Ch.9 Energy Resources Practice Test

Front

What are substances that provide energy as the result of a chemical change?

Back

Fuels

Front

What is an advantage of solar energy?

Back

It will not run out for billions of years.

Front

What is the process of burning a fuel to change chemical energy into thermal energy called?

Back

Combustion

Front

What does efficiency refer to in energy usage?

Back

The percentage of energy that is actually used to perform work.

Front

Why are fossil fuels considered energy-rich?

Back

Because they contain hydrocarbons.

Front

What is the main source of energy for the Earth?

Back

The Sun.

Front

What is renewable energy?

Back

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

Front

What is non-renewable energy?

Back

Energy that comes from sources that will run out or will not be replenished in our lifetimes, such as fossil fuels.

Front

What is the greenhouse effect?

Back

The warming of the Earth’s surface due to the trapping of heat by greenhouse gases.

Front

What are hydrocarbons?

Back

Compounds made of hydrogen and carbon, which are the primary components of fossil fuels.