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In this activity, learners will explore probability using dice. They will predict and then roll the dice to observe how many rolls it would take to repeat a matching pair. Learn track predictions vs.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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In this physics activity (page 4 of the PDF), learners will--using nothing more than a coat hanger and some string--explore and understand sound energy and how it moves.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes