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"Molecules in Motion" explores how materials behave and change in a vacuum.

$10 - $20 per group Ages 6 - adult 5 to 10 minutes
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In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks
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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