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In this activity, learners predict where a ball will go after it bounces off another object. Learners discover that the motion of objects is predictable based on laws of motion.

1 cent - $1 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners determine the shape of an unseen object by bouncing a ball off the object.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

$1 - $5 per student Ages 8 - 14 10 to 30 minutes