Designation |
Topic |
Name |
Description |
Materials |
Photo |
---|---|---|---|---|---|
Atoms-01 |
Atoms |
Homeopathy |
Make a homeopathic sleeping drug. Put one drop Coke in first gallon. Mix well ('succuss'). Put one drop in 2nd gallon. Mix well. Put one drop in third gallon. Mix well. Pour into cup. |
3 gallon jugs clean water 3 eye-droppers Colored liquid (eg: Coke) Clear plastic cup |
|
Density-01 |
Density |
Density |
Weigh the items to show they have the same weight. |
3 equal weight but different density masses. 0.5 kg Fe, Al and wood Display (round) spring scale. |
Designation |
Topic |
Name |
Description |
Materials |
Photo |
Pressure-01 |
Static Pressure |
Egg Stand |
Fill beakers with sand. Shake to pack the sand. Place eggs in them pointed end down with half the egg buried. Make sure the eggs don't shift. |
3 plastic beakers Blue triangular wooden plate Sand 4 eggs (raw) Paper towels, broom, and dustpan Beaker to break an egg into (prove it's raw). |
|
Pressure-02 |
Static Pressure |
Seat of Nails |
Sit on it. Get volunteer. Bring out the Starter Seat and ask them to start with just one nail. Watch reactions! |
Seat of Nails 1-Nail Seat of Nails |
|
Pressure-03 |
Pressure |
Equal Height Tubes |
Pour liquid into tubes. All liquid levels are at the same height since all have the same pressure at the base of the tube. |
Equal Height Tubes Dark food coloring |
|
Pressure-04 |
Pressure |
Pascal's Tube |
Put in colored water. |
Pascal's pressure tube Dark water to fill it with |
|
Pressure-05 |
Pressure |
Drop Holey Cup |
Puncture a Styrofoam cup and the water will drain out. |
3 Styrofoam cups or predrilled plastic cup Water Bucket Pen to puncture the cup |
Designation | Topic | Name | Description | Materials | Photo |
---|---|---|---|---|---|
Density-01 |
Density |
Density |
Weigh the items to show they have the same weight. |
3 equal weight but different density masses. 0.5 kg Fe, Al and wood Display (round) spring scale. |
|
Buoyancy-01 |
Buoyancy |
Float/Sink |
What floats? What sinks? |
Water tank Different materials |
|
Buoyancy-02 |
Buoyancy |
Buoyancy Force |
Weigh the masses in the air. |
Small aquarium tank with at least 6" of water Round visible spring scale Masses of different materials (from demo #2) |
|
Buoyancy-03 |
Buoyancy |
Sink or Float |
Ask class whether Al foil sinks or floats. If they choose sinks, make a boat and float it. If they choose floats, place a sheet under water and watch it sink. Note: Crumpled Al foil floats! |
Water tank Aluminum foil |
|
Buoyancy-04 |
Buoyancy |
Finger in Beaker |
Put beaker of water on pan balance. Balance it. |
Pan balance Beaker of water Weights to balance Small sinker and floater weights |
|
Buoyancy-05 |
Buoyancy |
Boat and Rock |
Place weight in bottle (the boat) in the water so it floats. |
Small aquarium tank half-filled with water Tape to mark water level Cut-out soda bottle (2-liter!!!) with screw-top 1.5kg of 100g or 250g masses |
|
Buoyancy-06 |
Surface Tension |
Paper Clip Float |
Place the dish of water on the overhead projector or display it with a video camera. Bend one paper clip into an L shape and use it to gently lower the second paper clip onto the surface of the water. Then add a drop of soap to the water to decrease the surface tension and watch the paper clip sink abruptly. |
Paper clips (2 minimum) Soap Petri dish of H2O |
|
Buoyancy-07 |
Compression |
Squiddy |
Place squiddy in cup of water. Adjust buoyancy by squeezing to let water in until barely bouyant. |
Squiddy Cup of water Sealable soda bottle w/water |
|
Buoyancy-08 Added 3/14 |
Buoyancy |
Battleship in Bathtub |
Ask the class whether the large block of wood can float in water weighing much less than the block. Pour water into the container and and place the block into the container. |
Large piece of pressure treated wood Clear acrylic container approximately the same dimensions as the block of wood |
|
Buoyancy-09 Added 3/14 |
Capillary Action |
Capillary Action |
Four glass tubes of different diameter are connected at the base. The height of the water in each tube is determined by the effects of surface tension. The water is spiked with food coloring to enhance its visibility. |
Capillary Tubes Water Food coloring Portable Elmo camera |
Designation |
Topic |
Name |
Description |
Materials |
Photo |
---|---|---|---|---|---|
Air Pressure-01 |
Atmospheric Pressure |
Vacuum to Table |
Connect the vacuum pump to the valve. Lay on table or connect two of together. |
Flat Magdeburg spheres Vacuum pump |
|
Air Pressure-02 |
Atmospheric Pressure |
Break Ruler w/ Newspaper |
Place fibreboard so about 4" sticks over end of table. Place newspaper over fibreboard. Smooth the paper over the board. Hit exposed end of board hard! PRACTICE |
1/8"x3/4"x24" fibreboard Newspaper |
|
Air Pressure-03 |
Atmospheric Pressure |
Magdeburg Spheres |
Connect the vacuum pump to the sphere. |
Magdeburg spheres Vacuum pump |
|
Air Pressure-04 |
Atmospheric Pressure |
Soda Can Crush |
Put about 1 oz of water in soda can and jam cardboard square under the pull tab to cover the hole. Ignite propane torch. Crunch! |
Empty soda cans Large container of water Tongs Propane torch Ignitor Small cardboard square |
|
Air Pressure-05 |
Atmospheric Pressure |
Vacuum Cannon |
Cover bottom end of vacuum cannon with Al foil and secure it with the hose clamp. |
Vacuum cannon Vacuum pump Heavy duty Al foil Ping pong ball Screw driver |
|
Air Pressure-06 |
Atmospheric Pressure |
Reverse Balloon Inflate 1 |
Slightly blow up a balloon and tie off. |
Reverse balloon inflator |
|
Air Pressure-07 |
Atmospheric Pressure |
Reverse Balloon Inflate 2 |
Place small balloon in bell jar. |
Small balloon Vacuum pump Bell jar |
|
Air Pressure-08 |
Atmospheric Pressure |
Cup of Water w/ Cardboard Lid |
Fill cup with water. Place cardboard over top. Invert over top the bucket. Air pressure holds the cardboard in place. |
Cup of water with even rim 3-4" cardboard square Bucket |
|
Air Pressure-09 |
Atmospheric Pressure |
Holey Cup w/ Lid |
Cover hole. Fill cup with water. Place cardboard over top. Invert over top the bucket. Air pressure holds the cardboard in place. Remove finger from over hole and air pressure fails. |
Solid clear plastic cup with even rim and 1/4" hole on the side near the base 3-4" cardboard square Bucket |
|
Air Pressure-10 |
Atmospheric Pressure |
Glug Glug |
Pour water from bottle. It goes glug glug. Air pressure keeps the water from pouring in a steady stream. |
Full water bottle (narrow neck) Bucket |
|
Air Pressure-11 |
Air Pressure |
Tornado Tube 1 |
Water does not easily go from top bottle to bottom unless you give it a swirl to start a vortex. |
Two soda bottles Tornado tube coupling Water |
|
Air Pressure-12 |
Air Pressure |
Tornado Tube 2 |
Water does not go from top bottle to bottom unless you give it a swirl to start a vortex. |
Two water cooler bottles Tornado tube coupling Water |
|
Air Pressure-13 |
Air Pressure |
Hero's Fountain (Small) |
Fill one bottle half full of colored water. Connect the bottles with the coupling. Turn the bottles over. |
Two 2-liter bottles Fountain coupling Food coloring Water |
|
Air Pressure-14 Coming Soon |
Air Pressure |
Hero's Fountain (Large) |
Designation |
Topic |
Name |
Description |
Materials |
Photo |
---|---|---|---|---|---|
Air Flow-01 |
Bernoulli |
Alligator Eyeballs |
Place two small balls in eyecups. |
Alligator eyeballs |
|
Air Flow-02 |
Bernoulli |
Funnel and Ping Pong Balls |
Attach tube to narrow end of funnel. Hold funnel upside down. Hold ball inside inverted funnel. Blow hard through tube to keep the ball in the funnel. |
Small funne Long tube Ping Pong ball |
|
Air Flow-03 |
Bernoulli |
Straw, Spool, Pin, and Card |
Place the straight pin through the center of the index card. Put the short end through the center of the thread spool (so the end is flush or slightly recessed). |
Bendy straw Thread spool Straight pin Index card |
|
Air Flow-04 |
Bernoulli |
Bottle Mouth and Ping Pong Ball |
Place the ping pong ball in the bottle top. |
Cut off the top 2in of a plastic drink Bottle Ping Pong ball |
|
Air Flow-05 |
Bernoulli |
Bernoulli Car |
Wind up car. Turn on. (Ping pong ball will NOT work.) |
Bernoulli car Small Styrofoam ball |
|
Air Flow-06 |
Bernoulli |
Blower and Ball |
Turn on blower. |
Air track blower Hose with contriction or nozzle Small and/or Medium Styrofoam ball Ping Pong ball |
|
Air Flow-07 |
Bernoulli |
Blow Over Paper Sheet |
Hold one end of a sheet of paper in front of and below your mouth. |
Paper sheet |
|
Air Flow-08 |
Bernoulli |
Blow Between Objects |
Bblow between the balls. |
Two basketballs suspended by 2 strings Blower |
|
Air Flow-09 Coming Soon |
Bernoulli |
Blow Over Airfoils |
Blow over flat and airfoil shaped pieces of Al. |
Blower Various Al airfoils |
|
Air Flow-10 |
Bernoulli |
Bernoulli Bags |
Get two students Ask them each to inflate a bag. |
Bernoulli bags (tie off one end on each) |
|
Air Flow-11 |
Magnus Effect |
Curve Balls |
Place a ball near one end of the thrower. Throw it like in Jai Alai. Watch it curve. |
Curve ball thrower Medium Styrofoam balls |
|
Air Flow-12 |
Bernoulli |
Coanda Effect |
Place the leaf blower on the ground and turn on. Carefully position the ball in the air stream. Angle the leaf blower and the ball stays. As the leaf blower is turned off the ball will slowly lower towards the blower. |
Small beach ball Leaf blower |
|
Air Flow-13 | Air Flor | Air Cannon | Smack the back of the air cannon to produce burst of air. | Air cannon | |
Air Flow-14 |
Vortex Rings |
Smoke Rings |
Fill air cannon with fog-in-a-can. Smack the back of the air cannon. |
Air cannon Fog-in-a-can |