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Millions of organisms can live in and around a body of water.

1 cent - $1 per student Ages 8 - adult 45 to 60 minutes
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Most people break at least two bones in their lifetime. In this activity, learners will use celery stalks to model the many ways that bones can fracture.

1 cent - $1 per student Ages 8 - adult 10 to 30 minutes
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In this activity, learners explore how eating unhealthy food can damage a heart and arteries.

1 cent - $1 per student Ages 8 - adult 5 to 10 minutes