Clean, Green Power
Learners explore and discuss alternative energy sources, and identify disadvantages of current fossil fuels.
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Hetch Hetchy: The Story of San Francisco's Water
How did San Francisco supply enough water for its residents over the last two centuries? Learn about droughts and water conservation in California, as well as specific historical events that led to the water system today. Kids read two...
2nd - 4th Science CCSS: Adaptable