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Alternative Energy
global warming and alternative energies
Question | Answer |
---|---|
What energy comes from the heat deep within the earth? | geothermal power |
What is energy from the sun? | solar energy |
What is it called when gases are trapped within the earth's atmosphere? | greenhouse effect |
What contributes to global warming because there are fewer trees to take in carbon dioxide? | deforestation |
What are coal, oil and natural gas examples of? | fossil fuels |
What energy uses water to spin turbines and generators to create electricity? | hydroelectric power |
What is the movement of air that converts moving(mechanical) energy into electricity? | wind energy |
What device converts solar energy into electricity? | photovoltaic cell |
What are resources that can be replaced easily? | renewable resource |
What are resources that are not easily replaced? | nonrenewable resource |
What is the overall heating of the earth's average temperature? | global warming |
What is the time period when factories, trains and machines first began to use fossil fuels? | industrial revolution |
hydrogen cell | |
alternative fuels |