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Alternative Energy

global warming and alternative energies

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
Created by: bkapala