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In this activity, learners use multiple thermometers, placed at different angles, and a lamp to investigate why some places on Earth's surface are much hotter than others.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this self-measuring activity, learners measure and record the length of their foot.

1 cent - $1 per group Ages 4 - 11 30 to 45 minutes