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Conductivity: Salty Water
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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?
Waves: An Alternative Energy Source
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In this data analysis and environmental science activity, learners evaluate the feasibility of wave energy as a practical alternative energy source using ocean observing system (OOS) buoys.
AM in the PM
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In this activity, learners will listen to as many radio stations as possible to discover that AM radio signals can travel many hundreds of miles at night.
Electrostatic Water Attraction
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In this activity, learners conduct a simple experiment to see how electrically charged things like plastic attract electrically neutral things like water.