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Unit 7 Energy Use and Renewal Vocabulary

Across
Materials from the environment that people use that cannot be replaced
Electricity generated by running water
Resource that comes from living, or recently living organisms
A source of energy other than the burning of a fossil fuel
A mixture of smoke and fog, formed when smoke and fumes collect in moist, calm air
A measure determined by comparing the costs and consequences of different ways of doing something
Down
Saving protecting, or using natural resources wisely
An energy course that cannot be used up
Heat from below the Earth's surface
To use something again
Materials from the environment that people use that can be replaced relatively quickly
The environmental consequences of energy use; examples include the generation of pollution and long-term health problems cause for people
The cash value of energy use; examples include the cost of heating a home or the large amount of money used to clean up an oil spill
Energy contained in the nucleus of an atom
Acid that is formed when sulfur and nitrogen gases produced by burning fossil fuels combine with water vapor in the air and then fall to Earth as rain
The addition of warm water into a steam or lake that is normally cold
Hydrogen gas burned as an energy source
A fuel formed from the decay of ancient forms of life
To use less of something
To make new objects or materials from old objects or materials