4th g h,w week Nov 14 -Topic 2 Human Uses of Energy

Front

What is a turbine?

Back

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

Front

What is combustion?

Back

The burning of a fuel to produce heat and light.

Front

What is a generator?

Back

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

Front

What is one similarity between nonrenewable and renewable energy sources?

Back

They both can be used to heat homes.

Front

What are greenhouse gases?

Back

Gases that make the atmosphere able to hold more heat, such as carbon dioxide and water vapor.

Front

What is renewable energy?

Back

Energy that comes from sources that can be replenished naturally, like solar or wind energy.

Front

What is nonrenewable energy?

Back

Energy that comes from sources that cannot be replenished in a short period, like coal or oil.

Front

What is hydropower?

Back

Energy generated from the movement of water.

Front

What is the role of a scrubber?

Back

A device that removes pollutants from industrial exhaust.

Front

What is the function of a battery?

Back

A device that stores chemical energy and converts it to electrical energy.