Renewable and Nonrenewable Unit 2.3 Review

Front

What is solar energy?

Back

Solar energy is energy that comes from the sun and can be converted into heat or electricity.

Front

What is a nonrenewable energy resource?

Back

A nonrenewable energy resource is an energy source that will run out in the next several hundred years, such as fossil fuels.

Front

What is coal?

Back

Coal is a type of fossil fuel that is mined from the ground and used for energy.

Front

Why are fossil fuels considered nonrenewable?

Back

Fossil fuels are considered nonrenewable because they take millions of years to replace.

Front

What is a renewable energy resource?

Back

A renewable energy resource is an energy source that can be replenished naturally, such as solar or wind energy.

Front

Give an example of a renewable resource.

Back

An example of a renewable resource is solar energy.

Front

What is the main problem with solar energy?

Back

The main problem with solar energy is that it is expensive to build the infrastructure.

Front

What are fossil fuels?

Back

Fossil fuels are natural substances formed from the remains of ancient plants and animals, used for energy.

Front

What is biomass?

Back

Biomass is organic material that comes from plants and animals, used as a renewable energy source.

Front

What is wind energy?

Back

Wind energy is energy generated from the wind using turbines.