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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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How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

$10 - $20 per group Ages 8 - adult 10 to 30 minutes