden circle with cut out piece that can be removed to create semi-circle.  Illustrates that circular track causes ball to travel in circle or tangentially to track, but never radially.

Physics principles demonstrated: centripetal acceleration, radial acceleration, rotational motion, Law of inertia

Location: Demo room 1100

Notes: Needs ball.  Pieces can be difficult to separate (loosen before class!).  

   Centrifugal circle
       
 

Plum bob and Stop Watch

Description: Plum attached to long string can be used to explore pendulums and oscillatory motion.  Use the stop watch to quantify how period of oscillation is affected by various factors (string length, mass of pendulum...)

Physics principles demonstrated: pendulums

Location: Demo room 1100

Notes

   Plum bob
 

Electricity and Magnetism Demonstrations  

 
   
 

Tesla Coil

Description: Table top Tesla coil apparatus that includes two antenna plates, small neon light bulb, mini discharge electrode and lamp socket.

Physics principles demonstrated: high-frequency electrical phenomena, transformers, inductance, capacitance, power transmission

Location: Demo room 1100

Notes: Video of working demo seen here.

   Tesla Coil
       
 

Jacob's Ladder Climbing Arc Apparatus

Description: Pair of long metal electrodes, enclosed in transparent acrylic tube, are connected to a high voltage power source.  When turned on, the potential difference between the electrodes increases until the air between them is ionized and a spark forms.  As the super-heated air rises, the spark climbs up the electrodes.

Physics principles demonstrated: power transmission, dielectric mediums

Location: Demo room 1100

Notes: Apparatus should not be operated for more than a few minutes at a time due to heating.  Detailed info on a similar apparatus can be found here.

   Jacob's Ladder
       
 

Plasma Ball

Description: Clear sphere filled with gas and high-voltage electrode at center that produces "lightning".

Physics principles demonstrated: ionization  

Location: Demo room 1100

Notes: Small, but pretty cool when lights are turned off.

   Plasma ball
       
 

Electroscopes

Description: Numerous types and sizes of standard electroscopes are available in the demo room.  

Physics principles demonstrated: electrostatics

Location: Demo room 1100

NotesAccessories (rabbit fur, silk, glass rods, etc) can be found in "Electrostatics" box.

   Electroscope
       
 

Fun Fly Stick / Electro Wand

Description: Toys that use the principles of electrostatics to levitate mylar strips.    

Physics principles demonstrated: electrostatics

Location: Demo room 1100

Notes: Use cloths from "Electrostatics" box to charge up Electro Wand.  Fun Fly Stick requires batteries.

   Fun Fly Stick
       
 

Electrostatics Kit

Description: Boxes filled with rabbit furs, silk cloths, wool cloths, pith balls, glass rods, PVC rods and all the standard items used to demonstrate charge transfer.  Suggested experiment found here.

Physics principles demonstrated: electrostatics

Location: Demo room 1100

Notes: Use electroscope demo in conjunction with these materials.

   Electrostatics Kit
       
 

Equipotential and Field Gradient Mapper

Description: Electric field of shape drawn by conductive ink pen on high resistivity paper is mapped out using voltmeter.

Physics principles demonstrated: electric field

Location: Demo room 1100

Notes: Pasco manual with suggested experiments found here.  DC power supply and voltmeter required.

   Equipotential and field gradient mapper
       
 

Conducting Spheres and Plates

Description: 1 set of two large hollow metal spheres and 1 set of metal plates to be used to illustrate distribution of charge and/or electric field of conductors.  

Physics principles demonstrated: electrostatics, charge 

Location: Demo room 1100

Note: Voltage supply and multimeter needed to charge metal and measure potential.

   Conducting spheres and plates
       
 

Van de Graaff generators

Description: Multiple Van de Graaff generators, or various sizes, can be found in our demo room.  

Physics principles demonstrated: electrostatics, charge, high voltage

Location: Demo room 1100

Notes: Replacement belt for generator pictured at right: ASIN B00A3EXBHC sold from Scientifics Online

   Van de Graff
       
 

Faraday Ice Pail

Description:  Concentric cylindrical mesh cages used to illustrate charge distribution.  Can also be used as a basic Faraday cage, which shields effects from nearby Van de Graaf generators, for example.  Manual for Faraday ice pail found here.  

Physics principles demonstrated: electrostatics, charge, high voltage

Location: Demo room 1100

Notes: Portable radio included, which looses its signal when placed in the cage.  Electrometer, Van de Graaf generator and other instruments can be used in conjunction with this item for better demonstrations.

   Faraday Cage
       
 

Cathode Ray Tube - Electrostatic Deflection

Description: Cylindrical glass tube with 4 terminals that, when connected to an induction coil or  appropriate power supply, generates a ray of charged particles which can be manipulated with a electric field.

Physics principles demonstrated: charges, electrostatics  

Location: Demo room 1100

Notes: Needs high voltage power supply.  2 of these are available in the demo room.  Short manual included.

   Cathode Ray tube
       
 

Sliding Rheostat

Description: Large variable resistor that can be used in conjunction with other circuit elements.  0-50 Ohms, 1.5A.    

Physics principles demonstrated: circuits, resistors

Location: Demo room 1100

Notes: Other circuit elements or Ohmmeter needed for this to be interesting.

   Rheostat
       
 

Air Core Solenoid Set

Description:  Outer solenoid with hollow center that can be filled with secondary coil and/or plastic rod.  

Physics principles demonstrated: induction,  electric/magnetic fields

Location: Demo room 1100

Notes: Pasco manual found here (this set may not actually be Pasco brand).  Power supply or other accessories needed for most demonstrations.

   Air core solenoid
       
 

Electric Induction Coil

Description:  Induction coil produces pulses of high voltage current from a low voltage direct current power source.   

Physics principles demonstrated: induction,  electric/magnetic fields

Location: Demo room 1100

Notes: Can be used in conjunction with cathode ray tube or radiometer.    

   Electric Induction Coil
       
 

Transformer Coils Set

Description: Set of various turn coils and U-shaped core. 

Physics principles demonstrated: induction 

Location: Demo room 1100

Notes: Pasco manual with four suggested experiments can be found here.  You may need other accessories such as a galvanometer, bar magnet and power supply.

   Transformers
       
 

Conductivity of Solutions

Description: Glass container with PVC cover, mounted with lamp socket and two binding posts for connection wires.  Two electrodes are connected to the binding posts and can be emerged in the desired fluid.      

Physics principles demonstrated: circuits, resistors

Location: Demo room 1100

Notes: Solution and 3V DC power supply not included.  

   Conductivity of Solutions
       
 

Random Oscillating Magnetic Pendulum

Description: 9 neodymium magnets are placed, however you wish, below a magnetic pendulum.  The pendulum erratically drifts through the energy field below. 

Physics principles demonstrated: magnetic force, pendulums, chaos, random motion

Location: Demo room 1100

Notes

   Magnetic Pendulum
       
 

Hand-driven Motor/Generator 

Description: Hand cranked pulley is coupled to a small dynamo pulley by rubber belt to give a step-up ratio.  Turning the pulley generates current via commutator.  Ammeter can be connected to output to quantify production of current. 

Physics principles demonstrated: electric motors,  generators

Location: Demo room 1100

Notes: Not currently functional; needs new belt.

   Manual generator
       
 

Super Strong Electromagnet

Description: Small electromagnet capable of lifting up to 200 lbs in weight.  Constructed from sturdy steel core, hefty eye-bolt and attached battery holder.  Ropes included to attach electromagnet as desired.  Instruction manual included.

Physics principles demonstrated: electromagnets, circuits, forces

Location: Demo room 1100

Notes: Needs 1 D-cell battery to operate.

   Super strong electromagnet
       
 

Mini DC Motor 

Description: Small battery operated electric motor.  Instruction manual included.

Physics principles demonstrated: electric motors,  generators

Location: Demo room 1100

Notes: Needs battery to operate.

   Mini DC motor
       
 

Magnetic Field in a Current Carrying Wire

Description: Set of 3 plastic liquid-filled devices used to demonstrate the magnetic field of a current carrying wire in different configurations. 

Physics principles demonstrated: electromagnetic fields, circuits

Location: Demo room 1100

Notes: Requires a 12-18V DC power supply.

   Magnetic field from electromagnet
       
 

Visible Magnetic Field 

Description: Numerous variations on visualizing the magnetic field using tiny compasses and iron filings in 2D and 3D.

Physics principles demonstrated: magnetic field lines

Location: Demo room 1100

Notes: Magnets can be found in the "Miscellaneous Magnets" box.

   Magnetic Field Demos
       
   

3-D Magnetic Field Demonstrator

Description: Iron filings suspended in fluid, encased in acrylic block.   Insert bar magnet(s) in various configurations to demonstrate field lines in 3-D. 

Physics principles demonstrated: magnetism  

Location: Grace's office 50/2816

Notes: 1 bar magnet included.  Others can be used to in combination with nonmagnetic spacer to create various fields.  

  Magnetic field demonstrator
       
 

Magnetic Dip Needle and Compass 

Description: Very large demonstration dip needle to show inclination of earth's magnetic field.  Use needle as a compass to find the direction of the horizontal component of the earth's field.  Then orient dip needle vertically so that it lies in the north-south plane.

Physics principles demonstrated: magnetic fields 

Location: Demo room 1100

Notes

   Large compass
       
 

Magnetizer

Description: Can be used as a demonstration itself, or to remagnetize old magnets for use in other demonstrations.  

Physics principles demonstrated: magnetism 

Location: Demo room 1100

Notes: Insert bar or magnet into each cavity and press the button.  3 keeper bar magnets are included to remagnetize magnets that are too large to fit in the cavity.  

   Magnetizer
       
 

Ring Launcher

Description: AC powered coil that creates magnetic field when momentarily turned on.  Place any of the accessory objects (metallic rings, split ring, light bulb) on the launcher and watch the effect when the launcher is pulsed on.

Physics principles demonstrated: electromagnetic fields, induction, Lenz's Law

Location: Demo room 1100

Notes: Rings are launched fairly high.  Try not to hit anyone (especially yourself).

   Ring Launcher
       
 

Magnetic Braking Demonstration System

Description: Variable gap magnet with induction paddles, current swing, mounting rod and 2 small rods.  The metallic swinging paddles will come to a stop when traveling through the magnetic field.  Details and manual found here.

Physics principles demonstratedelectromagnetic fields, induction, Lenz's Law, paramagnetism, diamagnetism

Location: Demo room 1100

Notes: Power supply needed if you want to use current-carrying wire swing (not necessary for other parts of demo).

   Magnetic Braking
       
 

Magnetic Force Accelerator

Description: A uniform magnetic field is produced along the edges of this apparatus by permanent magnets.  A 12 V DC power supply can be connected across the apparatus, which will cause the metal tubing laying on top of the apparatus to accelerate off the end of the plane.  Illustrates right hand rule.

Physics principles demonstratedmagnetic force, right hand rule, induction

Location: Demo room 1100

Notes: Requires 12VDC, 15A power supply and connecting leads.

   Magnetic Force Accelerator
       
 

Magnetic Accelerator 

Description: Slightly inclined track with 4 steel balls and 1 magnetic ball.  Place 3 steel balls at the middle of the track and release the steel ball from the top.  The last steel ball will be ejected and rise a little up the ramp (like the Newton's Cradle demo).  Repeat the experiment with the magnetic ball and note (extreme) differences.  Instructions and explanation found here.

Physics principles demonstratedmagnetic force, conservation of energy, conservation of momentum

Location: Demo room 1100

Notes

   Magnetic Force Inclined Plane
       
       
       
 

Optics and Wave Phenomena Demonstrations

 

 

   
 

Disappearing Beaker

Description: Small glass beaker emerged in corn syrup in larger container.  The portion of the beaker emerged in the corn syrup seems to be invisible due to the matching of indices of refraction between the glass beaker and corn syrup.

Physics principles demonstrated: refraction, index of refraction

Location: Demo room 1100

Notes: Fairly small, best used in a small class setting.

   Disappearing beaker
       
 

Phantom Crystals

Description: Carbon based polymers that absorb up to 300x their weight in water.  When fully bloated, the crystals seem to disappear in water because their index of refraction is so close to that of water.  Detailed information can be found here.

Physics principles demonstrated: refraction, index of refraction

Location: Demo room 1100

NotesFairly small, best used in a small class setting. Suspend crystal on paperclip and emerge in beaker of water.  Ask students if they think there could be anything in the beaker other than the paperclip.  Discuss what index of refraction really means.

   Phantom Crystals
       
 

The Light Crystal

Description: Bevel cut plastic prism that separates regular sunlight into rainbow.

Physics principles demonstrated: dispersion, refraction, light-color theory

Location: Demo room 1100

NotesFairly small, best used in a small class setting.

   The Light Crystal
       
 

Thin Slit Diffraction

Description: HeNe laser mounted on horizontal track.  Various diffraction magnetic mounted gratings can be placed on track and diffraction pattern can be displayed on projection screen.  

Physics principles demonstrated: diffraction

Location: Demo room 1100

Notes: Circular apertures, Holographic Diffraction grating, double slit (various spacing and widths), multiple slits (common widths and spacing), Fresnel zone plates, single slits (various widths) magnetically mounted grating should be found on or near laser set-up.

   Diffraction
       
 

Blackboard Optics Kit and Light Source

Description: Large set of flat and curved prisms that can be magnetically attached to chalk/whiteboard.  Many different accessories available in box.  Light source can produce numerous parallel white light beams.

Physics principles demonstrated: basic optics principles

Location: Demo room 1100

Notes: Light source requires DC power supply.

   Blackboard Optics KitBlackboard optics Light Source
       
 

Magnifying Lenses

Description: Multiple magnifying lenses of various shapes/sizes; mostly from a deconstructed overhead projector.

Physics principles demonstrated: basic optics principles

Location: Demo room 1100

Notes

   Magnifying lenses
       
 

LED array

DescriptionSet of colored LED lights in vertical array with labeled colors and wavelengths.

Physics principles demonstrated: electromagnetic spectrum, light, LEDs

Location: Demo room 1100

Notes

   LED color display
       
 

Newton's Color Wheel

Description: Set of plastic color wheels that are spun at high speed to produce various colors.

Physics principles demonstrated: color mixing

Location: Demo room 1100

Notes: Requires motorized Demonstration Spinner.  Demonstration video found here.

   Newton's Color Wheel
       
 

IR Lamp

Description: Large lamp with infrared bulb. 

Physics principles demonstrated: electromagnetic spectrum, energy, heat

Location: Demo room 1100

Notes: Gets hot quick; limit use.

   IR lamp
       
 

Geometric Optics Experiment

Description: Hollow transparent tank, backed by a unit circle, with attached movable laser can be filled with water (or other fluid) to demonstrate Snell's Law and total internal reflection.

Physics principles demonstrated: reflection, refraction, index of refraction, Snell's Law, total internal reflection

Location: Demo room 1100

Notes: Laser needs battery.

   Geometric optics water tank
       
 

Laser Optical Disc Set

Description: Complete set consists of laser that can project 1, 3, or 5 parallel beams, various geometric prisms, mounting device for prisms, plane and curved mirrors, magnetic unit circle, and suggested activities booklet.

Physics principles demonstrated: reflection, refraction, diffraction, Snell's Law

Location: Demo room 1100

Notes: Laser is simply plugged in and turns on quickly.  Length of power cord is very short and should be lengthened by an extension cord (not included) for class activities.

   Complete optics box
       
 

Newton's Rings Display

Description: Two glass disks are pressed against each other by a 3-screw mechanical mount.  Interference patterns can be seen and modified by adjusting the screws.

Physics principles demonstrated: reflection, refraction, thin film interference

Location: Demo room 1100

NotesFairly small, best used in a small class setting. 

   Thin film interference fringes
       
 

Polarizers

Description: Two large polarizers that can be rotated relative to one another to show properties of light.

Physics principles demonstrated: polarization

Location: Demo room 1100

Notes: Many other smaller polarizers can be found in same location as these large polarizers.  An overhead projector (also found in demo room) can be used in combination with these polarizers to display the effect on a larger scale.

   Polarizers
       
 

Double Concave Mirror Illusion

Description: 2 concave mirrors, one with a hole at the center, are put together and a small object is placed inside at the center of the bottom mirror.  An image of the object forms at the outside of the top mirror. 

Physics principles demonstrated: real or imaginary images, mirrors

Location: Demo room 1100

Notes

   Concave Mirror Illusion
       
 

Large Concave/Convex Mirrors

Description: 1 large convex mirror and 1 large concave mirror 

Physics principles demonstrated: reflection, radius of curvature, real or imaginary images

Location: Demo room 1100

Notes: More than 1 set of these available in demo room.

   Concave/Convex mirrors
       
 

Transverse and Longitudinal Wave Display

Description: A number of eccentric disks supporting a series of metal rods are revolved by a hand crank.  A transverse wave is formed by the up-down movement of the vertical rods.  A longitudinal wave is formed by compression of the horizontal rods .  Both wave types can be seen at the same time and compared simultaneously.

Physics principles demonstrated: wave propagation

Location: Demo room 1100

Notes

   Longitudinal-Transverse Waves
       
 

Ripple Tank (Pasco)

Description: Shallow glass tank that is filled with water to demonstrate wave principles.  The surface is vibrated by an oscillator and illuminated by a white light source.  Waves are projected onto large screen for easy viewing.  Detailed information found here.  

Physics principles demonstrated: wave propagation, reflection, refraction, interference, diffraction, Doppler Effect

Location: Demo room 1100

NotesNot currently functional; missing pieces.  

   Ripple tank (Pasco)
       
 

Ripple Tank (Homemade)

Description: Shallow plastic tank that is filled with water to demonstrate wave principles.  The surface is vibrated by an oscillator and wave patterns can be viewed from above.   

Physics principles demonstrated: wave propagation, reflection, refraction, interference, diffraction, Doppler Effect

Location: Demo room 1100

NotesNot currently functional.  

   Ripple tank (homemade)
       
 

Doppler Rocket

Description: Plastic device that is emits a loud noise when turned on.  Can be swung in various ways to explore how the noise changes as the rocket is moving away or closer to observer.  Instructions and experiment ideas included in box.

Physics principles demonstrated: Doppler effect, sound

Location: Demo room 1100

Notes: 9V battery required.

   Doppler Rocket
       
 

String Vibrator (Pasco)

Description: Mechanical apparatus to vibrate an elastic cord to create standing wave patterns.  See this site for full information.

Physics principles demonstrated: reflection, interference, wave harmonics

Location: Demo room 1100

Notes: Requires signal and AC power source (not included).

   String Vibrator
       
 

Open speaker

Description: Speaker not enclosed in speaker cabinet to explore wave phenomena, especially resonance.  Aluminum bracket holds speaker perpendicular to table and two standard banana plugs provide input connection.  Can be used in conjunction with resonance tubes to study resonance in an air column.  Manual and suggested activities found here

Physics principles demonstrated: frequency, amplitude, resonance, other wave properties

Location: Demo room 1100

Notes: Requires function generator and/or power source.

   Open Speaker
       
 

Sympathetic Tuning Fork Set

Description: 2 large identical tuning forks mounted on wooden resonating boxes with mallet.  One tuning fork can be adjusted to resonate at a different frequency.  Beats can be produced between the two forks.  Instructions and videos found here.

Physics principles demonstrated: frequency, resonance

Location: Demo room 1100

Notes: Stored in black, vinyl case.

   Resonating Tuning Forks
       
 

Tuning Fork Set

Description: Set of 8 calibrated tuning forks and mallet.  

Physics principles demonstrated: frequency, resonance

Location: Demo room 1100

Notes: Stored in black, vinyl case.

   Tuning Fork Set
       
 

Chladni Plates

Description: Square and circular surfaces that are connected to a mechanical oscillator.  Sand (or salt) is sprinkled on the plate and collects along the nodal lines of the wave patterns produced my the oscillator.  Manual found here.

Physics principles demonstrated: frequency, resonance

Location: Demo room 1100

Notes: Function generator needed to connect to mechanical oscillator (not included).

   Chladani Plates
       
 

Guitar

Description: Small toy guitar.  

Physics principles demonstrated: frequency, resonance, sound waves

Location: Demo room 1100

Notes: At least one string (B string) broken.

   Guitar
       
 

Organ Pipe

Description: Large wooden organ pipe with variable length.  Blow into the pipe with and without the stopper to compare the pitch.    

Physics principles demonstrated: frequency, resonance, standing waves in open/closed system

Location: Demo room 1100

Notes

   Organ Flute
       
 

Resonance Air Column with Speaker 

Description: Plastic tube with mini speaker and movable piston.  Manual and suggested experiments found here.

Physics principles demonstrated: frequency, resonance, standing waves in open/closed system

Location: Demo room 1100

Notes: Requires signal generator (not included) to drive the mini-speaker.

   Resonating Sound Tube
       
 

Resonance Wire Loop 

Description: Wire loop that is vibrated by mechanical oscillator and illustrates circular resonance modes.  Manual and suggested experiments found here.

Physics principles demonstrated: resonance, standing waves, Bohr's quantum atom (classical model)

Location: Demo room 1100

Notes: Mechanical driver can be found with Chladni Plates demo.  Function generator is needed to operate mechanical driver.

   Resonating Wire
       
 

Fluids and Thermodynamics Demonstrations

 

   
 

Molecular Motion Model

Description: Tiny steel balls inside thin plastic vessel simulate molecules of a gas.  Heat is simulated by vibrations produced by external source.  As the balls are vibrated, they eventually provide enough pressure on the top of the vessel to open.   

Physics principles demonstrated temperature, pressure, volume, Maxwell's kinetic theory of gases 

Location: Demo room 1100

NotesMechanical wave driver and function generator necessary (not included).  Instructions and manual found here.

   Molecular Motion
       
 

The Mechanical Equivalent of Heat

Description: Hand cranked apparatus with embedded thermistor to quantify the heat generated by work done to support a mass.   

Physics principles demonstrated work, temperature, friction 

Location: Demo room 1100

NotesNeeds nylon rope and object to hang from apparatus.  Detailed instructions found here.

   Mechanical Equivalent of heat
       
 

Hero's Engine

Description: Consists of a water filled glass flask with 2 opposing nozzles, suspended from a support rod.  Heat up the flask and the steam will cause the system to rotate.

Physics principles demonstrated work, temperature, steam turbines, Newton's 3rd law

Location: Demo room 1100

Notes: You must supply heat source and stand.  Instructions included.

   Hero's Engine
       
 

Thermal Expansion Rods

Description: Device that can accurately measure small changes in length due to thermal expansion.  Comes with set of 4 rods (steel, aluminum, brass, and copper) and sensitive micrometer.      

Physics principles demonstrated: thermal expansion, heat transfer

Location: Demo room 1100

NotesYou need to provide method of heating rods (hot water).

   Thermal expansion
       
 

Miscellaneous Thermal Expansion Demonstrators

Description: Devices that illustrate how materials expand or contract when heated or cooled.      

Physics principles demonstrated: thermal expansion, heat transfer

Location: Demo room 1100

NotesYou need to provide method of heating or cooling.

   Thermal Expansion sets
       
 

Transon - A New Polymer

Description: Sheet of polymer material with 2 circles cut out.  Heat the circles and predict if they will still fit in the holes afterward.  

Physics principles demonstrated: thermal expansion, heat transfer

Location: Demo room 1100

NotesYou need to provide method of heating.

   Transon Polymer
       
 

Melting Blocks

Description: 2 seemingly identical tiles with O-rings.  Place an ice cube on each and put the O-ring around it (to contain the water).  Watch and wait for the ice to melt.  One tile is actually made of a styrofoam-like material that will prevent the ice from melting as quickly as the other tile.    

Physics principles demonstrated: heat transfer, thermal insulators vs. conductors

Location: Demo room 1100

Notes: Bring your own ice.

   Melting Blocks
       
 

Heat Absorption and Radiation Comparator

Description: Heat source (light bulb) placed between 2 parabolic metal bodies, one shiny metal and one matte black.  The two bodies have thermometer holders attached for temperature readings.    

Physics principles demonstrated: heat transfer, black bodies

Location: Demo room 1100

NotesThermometers not included.  Needs power source.

   Convection Radiation Demo
       
 

Convection and Ventilation Box

Description: Rectangular box with transparent side and plastic chimney tubes.  Place a lit candle inside the box, under one chimney.  Ignite smoke paper and hold outside box, near other chimney.  Watch as smoke is pulled into and out of the box.  Remove corks on sides of box to experiment with air flow.  Suggested procedure found here.

Physics principles demonstrated: heat flow, air pressure, air flow, density of air

Location: Demo room 1100

Notes: Smoke is produced during this demo, so only perform this in a well-ventilated space.

   Convection Airflow box
       
 

Candle in a Jar

Description: Light a candle in shallow pool of water.  Place a glass jar on top of the candle and watch the water rise as the candle burns out.

Physics principles demonstrated: air pressure, density of air, ideal gas law

Location: Demo room 1100

Notes: Use a pie plate or other shallow receptacle in conjunction with these jars.

   Candle Jar
       
 

Radiometer

Description: Clear glass bulb with 2 sets of black/yellow vanes in near perfect vacuum.  When exposed to electromagnetic radiation, the vanes will spin.

Physics principles demonstrated: black-body absorption/radiation, heat engine

Location: Demo room 1100

Notes

   Radiometer
       
 

Pneumatics Discovery Kit

Description: Complete set of syringes, tubes, valves and other materials to explore hydraulic principles by building models.  Teacher's guide included.  

Physics principles demonstrated: air pressure and other pneumatic principles

Location: Demo room 1100

Notes: Never been opened kit as of 12/2016.

   Pneumatic Set
       
 

Air/Water Rockets

Description: Various air/water rockets with tubing and pumps.

Physics principles demonstrated: air pressure, fluid dynamics

Location: Demo room 1100

Notes: Assembly required.

   Air Water Rocket
       
 

Vacuum Jar

Description: Glass jar and base with fittings that connect to a vacuum pump.

Physics principles demonstrated: atmospheric pressure  

Location: Demo room 1100

Notes: Vacuum pump needed.

   Vacuum jar
       
 

Magdeburg Plates

Description: Set of two plastic disks with handles separated by an O-ring.  A syringe is used to create a partial vacuum between the plates.  Ask students to try to separate plates.

Physics principles demonstrated: atmospheric pressure 

Location: Demo room 1100

Notes: Instruction manual and accessories included.

   Magdeburg Plate
       
 

Venturi Tube with Manometer

Description: Vertical 3 tube system attached to horizontal tube with varying radius.  When a fluid is placed in the manometer (3 tube system) and air flows through the Venturi tube (varying radius tube) the air pressure varies between the 3 tubes, causing the fluid to rise to varying levels.

Physics principles demonstrated: Bernoulli effect, air pressure, air flow, 

Location: Demo room 1100

Notes: You must supply the air flow.

   Venturi Meter
       
 

Force of Cohesion

Description: Set of two very smooth metallic disks with handles.  Place a drop or 2 of water on the face of one plate and bring the plates together.  Ask students to try to separate plates.

Physics principles demonstrated: surface tension, electric force, molecular bonds

Location: Demo room 1100

Notes: Please return plates to protective plastic for storage!

   Force of Cohesion
       
 

Surface Tension Demonstrator (Giant Bubble Maker)

Description: Very large PVC frame to make huge soap bubbles.  Instructions included with apparatus in box.

Physics principles demonstrated: surface tension

Location: Demo room 1100

Notes: Soapy water not included.  Assembly required!  

   Surface tension
       
 

The Amazing Windbag - One Breath Bernoulli Bag

Description: Inflate entire large bag with just one breath by breathing into the bag from a ~1/2 ft distance.  

Physics principles demonstrated: properties of air molecules, Bernoulli Effect, air pressure

Location: Demo room 1100

NotesDetailed instructions included in bag set.

   Wind bag
 

Modern Physics

 

   
 

Spectral Discharge Tubes

Description:  Kit of various gas discharge tubes and one lamp.  

Physics principles demonstrated: Atomic structure, photon energy 

Location: Demo room 1100

Notes: Various forms of viewing films are found near the kit.

   Spectral tube
       
 

Digital Geiger Counter

Description:  Quantify the amount of radioactive activity near you with this digital Geiger counter.  Power supply, output cables and instructions included in box.

Physics principles demonstrated: radioactive decay

Location: Demo room 1100

Notes

   Geiger counter
       
 

Personal Dosimeter

Description:  Clip-on x-ray and gamma ray radiation meter.

Physics principles demonstrated: radioactive decay

Location: Demo room 1100

Notes: 2 available in demo room.

   Dosimeter

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