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This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants growing

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners simulate the behavior of the atmosphere.

free Ages 8 - 14 10 to 30 minutes
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This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.

Over $20 per group Ages 4 - adult 5 to 10 minutes