Resources that can be replenished in a lifetime

Formed hundreds of millions of years ago from the decomposed remains of dead organisms. They are burned for energy:

The remains or traces of an animal or a plant from millions of years ago that have been preserved as rock

Toxins that can harm living things and damage the natural environment

Resources that cannot be replenished by natural processes. They are all gone once they are used up:

The waste and remains of plants and animals:

Part of the soil that is made up of decayed plants and animals:

Which fossil fuel is solid and is most often used to produce electricity and heat?

Which fossil is used to produce gasoline, diesel, lubricants and plastics?

Which fossil fuel is odorless and colorless and is a major source of energy for heating and cooking in homes?

How long does it take fossil fuels to form?

Which of the following is NOT an alternative energy source?

Which form of energy refers to radiant energy captured by the sun?

Which form of energy refers to energy producing by moving water?

Where do humans get most of their energy from?

organic layer of soil made up of dead plants and animal matter

known as the topsoil, contains organic matter, dark in color

known as subsoil, little organic matter

large pieces of weathered rock deep underground

Bedrock layer

What are some ways you can help conserve energy?