1M40.67 - Spring Jumper & Compression Spring
Press down on the hand until the suction cup adheres to the base. After a certain period of time the suction will be reduced enough so the spring will expand.
Examples of other compression springs can also be shown.
- Robert Ehrlich, ""Experiments with 'Newton's Cradle'", TPT, Vol. 34, # 3, March 1996, p. 181.
- Carl H. Hayn, "Pedagogical Interlude", TPT, Vol. 28, # 3, Mar. 1990, p. 166.
- Bruce W. Jones, "A "Black Box/Can" Project", TPT, Vol. 25, # 7, p. 441, October 1987.
- James Watson, Jr. and Nancy T. Watson, "Physics Toy Chest", TPT, Vol. 25, # 9, p. 564, December 1987.
- Robert Ehrlich, "Using a Retractable Ball Point Pen to Test the Law of Conservation of Energy", AJP, Vol. 64, # 2, Feb. 1996, p. 176.
- Robert Ehrlich, "5.5, Ballpoint Pen Test of Energy Conservation", Why Toast Lands Jelly-Side Down, p. 89.
- Janice VanCleave, "Build a Toy That Will Throw a Ball Toward a Target", Super Science Challenges, p. 123.
- M- 406, "Toys-Windup, Jumping & Rolling", DICK and RAE Physics Demo Notebook.
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