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"More people are using energy every day, and there are fewer resources to go around. We need to make the energy sources that we have last, and get more energy from sources that never run out. Scientists and engineers are working hard on many ideas for clean energy! How can power plants be cleaner...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Virtual Field Trips
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