Protecting Resources

All the activities that people do that leave a lasting mark on Earth is called

• A. conservation

• B. sustainability

• C. a carbon footprint

The protection and wise use of Earth’s natural resources is called

• A. conservation

• B. sustainability

• C. a carbon footprint

Living in a way so people in the future can meet their needs with Earth’s resources is called

• A. conservation

• B. sustainability

• C. a carbon footprint

Which statement explains a reason why saving water is so important?

• A. Most of the water on Earth is frozen in glaciers.

• B. Polluted water can harm people, animals, and fish.

• C. . People do not need to use large amounts of water to survive.

• D. Most of the water on Earth is salt water and is not able to be used.

What effect does cutting down more and more forests for lumber and farming have on the environment?

• A. It causes landfills to fill up very quickly.

• B. It causes bodies of water to become polluted.

• C. It causes plants and animals to lose their habitats.

• D. It causes carbon dioxide to be removed from the atmosphere.

Which statement gives an example of an animal that could become extinct because of changes to its environment?

• A. More gardens are planted to create new habitats for birds.

• B. Global warming has caused the ice where polar bears live to melt.

• C. More wildlife protection groups are helping to save the panther population.

• D. Pollution has caused people to clean up the streams where the steelhead trout mates.

Derrick makes a pencil holder out of an empty glass jar of jelly.

• Reduce

• Reuse

Chang brings a washable fork and spoon from home in her lunchbox.

• Reduce

• Reuse

Spencer separates the trash so he can take items to be recycled.

• Reduce

• Reuse

Natalia refills her plastic water bottle instead of buying a new one.

• Reduce

• Reuse