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It takes energy to run the appliances and machines we use everyday. The national average commercial cost to use this energy is ¤0.10/kilowatt hour. In addition to the financial cost, there is also an environmental cost in the form of carbon emissions. The general rule of thumb is that every...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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2
"Since 1970, oil and natural gas have provided more than half of the energy used each year in the United States to produce electricity, heat, transportation fuels, and many everyday products from balloons to vitamins. Oil and natural gas are forms of petroleum, a word that literally means...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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