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In this activity, learners examine raindrop bottles (prepared ahead of time) to observe in slow motion the behavior of falling droplets and explore concepts such as drag and terminal velocity.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this chemistry demonstration, acid rain is simulated in a petri dish.

$1 - $5 per group Ages 14 - adult 5 to 10 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