WHY? The steeper the hill, the faster a round object rills down it. The speed of the roly-polies can be increased by increasing the height of the raised end of the cookie sheet. When Newton first discovered the Laws of Motion he also experimented with different objects and observed what happened to them when gravity's force acted upon them. ASSESSMENT: Can the student communicate what they observed?

Student is able to communicate how Newton's Second Law of Motion affects the roly polies on the cookie sheet. The student is also able to apply this Law of Motion to at least one other application - example - riding one's bike down a hill. (The bike's wheels roll down the hill.) Student is able to communicate some of the reasons how Newton's Second Law of Motion affects the roly polies on the cookie sheet. Student is able to communicate one of the reasons how Newton's Second Law of Motion affects the roly polies on the cookie sheet. Student is able to communicate that when you squeeze a drop of colored water on the powdered cookie sheet it rolls down to the bottom.

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Last modified: Fri Feb 13 14:36:56 PST 1998

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