"Falling & Gliding"
WHY? question_guy
Air pushes up on both of the paper pieces as they drop. The flat paper is a bigger shape so more air can push against it. This makes it fall more slowly than the ball-shaped paper.
ASSESSMENT: Can the student communicate what they observed?

question_guy
four The student able to communicate that one paper took a slightly slower gliding flight due to the extended flat surface of the sheet of paper and the other quickly dropped because it had no flat surface (only a wadded up ball) to assist it to a gliding motion to the ground.

three The student is able to communicate that one sheet of paper was able to glide through the air to the ground and the other one dropped to the ground.

two The student is able to communicate that both papers dropped or fell to the ground but one was faster than the other.

one The student can only communicate that both papers dropped.


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Last modified: Sat Nov 15 19:03:48 PST 1997

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