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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...
Grade Level   5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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2
Published in 2018
Common things we use every day, like roads, sidewalks, schools, hospitals, and homes -- to name a few -- are made up of rocks and minerals. As a resource, they are called mineral reserves and include materials like sand, gravel, limestone, granite, and other aggregate and construction materials....
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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