C+90+10 | Young's modulus of elasticity: Weight stretches wire. | 2022-10-28 |
A+12+5 | Weighted wood block dragged horizontally by force sensor. | 2022-09-23 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2022-10-14 |
B+25+0 | Transverse wave model, hand-cranked. | 2022-11-18 |
B+25+30 | Torsional wave device, large or small. | 2022-11-18 |
C+30+40 | Torricelli Barometer: Column of mercury in bell jar. | 2022-11-04 |
A+65+10 | Torque wrench to demonstrate. | 2022-10-14 |
A+0+5 | Timed free fall: Ball drops 2 meters through electronic timing gate. | 2022-09-02 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2022-10-07 |
B+25+20 | Suspended slinky on threads for compression wave. | 2022-11-16 |
A+30+60 | Spinning Bicycle Wheel Stays Upright. | 2022-10-21 |
A+30+60 | Spinning Bicycle Wheel Stays Upright. | 2022-10-24 |
B+60+0 | Speed of sound in air: Speaker resonates air column over water. | 2022-12-02 |
B+65+0 | Sonalert swung on the end of a string. | 2022-12-02 |
C+90+16 | Shear: Foam block. | 2022-10-28 |
B+50+30 | Set of ten suspended metal rods struck with a wooden mallet. | 2022-12-02 |
B+25+10 | Rubber rope stretched across front of room. | 2022-11-18 |
A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2022-10-21 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2022-10-19 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2022-10-21 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2022-10-14 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2022-10-07 |
C+30+0 | Revolving 'drumhead' with manometer shows pressure in water tank. | 2022-11-04 |
A+80+10 | Pulley sets. | 2022-10-28 |
A+35+25 | Plastic pucks on air table. | 2022-10-07 |
B+20+15 | One tuning fork with tuned cavity, drives another. | 2022-12-02 |
A+50+10 | Monkey and the hunter. | 2022-09-02 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2022-10-14 |
C+30+62 | Mat held down by atmospheric pressure. | 2022-11-04 |
C+30+5 | Magdeburg's hemispheres(cast iron) evacuated, can't be separated. | 2022-11-04 |
A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2022-09-30 |
A+0+45 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2022-10-14 |
B+25+5 | Longitudinal wave model, hand-cranked. | 2022-11-18 |
A+30+25 | Large conical aluminum top. | 2022-10-21 |
A+60+30 | Irregular shapes to determine center of mass using plumb bob. | 2022-10-07 |
B+35+15 | Interference in a ripple tank uses arc lamp or incandescent light. | 2022-11-18 |
A+35+18 | Inelastic collisions: Another ballistic pendulum. | 2022-10-07 |
C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2022-10-28 |
C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2022-11-04 |
B+45+42 | Hoot Tube | 2022-12-02 |
A+30+30 | Gyroscopes; various. | 2022-10-21 |
A+5+10 | Equal path lengths ball race. | 2022-09-30 |
C+22+0 | Engine models: Steam, 4-cycle Otto. | 2022-09-23 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2022-10-26 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2022-10-07 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2022-09-02 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2022-09-09 |
A+55+10 | Cycloid disk draws path on chalkboard. | 2022-10-14 |
A+0+40 | Conical pendulum: Similar to A+0+35 with standard weights. | 2022-09-23 |
C+25+16 | Compressed air through funnel sucks in ball. | 2022-11-04 |
C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2022-11-04 |
A+20+0 | Card snapped from under a weight by a leaf spring. | 2022-09-09 |
A+60+20 | Car hangs balanced by forces in mid-air over removable inclined plane. | 2022-10-28 |
A+5+20 | Bowling ball pendulum swings back to nose. | 2022-09-30 |
A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2022-09-23 |
C+25+5 | Bernoulli's principle: Ball suspended in air stream. | 2022-11-04 |
B+45+15 | Bell ringing in a jar evacuated with pump. | 2022-12-02 |
B+35+20 | Beats with tuning forks on tuned cavities. | 2022-12-02 |
B+35+30 | Beats from two speakers observed on an oscilloscope. | 2022-11-18 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2022-09-02 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2022-09-09 |
C+30+15 | Archimedes' principle: Cup and plug on balance beam. | 2022-11-04 |
A+37+5 | Airtrack: Glider passes "start" and "stop" gates on digital timer. | 2022-09-02 |
B+35+5 | Acoustic interference with Quincke (trombone) tube and sonalert. | 2022-12-02 |
A+0+35 | A ball swung on a string held by a sleeve. | 2022-09-09 |