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In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from.

1 cent - $1 per group Ages 4 - adult 10 to 30 minutes