Science Review

1.   Natural resources are everything that Earth has. Including…

• ) Plants, animals water land, minerals

• plants, technology, food, and medicine

Renewable resources are those resources that can be replaced by a natural process…

• In a short period of time

• takes millions of years to reform again

Examples of renewable resources are:

• Natural gas, petroleum, and coal

• Water, air, animals, soil, and plants.

Nonrenewable resources are those resources that cannot be made by nature again because it takes…

• centuries to form
• days to form
• millions of years to form
• thousands of years to form

. Examples of nonrenewable resources are…

• Solar energy, wind energy, hydroelectric power
• Fossil fuels (coal, oil, natural gas), nuclear energy, minerals like copper and gold

Overfishing is when:

• Fish are caught using sustainable methods.
• Too many fish are taken out of the ocean.

Special animals have gone extinct due to overhunting.

• true

• false

A dormant volcano is very active.

• true

• false

A volcano spits out trees and animals.

• true

• false

A volcano is formed when hot liquid rock magma is forced up from Earth’s core through cracks in the crust.

• true

• false