Science - Chapter 5 Review

Front

What do fossils tell us about?

Back

Fossils tell us about plants and animals of the past and how Earth has changed.

Front

What is something that is burned for its energy called?

Back

Fuel.

Front

What type of resources are natural gas and oil?

Back

Nonrenewable resources.

Front

What is soil made of?

Back

Soil is a mixture of tiny rocks, minerals, and decayed materials from plants and animals.

Front

What is coal classified as?

Back

Coal is a nonrenewable resource because it cannot be reused or replaced in a useful amount of time.

Front

What are renewable resources?

Back

Renewable resources are resources that can be replenished naturally over time.

Front

What is a natural resource?

Back

A natural resource is something found in nature that is useful to people.

Front

What is pollution?

Back

Pollution is the introduction of harmful substances into the environment.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replaced naturally, while nonrenewable resources cannot be replaced in a useful amount of time.

Front

Give an example of a fossil fuel.

Back

Coal, oil, and natural gas are examples of fossil fuels.