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In this activity, learners will experiment with different materials that can melt and change ice.

1 cent - $1 per student Ages 4 - 6 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