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Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?

free Ages 14 - 18 1 to 2 hours
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Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data.

1 cent - $1 per student Ages 11 - 18 45 to 60 minutes