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100

A device that contains a wheel with blades that rotate by the pressure of moving water, steam, or air. 

What is turbin? 

100

A device that changes the energy of motion into electrical energy. 

What is a generator? 

100

The original source. 

What is primary? 

100

Something made for a particular purpose. 

What is a device? 

100

A material that releases energy as heat when it burns.  

What is fuel? 

200

The process of burning a fuel to produce heat and light.

What is combustion? 

200

Stores chemical energy and can convert that energy into electrical energy.  

What is a battery? 

200

sun

How is solar energy created? 

200

Coal, petroleum, and natural gas

What are fossil fuels? 

200

Wind, sun, plants

What is a natural resource? 

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