HMH INTO SOCIAL STUDIES: PROTECTING RESOURCES ASSESSMENT

WHAT ARE TWO WAYS AIR POLLUTION IS CAUSED?

• Outdoor pollutants like cars and factories.

• Animal waste.

• Indoor pollutants like aerosol sprays, paint and dust.

• The lack of recycling in communities.

WHY IS 97% OF EARTH'S WATER UNDRINKABLE?

• It's too salty.

• There's not enough.

• It's polluted.

• It's too hard to get.

List 2-3 ways you and your family can conserve (save) water.

Read the following paragraph, then answer the question.

People are building more and more new homes and roads. They are cutting down more and more forests for lumber and farming. Often, plants and animals lose their habitats (places where they live). When plants and animals lose their habitats, they may become endangered. We say a plant and animal species is endangered if there's not enough left to populate their habitat. We call it extinct where the animals and plants dies off.

Question: What happens to plants and animals as people begin to destroy their habitats?

• They become extinct.

• They can become endangered.

• The animals and plants move to another habitat.

• Humans will stop interfering.

Derrick makes a pencil holder out of an empty glass jar of jelly. He is ​ (a)  

• reusing
• reducing

Chang brings a washable fork and spoon from home in her lunchbox. ​ He is (a)  

• reducing
• reusing

Natalia refills her plastic water bottle instead of buying a new one. She is​ (a)  

• reusing
• reducing

Explain two reasons why recycling is important.