Lecture Demonstrations Laboratory

Demo Request History

Getting info for CourseID: 5744

PHYS 1050-001: How Things Work

• 1. Razor scooter and stand 2. Tablecloth trick 3. Hovercraft 4. Relatively full roll of Paper Towels (to snap one off of) 5. Hammer, nails, and board 6. Two baseballs 7. One bowling ball

• 1. Bowling Ball 2. Basketball 3. My Ramp 4. Blocks for my Ramp 5. My Wagon 6. 2 large blocky weights 7. 2 spring scales for pulling the wagon 8. 2 grocery scales 9. Long aluminum seesaw bar 10. Short aluminum angle bar pivot 11. 4 1-kg weights 12. Swivel chair 13. Dumbbells 14. Bicycle wheel 15. Grinder to spin Bicycle Wheel 16. Wobble ball 17. Medium-sized mallet (to toss and watch wobble) 18. The pair of metal bars with different moments-of-inertia, ... Thanks, - Lou, ... I'll bring: - My rotating board

• I'm in seesaws, so I'd like: 1. Bowling Ball 2. Long aluminum seesaw bar 3. Short aluminum angle bar pivot 4. Four 1-kg weights 5. Swivel chair 6. Dumbbells 7. Bicycle wheel 8. Grinder to spin Bicycle Wheel 9. Wobble ball 10. The pair of metal bars with different moments-of-inertia 11. My rotating board and pivot 12. Mini-Me 13. Medium-sized mallet 14. The foam tossing toy with the two lights in it, ... Thanks, - Lou

• 1. I'm continuing with wheels and starting bumper cars: 2. Friction surface for wheel-less wagon 3. Bicycle wheel (for showing how rolling works) 4. Two spring scales for pulling my wheel-less wagon (different ranges) 5. 5-kg block weight 6. 3 metal rods (to use as rollers for my wagon) 7. Peanut can with snake in it 8. Set of 9V batteries to charge big capacitor (about 75 V) 9. Two large magnets to jump at one another 10. Phoney stick of dynamite with tiny firecracker and lighter (if we still have it) 11. Glass tray and colored beads, separated purple and white -- no camera needed 12. Pasco cart 13. Hammer and nails and wood block, ... I think that's it. Thanks, - Lou, ... I'll bring: 1. Big capacitor and screwdriver 2. Box of dice

• I'm continuing with wheels and going through bumper cars: 1. Bicycle wheel 2. Glass tray and colored beads, separated purple and white -- no camera needed 3. Pasco cart 4. Hammer and nails and wood block 5. Swivel chair 6. Dumbbells 7. Big bicycle wheel & grinder to spin it up, ... I think that's it. Thanks, - Lou, ... I'll bring: Box of dice

• I'm continuing with wheels and going through bumper cars: 1. Pasco cart 2. Swivel chair 3. Dumbbells 4. Red Bowling Ball 6. Hooke's Law Demo 7. Hanging spring and weight (to show equilibrium and oscillations about equilibrium) 8. Grocery Store Scale 9. Bathroom Scale (with camera), ... I think that's it. Thanks, - Lou, ... I'll bring: Big Springs

• Bouncing balls.... 1. Two Baseballs 2. Basketball 3. Tennis ball 4. Golf ball 5. Large Happy and Unhappy Balls 6. Bean bag 7. Tray of Sand 8. Trampoline-like surface (a trampoline would be great if you have one) 9. A 12" x 12" (approx) board to bounce balls from 10. Baseball Bat (hanging) 11. Baseball mallet (hardball), ... Thanks! - Lou

• Bouncing balls and carousels/roller coasters.... 1. Two Baseballs 2. Baseball Bat (hanging) 3. Baseball mallet (hardball) 4. Turntable with something swinging outward from it 5. Turntable with fluid-filled container 6. Pink ball on string 7. Wineglass and pizza plater 8. Plastic bucket and objects to put in it while swinging the bucket, ... Thanks! - Lou

• midterm exam #1: no demos

• Today, I'm going to finish rollercoasters and go on to bicycles: 1 .Pink ball on string 2. Wineglass and pizza plater 3. Plastic bucket and objects to put in it while swinging the bucket 4. Center of gravity tower (3-level, tiltable) 5. Red plastic track with marble - stable, unstable, and neutral equilibrium 6. Bicycle wheel, grinder, and hanging cord support 7. Hula-hoop (if you have one), ... Thanks, - Lou, ... I'll bring: 1. Bicycle 2. Tricycle 3. Broom

• Today, last thoughts about bicycles and then on to rockets! ... 1. Bicycle wheel, grinder, and hanging cord support 2.Pasco cart 3. Medicine ball 4. Water rockets 5. Plastic bottle rocket (up to the back of the room) 6. CO2 rocket cart 7. Match rockets (if you have them) 8. Swinging arrows (with and without fletching/feathers), ... Thanks, - Lou

• no class

• 1. Various uninflated balloons 2. Gas pressure demo (projection of metal balls vibrating in a glass container with a sliding lid) 3. Magdeburg hemispheres 4. Vacuum bell jar 5. Marshmallow man (I will go buy some fresh marshmallows) 6. Clean plastic bottle (to suck empty and collapse) 7. Liquid Nitrogen 8. Clear dewar 9. Handball to freeze and break 10. Tongs for LN2 experiments 11. Archimedes Demo 12. Cartesian Diver 13. Hot Air balloon demo 14. Helium tank 15. Inverted glass tank (to fill with helium and defloat helium balloon) 16. Natural gas bubble demo (with ignitor), ... Thanks, - Lou

• 1. Some clean straws and clean water 2. A squeeze bottle of water that I can plug and squeeze, then unplug and spray 3. A piston pump for water (or something equivalent). 4. Pascal's Vases 5. Hydraulic Press and something to smash 6. A syphon 7. A simulated water cooler (a full bottle I can invert into a dish of water) 8.Low adjustable water tank, hose, and nozzle 9. Tall water tank, hose, and nozzle (from the cat walk) 10. Vacuum cannon, ... Thanks!

• 1. Pascal's Vases 2. Hydraulic Press and something to smash 3. A siphon 4. A simulated water cooler (a full bottle I can invert into a dish of water) 5. Low adjustable water tank, hose, and nozzle 6. Vortex cannon & smoke generator 7. Water tank with capillary tubes 8. Two plates that stick together when air flows through one 9. Ping pong ball that sticks in funnel when air flows through it 10. Air flowing through dropper nozzle and water container with domed pipe: paint sprayer, ... Thanks! - Lou

• 1. Dusty chalk erasers 2. Beach ball 3. Blower for Beach ball 4. Golf ball 5. Curveball thrower 6. Big toy airplane (styrofoam) 7. Any gliders and wind-up airplanes you might have, ... Thanks! - Lou

• midterm 2 - no demos

• Demos for today: 1. Big toy airplane (styrofoam) 2. Any gliders and wind-up airplanes you might have 3. Two baseballs, ... Fun and games with heat flow (for "woodstoves"): 1. Gas Burner 2. Metal rod to heat 3. Tongs and/or Pliers to hold rod 4. Metal tube to hold and heat 5. Liquid Nitrogen 6. Clear dewar 7. Beaker of water 8. Lead bell, ... I might go get everything to make Liquid Nitrogen Ice Cream, so please have a full tank of LN2. Thanks! - Lou

• Demos for today: 1. Radiation Box and Bolometer 2. Light the match across the room radiation demo 3. LN2 and clear dewar 4. Test tube and water and burner (for holding at the bottom and heating the top), ... Thanks! - Lou

• 1. Radiation Box and Bolometer 2. Light the match across the room radiation demo 3. Infrared Camera (sees heat) 4. LN2 and clear dewar 5. A thermometer or thermocouple 6. A pound of ice cubes 7. A beaker of water (I plan to LN2-cool ice and measure its temperature, then mix ice with water and measure their temperature). 1. A burner, stand, and beaker (to show temperature can rise continuously to boiling) 2. Cans with a little water and a dish of water and tongs (boil water in cans, then crush them in the water) Thanks! Lou

• 1. Big jug, bicycle pump, and thermistor (compressing air heats, expanding cools) 2. My entropy & heat cardboard boxes 3. Deconstructed dehumidifier 4. Empty plastic water or soda bottle (to squeeze and unsqueeze as an "air conditioner"), ... Thanks! - Lou

• Same stuff back again: 1. Big jug, bicycle pump, and thermistor (compressing air heats, expanding cools) 2. My entropy & heat cardboard boxes 3. Deconstructed dehumidifier 4. Empty plastic water or soda bottle (to squeeze and unsqueeze as an "air conditioner"), ... Thanks! - Lou

• Demos for today: 1. Deconstructed dehumidifier 2. Fire plunger 3. Milk Jug(s), alcohol, and spark-ignitor 4. Steam engine 5. Candle-powered carousel 6. Hero's engine (if you have it still) 7. Lava lamp (if you have one) 8. Dipping Duck, ... Thanks! - Lou

• 1. Fire plunger 2. Bowling ball pendulum 3. Three different-length pendulums 4. Torsional pendulum 5. Mass hanging on a spring (some different springs, some different masses) 6. Tuning forks 7. Singing rod and rosin (spray rosin is ideal) 8. Bouncy ball (as an an-harmonic oscillator) 9. Support for my pendulum clock (I'll bring it up), ... Thanks! - Lou, ... I'll bring up: 1. My pendulum clock 2. My carriage clock

• 1. Tuning forks 2. Singing rod and rosin (spray rosin is ideal) 3. Bouncy ball (as an an-harmonic oscillator) 4. Vibrating string demo, with electronic shaker -- the motor gadget is awful 5. Sonometer 6. Resonant pendulums 7. Two tuning forks with boxes 8. A wineglass to bow with my finger 9. Break the wineglass with sound demo, ... Thanks! - Lou, ... I'll bring up: 1. My pendulum clock 2. My carriage clock

• 1. Tuning forks 2. Resonant pendulums 3. Two tuning forks with boxes 4. Whistling tubes 5. Carpet tubes and burner 6. Metal tube with gauze in it 7. Coke bottle 8. Helium tank 9. Some drinking straws 10. A rope attached at one end to a post on the bench (if you don't have a decently massive rope, then a long spring). I want to play jump-rope with it and show the fundamental and second harmonic modes. 11. Magnet longitudinal wave demo, ... Thanks! - Lou

• Last day of new material: the sea! 1. The aquarium with about 6" of water, rockable on a metal rod 2. The long spring attached to a post on the lecture bench 3. The torsional transverse wave demo 4. The magnetic longitudinal wave demo (again) 5. The two tuning forks on boxes (to talk again about resonance) 6. The Hertz resonators and tuning forks that can excite their resonances 7. Any good wave demonstrations you can think of, ... Thanks! - Lou