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In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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Learners model the ocean currents that carry hot water from the tropics to northern latitudes.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

$10 - $20 per group Ages 14 - 18 1 to 7 days