UNIT D: ENERGY

Front

What does the Law of Conservation of Energy state?

Back

Energy cannot be created or destroyed. It only changes forms.

Front

Which of the following is NOT a renewable energy source?

Back

Coal

Front

What is the main advantage of renewable energy sources?

Back

They will not run out.

Front

How do reflecting films on car windows help keep the interior cool?

Back

By reflecting sunlight.

Front

Which list consists of only renewable energy sources?

Back

Wind, solar, hydro, tidal.

Front

Define renewable energy.

Back

Energy that is collected from resources that are naturally replenished, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Front

What is an example of a non-renewable energy source?

Back

Coal, oil, natural gas.

Front

What is solar energy?

Back

Energy harnessed from the sun's rays.

Front

What is wind energy?

Back

Energy generated from the movement of air.

Front

What is hydroelectric energy?

Back

Energy produced from the movement of water.