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In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes
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In this activity, pairs of learners will create two make-believe dig sites by burying chicken bones in plaster of Paris--a powder that hardens when wet.

$5 - $10 per group Ages 8 - 14 2 to 4 hours