Energy Review/ Spiral 2 (Science SOL 6.4)

Front

What is energy conversion?

Back

The process of changing energy from one form to another, such as electrical energy to heat energy.

Front

What type of energy conversion occurs in a toaster?

Back

Electrical energy is converted to heat energy.

Front

Why is Earth's energy budget important?

Back

It determines our climate on Earth.

Front

What is the greenhouse effect?

Back

The process by which certain gases in Earth's atmosphere trap heat, keeping the planet warm.

Front

What is global warming?

Back

The increase in Earth's average temperature due to excess greenhouse gases in the atmosphere.

Front

What is the primary source of excess greenhouse gases?

Back

Burning fossil fuels for energy.

Front

What does a generator do?

Back

It transforms mechanical energy into electrical energy.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What are fossil fuels?

Back

Natural substances like coal, oil, and natural gas that are used as energy sources.

Front

What is radiant energy?

Back

Energy that travels in waves, such as light energy from the sun.