Lecture Demonstrations Laboratory

Demo Request History

Getting info for CourseID: 5102

PHYS 1050 001: How Things Work

• Skateboards, and some full & empty cans of soda to show their difference in mass by blowing on them.

•  video  - Tablecloth Pull
•  video  - Bottle and Pencil
• Razor Scooter
•  video  - Hovercraft

• 1. Hoop, pencil, and Coke-bottle trick 2. Hovercraft 3. Razor scooter 4. Some full and empty cans of soda (to show their difference in mass by blowing on them) 1. Two Baseballs 2. A bouncy ball 3. A tennis ball 4. The red bowling ball 5. A basketball 6. A golf ball

• Ball Collection
  ( -Two Baseballs,bouncy ball,tennis ball,red bowling ball,basket ball and a golf ball)

• 1. Two Baseballs 2. The red bowling ball 3. A basketball 4. Two Pasco Carts 5. Two green spring scales 6. Some of the big wooden blocks (a variety for my ramp) 6. Two spring scales (two different force ranges)

• Demonstrations for Ramps: 1. One Baseball 2. The red bowling ball 3. One green spring scale 4. One each of the various-height big wooden blocks 5. Two spring scales (two different force ranges) A. My wooden ramp (leftover from Wednesday) B. My toy wagon (leftover from Wednesday) C. My water balloons (also leftover... I have more if they popped) D. My smashable objects (the ancient keyboard and mouse) Demonstrations for Seesaws: 1. Mini-Me on a good pivot, so that it rotates smoothly and nearly without friction 2. Basketball (to spin on the table) 3. 1-meter and 2-meter sticks (they're probably already in the room)

• Demonstrations for Ramps: 1. The red bowling ball A. My wooden ramp (leftover from Friday) B. My toy wagon (leftover from Friday) Demonstrations for Seesaws: 1. Mini-Me on a good pivot, so that it rotates smoothly and nearly without friction 2. Basketball (to spin on the table) 3. 1-meter and 2-meter sticks (they're probably already in the room) 4. Moment-of-inertia sticks E. My wobble ball F. My seesaw

• Demonstrations for Seesaws: 1. Mini-Me on a good pivot, so that it rotates smoothly and nearly without friction 2. Basketball (to spin on the table) 3. 1-meter and 2-meter sticks (they're probably already in the room) 4. Moment-of-inertia sticks A. My wobble ball B. My seesaw Demonstrations for Wheels: 1. Two spring scales with different newton ranges. 2. One 5-kg weight (or close to that) 3. 3 similar rods (as rollers for my wheel-less wagon) 4. Baseball (for demonstrating energy) 5. Mixed nuts (snake in the can toy) 6. Two strong magnets (probably broken already) to jump at one another 7. ~70V Batteries to charge my huge capacitor (the usual voltage) 8. Bowling ball pendulum Thanks, Lou ******************* Note for my own records -- I will bring up: A. My toy wagons (with and without wheels) B. Roller bearings C. My huge capacitor D. My Bow-and-Arrow Fire Starter E. My collection of dice in a dish

• Demonstrations for Wheels: 1. Two spring scales with different newton ranges. 2. One 5-kg weight (or close to that) 3. 3 similar rods (as rollers for my wheel-less wagon) 4. Baseball (for demonstrating energy) 5. Mixed nuts (snake in the can toy) 6. Two strong magnets (probably broken already) to jump at one another 7. ~70V Batteries to charge my huge capacitor (the usual voltage) 8. Bowling ball pendulum A. My toy wagons (with and without wheels) B. Roller bearings C. My huge capacitor Demonstrations for Bumper Cars: 9. Two Pasco Carts 10. Executive toy 11. The two baseball hammers, wood, and a nail 12. Swivel Chair Thanks, Lou ******************* Note for my own records -- I will bring up: A. My toy wagons (with and without wheels) B. Roller bearings C. My huge capacitor D. My collection of dice in a dish E. My little air hockey table

• Demonstrations for Bumper Cars: 1. Two Pasco Carts 2. Executive toy 3. The two baseball hammers, wood, and a nail 4. Swivel Chair 5. Bicycle Wheel Demonstrations for Spring Scales: 6. Green Spring Scale 7. Hanging Spring Scale with Weight that makes it read about half-scale 8. Hooke's Law demonstration 9. Bathroom Scale Thanks, Lou

• Demonstrations for Spring Scales: 1. Green Spring Scale 2. Hanging Spring Scale with Weight that makes it read about half-scale 3. Hooke's Law demonstration 4. Bathroom Scale 5. A hanging spring, from which to bounce a weight up and down (to show oscillation) and from which to bounce a spring scale up and down (to show that the spring scale only reads correctly when there is no acceleration). Thanks, Lou

• Demonstrations for Spring Scales: 1. A hanging spring and weights  (to show oscillation). Demonstrations for Bouncing Balls: 2. Baseball 3. Tennis Ball 4. Golf Ball 5. Basketball 6. Happy and Unhappy Balls 7. A bean bag (if you have one) 8. Tray of sand or rice (to show ball not bouncing) 9. Large balloon (to show ball bouncing from soft elastic surface) 10. A board, ~12" x 12" x 1/2" (to bounce a ball from as that surface moves) 11. Baseball bat and the hanging system and the two baseball mallets 12. Battering ram with dead clay and lively putty. Thanks, Lou

• Demonstrations for Carousels and Roller Coasters: 1. Pink rubber ball on string 2. Wineglass (short) and pie plate 3. Green liquid on turn-table

  liquid slopes outward as the turn-table turns 4. Loop-the-loop track Thanks, Lou Note: also need a chair with back.

• Demonstrations for Carousels and Roller Coasters: 1. Pink rubber ball on string 2. Loop-the-loop track Demonstrations for Bicycles: 3. Plastic Stability Track and Ball 4. Stability Tower 5. Ordinary Chair (with a back) 6. A broom (to balance on my hand) 7. Bicycle wheel Thanks, Lou ******************* Note for my own records -- I will bring up: A. My bicycle

• Demonstrations for Bicycles: 1. A broom (to balance on my hand) 2. Bicycle wheel and Grinder Demonstrations for Rockets: 3. Pasco Cart and Medicine Ball 4. Fire extinguisher cart 5. Water Rocket 6. Hairspray Rocket 7. Ion Vane "Rocket" (whimshurst and the rotating vane toy) 8. Large uninflated balloon 9. Arrow without feathers on a string 10. Arrow with feathers on a string Thanks, Lou ******************* Note for my own records -- I will bring up: A. My bicycle

• Demonstrations for Rockets: 7. Ion Vane "Rocket" (whimshurst and the rotating vane toy) 8. Large uninflated balloon 9. Arrow without feathers on a string 10. Arrow with feathers on a string
  Demonstrations for Balloons: 11. Large uninflated balloon (again) 12. Magdeberg hemispheres 13. Vacuum pump system and bell jar 14. Marshmallow man frame 15. Tanks of helium 16. Liquid nitrogen (for use in clear glass dewar) 17. Hot air balloon Thanks, Lou ******************* Note for my own records -- I will bring up: A. marshmallows

• Demonstrations for Water Distribution: 1. A water-filled squeeze bottle 2. A piston pump 3. The short water-tank with hose and nozzle (tank slides up and down a post) 4. Pascal's Vases 5. Super-tall water-tank with hose and nozzle (from catwalk) 6. Siphon demonstration (two open clear containers of colored water, a hose to connect them, and blocks to change their heights) 7. A "water-cooler" demo: a flask of colored water that I can invert and put in a container of colored water. I'll let air bubble up into it to release the water. Thanks, Lou

• 1. Vortex Cannon 2. Bernoulli tube with the 3 hanging manometers and compressed air tube. 3. Two plates that stick together when air flows through a tube. 4. Ping Pong ball in funnel 5. Paint sprayer demo (air from an eyedropper nozzle sucks water up the tube) 6. Clear container of rheologic fluid and several sticks to move through it to show the onset of turbulence 7. Water hammer toy 8. Medium-sized rubber mallet for water hammer demo (breaking soda bottles)

• 1. Two plates that stick together when air flows through a tube. 2. Ping Pong ball in funnel 3. Paint sprayer demo (air from an eyedropper nozzle sucks water up the tube) 4. Clear container of rheologic fluid and several sticks to move through it to show the onset of turbulence 5. Water hammer toy 6. Medium-sized rubber mallet for water hammer demo (breaking soda bottles)

• Demonstrations for Balls and Air: 1. Smoke generator (to show particle suspended in air) 2. Leaf-blower and beach ball 3. Baseball 4. Golf ball 5. Basketball 6. Curveball thrower Thanks, Lou

• Demonstrations for Balls and Air: 1. Leaf-blower and beach ball 2. Baseball 3. Golf ball 4. Basketball 5. Curveball thrower
  
  Demonstrations for Airplanes: 6. Foam airplane model Thanks, Lou

• Demonstrations for Airplanes: 1. Foam airplane model Demonstrations for Woodstoves: 2. A candle and matches (to discuss what combustion is about) 3. A metal rod, blowtorch, and beaker of water (to discuss heat flow) 4. Liquid nitrogen and a cup of water (I'll pour the LN2 onto the water) 5. Pennies, an anvil, a hammer, pliers, and LN2 in a dewar (to break pennies) 6. Heat conduction in three metals demo (the balls that drop as the wax melts) 7. Thin-walled stainless tube (to heat red hot while holding it).

• Demonstrations for Woodstoves: 1. A metal rod, blowtorch, and beaker of water (to discuss heat flow) 2. Liquid nitrogen and a cup of water (I'll pour the LN2 onto the water) 3. Convection cell and projector 4. Reflector demo -- lighting the match across the room 5. A test tube of water and a burner -- I'll hold the bottom and boil the top 6. The thermopile and heated cube. Demonstrations for Water, Steam, and Ice: 7. Boiling water in a vacuum (bell jar and a beaker of water, plus LN2 for trap) 8. Crushing beverage can by boiling water in it and inverting it into a tray of water.

• Demonstrations for Water, Steam, and Ice: 1. Boiling water in a vacuum (bell jar and a beaker of water, plus LN2 for trap) 2. Crushing beverage can by boiling water in it and inverting it into a tray of water.3. A large beaker of ice cubes and a large beaker of water (to mix and talk about temperature) 4. LN2, the clear dewar, and tongs 5. A small (4" x 4" or so) metal plate to dip into the LN2 and show frost depositing

• Demonstrations for Clothing, Insulation, and Climate: 1. Blowtorch and a thin plate of stainless steel to heat red/orange hot and discuss the color temperature 2. Clear dewar flask, Silvered dewar flask, and LN2 3. Jug, Thermister, and Bicycle Pump (pressure rise on compression, drop on expansion) Demonstrations for Air Conditioners: 4. My two entropy/heat boxes (with the fake dials on the front)

• Demonstrations for Air Conditioners: 1. Jug, Thermister, and Bicycle Pump (pressure rise on compression, drop on expansion) 2. Empty plastic bottle with a tight cap (a plastic squeeze bottle, but with a cap, not at nozzle) 3. My two entropy/heat boxes (with the fake dials on the front)

• Demonstrations for Air Conditioners: 1. Empty plastic bottle with a tight cap (a plastic squeeze bottle, but with a cap, not at nozzle) 2. The disassembled dehumidifier - heat pump moving heat from one side to the other. Demonstrations for Automobiles: 3. Fire syringe 4. Steam engine demo 5. Dipping Duck 6. Exploding milk jug demo

• Demonstrations for Automobiles: 1. Fire syringe 2. Steam engine demo 3. Dipping Duck 4. Exploding milk jug demo

• Demonstrations for Clocks: 1. Bowling Ball Pendulum Demonstrations for Musical Instruments: 2. String standing wave demo, using the electromagnetic coil drive (not the motor drive) 3. Sonometer with Bow and Rosin 4. Wineglass breaker (sound) 5. Tacoma-Narrows bridge collapse 6. Coke bottle 7. Helium tank 8. Coupled pendulum demo 9. Coupled tuning forks (two boxed tuning forks) 10. Carpet tubes and burner (also the metal tube)