 
				Something About Gravity
				
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Author:
 Avigail Snir
				
				
					
Description:
 In this book/activity: We start with a ball that moves forward by 5; Find out that this is not the way balls move in the basketball court; Modify the script and find out that Gravity does not cause the ball to loose height at a constant rate.
In the Etoys project Gravity Experiment (http://www.etoysillinois.org/library.php?sl=1647 ) we continue to explore this question by analyzing the motion of a real ball.
				
				
				
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