Rotating Stool with Weights – 1Q40.10

- Start rotating with dumbbells close to your body.  Or else be careful to begin with a slow spin.
- Watch the change in spin the masses are moved further away.

Location: Galileo F

Rotating Hoberman Sphere – 1Q40.22 

- Expand the Hoberman sphere by removing the small clip at the bottom.
- Give the sphere a slight push to make it spin slowly.
- As it is spinning, pull on the bottom pull ring and watch the angular velocity change.
- Do not pull hard enough to collapse the sphere completely. This damages the pulley system.

Location: Jacobs B122 - Shelf 283

Pulling on the Whirligig – 1Q40.25

- Attach balls to either ends of a string that passes through a hollow tube so you can set one ball twirling and pull on the other ball to change the radius.
- Spin the ball around while holding the hollow tub.
- Move the lower ball up and down to change the radius of the circle.

Location: Jacobs B122 - Shelf 274

Rotating Stool and the Bicycle Wheel – 1Q40.30

- Tip a spinning wheel sitting on a rotating platform.
- Tip the wheel in the opposite direction to spin to change the direction on the spinning platform.

Location: Galileo F

Suitcase Demo – 1Q40.50

-A large fly-wheel is mounted in a suitcase.
-Start the fly-wheel a couple of minutes before the demo.
-Have a student carry the suitcase around the corner.

Location: Jacobs B122 - Shelf 033

Video:

MYSTERY SPACE SHIP - DEFIES GRAVITY - 1Q40.55

- Plastic spaceship toy with encased gyroscope with a holder and a crank on top.
- When cranked it performs numerous spinning tricks, balancing on its side, on center post, or attached to a string.

Location: Jacobs B122 - Shelf 264

Video: