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This open-ended art project allows learners to create their own colorful ice sculpture by using rock salt and food coloring on a solid block of ice.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes