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6-8 1 9-12 1 activities 1 coal 1 earth 1 earth science 1 elementary school 1 more ...
6-8 1 9-12 1 activities 1 coal 1 earth 1 earth science 1 elementary school 1 more ...
1
Coal produces more than half of the electricity used in the United States, and is our most abundant domestic nonrenewable energy source. The students will comupte the cost of electricity used to light their classroom and their school for one hour through one year, the number of kilowatt ours of...
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