8.3 - 15.2 Worksheet

1. Trees absorb ______, so they help reduce air pollution.

• C. carbon footprint
• B. carbon dioxide
• D. water
• A. oxygen

2. Climate change and pollution are damaging _____ reefs around the world.

• D. ocean
• C. danger
• A.   coral
• B. fish

3. We must ______ wildlife by keeping their homes safe.

• C. build
• B. send
• D. admire
• A. protect

4. A healthy ecosystem is important for all living things to_____.

• C. save
• B. survive
• D. see
• A. serve

5. Many endangered species need special care to _____ extinction.

• C. produce
• B. protect
• D. avoid
• A. be

6. ______ is a marine animal that is at risk due to habitat loss.

• C. Dugong
• B. Eagle
• D. Ocean
• A. Tiger

7. Cutting down forests destroys the ______ of many animals.

• D. system
• C. substance
• A.   species
• B. habitat

8. We should lower our ______ by using public transport and saving energy.

• C. balance
• B. energy
• D. time
• A. carbon footprint

9. Plants _____ oxygen, which humans and animals need to breathe.

• C. prevent
• B. produce
• D. prohibit
• A. protect

10. Everyone should _____ in environmental protection efforts.

• C. take
• B. go
• D. participate
• A. keep