B+15+5 | Wilberforce pendulum: Oscillates between rotation and up-down. | 2014-11-20 |
B+67+0 | Whip | 2014-12-02 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2014-09-03 |
C+25+40 | Water in vertical standpipe with holes at different heights. | 2014-12-04 |
A+70+5 | Vector arrows of various sizes and colors fit in wooden bases. | 2014-08-28 |
C+30+68 | Vacuum Cannon | 2014-12-04 |
C+25+30 | Two roof models, hinged, placed in wind stream. | 2014-12-04 |
B+15+10 | Two pendulums on a frame of flexible steel. | 2014-11-18 |
B+15+0 | Two large pendulums coupled with spring. | 2014-11-18 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2014-10-14 |
B+15+15 | Two balls hung on the same string, one in middle, one at the end. | 2014-11-20 |
A+35+40 | Train on circular track moves one way and track moves the other. | 2014-09-09 |
A+65+10 | Torque wrench to demonstrate. | 2014-10-14 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2014-09-30 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2014-10-02 |
B+15+1 | Three large pendulums coupled with two springs. | 2014-11-20 |
A+20+5 | Tablecloth yanked out from under dishes. | 2014-09-18 |
B+65+0 | Sonalert swung on the end of a string. | 2014-12-02 |
A+30+35 | Sire's Polytrope. | 2014-10-16 |
B+20+25 | Set of three coupled inverted pendulums on wood base. | 2014-11-18 |
B+25+10 | Rubber rope stretched across front of room. | 2014-11-20 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2014-09-23 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2014-10-09 |
B+50+10 | Rope and strobe: Transverse standing waves, motor driven. | 2014-12-02 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2014-10-14 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2014-09-09 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2014-09-23 |
A+50+20 | Rocket is filled with water and compressed air and launched vertically. | 2014-09-25 |
B+50+15 | Reuben's tube: Standing sound waves in flames along a large pipe. | 2014-08-28 |
B+50+15 | Reuben's tube: Standing sound waves in flames along a large pipe. | 2014-12-02 |
A+35+25 | Plastic pucks on air table. | 2014-09-30 |
A+35+25 | Plastic pucks on air table. | 2014-10-02 |
B+20+15 | One tuning fork with tuned cavity, drives another. | 2014-11-18 |
A+50+10 | Monkey and the hunter. | 2014-08-28 |
A+50+10 | Monkey and the hunter. | 2014-09-03 |
B+50+5 | Model of longitudinal standing wave, hand-cranked. | 2014-12-02 |
A+0+55 | Mercury and colored water in a rotating glass vessel. | 2014-10-21 |
A+30+20 | Maxwell's top, has adjustable center of gravity. | 2014-10-16 |
A+30+45 | Large gyroscope in a suitcase. | 2014-10-16 |
A+30+25 | Large conical aluminum top. | 2014-10-16 |
A+30+30 | Gyroscopes; various. | 2014-08-28 |
A+30+30 | Gyroscopes; various. | 2014-10-16 |
C+25+15 | Glass aspirator: Compressed air draws colored water up glass tube. | 2014-12-04 |
A+14+10 | Force table: Forces on a car on an adjustable inclined plane. | 2014-09-11 |
A+0+56 | Flattening of the earth: Rotating brass hoops. | 2014-10-21 |
A+35+28 | Executive size pool table | 2014-09-30 |
A+35+28 | Executive size pool table | 2014-10-02 |
A+37+11 | Electric winch tows car at constant speed, then constant acceleration. | 2014-09-11 |
A+35+5 | Elastic collisions: Seven steel balls roll on a wooden track. | 2014-10-02 |
A+35+5 | Elastic collisions: Seven steel balls roll on a wooden track. | 2014-09-30 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2014-10-02 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2014-09-30 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2014-09-03 |
B+20+35 | Driven oscillations in a multiple spring-mass system. | 2014-11-20 |
A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2014-09-23 |
C+25+16 | Compressed air through funnel sucks in ball. | 2014-12-04 |
B+5+0 | Chaotic pendulum. | 2014-11-20 |
A+60+32 | Center of gravity (toy) objects. | 2014-10-09 |
A+60+32 | Center of gravity (toy) objects. | 2014-10-14 |
A+20+0 | Card snapped from under a weight by a leaf spring. | 2014-09-18 |
A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2014-09-23 |
A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2014-09-25 |
A+60+20 | Car hangs balanced by forces in mid-air over removable inclined plane. | 2014-09-11 |
A+0+50 | Candles rotating about an axis. | 2014-10-21 |
A+20+10 | Breaking thread above and below weight. | 2014-09-18 |
A+80+40 | Block and tackle: Bosun's chair. | 2014-09-11 |
A+80+40 | Block and tackle: Bosun's chair. | 2014-09-16 |
B+35+20 | Beats with tuning forks on tuned cavities. | 2014-12-02 |
B+20+30 | Beaker is broken by sound from speaker. | 2014-11-18 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2014-09-03 |
A+35+17 | Ballistic pendulum: Suspended .22 rifle fires into suspended block. | 2014-09-18 |
C+30+17 | Archimedes' principle: weighing beakers in water. | 2014-12-04 |
C+30+15 | Archimedes' principle: Cup and plug on balance beam. | 2014-12-04 |
A+35+35 | Airtrack: Long track with two gliders coupled by a spring hoop. | 2014-09-23 |
A+55+0 | "Sweet Spot": Meterstick pivot point changes with point struck. | 2014-10-14 |
G+0+0 | 35mm slides for astronomy. | 2014-10-10 |