1. Which part of the atmosphere screens out the harmful radiation from the sun?

2. Which 174 English Act of parliament was designed to protect the Environment?

3. What gas emitted by power stations causes acid rain?

4. What is the term used for something that will break down naturally?

5. What cancer causing chemical is found in unleaded petrol?

6. What is the term used to describe renewable ecologically safe sources of energy?

7. What is the name of the device fitted to car exhausts to reduce pollution?

8. What is the term used for pest control by natural predators?

9. What nitrogen containing chemical in artificial fertilisers can cause pollution?

10. What is the term for the complete disappearance of a species?

ANSWERS 

1. The Ozone Layer

2. The Control of Pollution Act

3. Sulphur Dioxide

4. Biodegradable

5. Benzene

6. Alternative Energy

7. Catalytic Converters

8. Biological Control

9. Nitrate

10. Extinction