McGraw-Hill Science Return to Book List
Lightning
Grade 5
Science Magazine & World of Science
 
Ecosystems Around the World, Topic 3: Cycles of Life
The Human Touch
Keyword: PEOPLE

Did You Know...
One quart of motor oil can pollute 2 million gallons of drinking water!
 

EPA Explorers Club: You and Your Environment

What can you do to help the environment? Find out at this site from the EPA, the Environmental Protection Agency. Be sure to click What's Wrong With This Picture to learn about water pollution. Then, visit Recycle City.

Questions

  1. What is the right way to get rid of used motor oil?

  2. Why is recycling important?

  3. Name three things you can do to help the environment.

    4.  

The Ozone Layer

What is the ozone layer? Why is it important? Learn the answers on this page, which comes from the government of Canada.

Questions

  1. What is the ozone layer? Why is it important for life on Earth?

  2. What has damaged the ozone layer?

  3. Can the ozone layer be repaired? If so, how?

    4.