NSCAS Review 2

Front

What is the main source of fossil fuels?

Back

Dead plants and animals.

Front

Which cycle includes evaporation, condensation, and precipitation?

Back

Water cycle.

Front

Which resource is nonrenewable?

Back

Fossil fuels.

Front

What is the main source of energy for life on Earth?

Back

Sun.

Front

What is the geologic time scale?

Back

A record of life forms through natural changes in Earth's history.

Front

What are fossil fuels?

Back

Natural substances formed from the remains of ancient plants and animals, used as energy sources.

Front

What is the water cycle?

Back

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

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished naturally, while nonrenewable resources cannot.

Front

What is solar energy?

Back

Energy from the sun that can be converted into thermal or electrical energy.

Front

What is biomass?

Back

Organic material that comes from plants and animals, used as a renewable energy source.