1. Plants give off carbon dioxide into the air.

2. Plants give off oxygen into the air.

3. Plants need air to make loam soil.

4. Plants need carbon dioxide to make
their food.

5. Air is odourless.

1. Name two things that could happen on a windy day.

2. Write down three air-borne diseases that are caused
by bacteria.

3. Write down three things you can do to prevent air-borne
diseases from spreading.

4. Your teacher will give you a piece of A3 white paper to
design a poster to put up in the bathrooms at school.
Your poster must be colourful and eye-catching to help
other pupils at your school to stop the spread of airborne
diseases.

5. Write down three air-borne diseases that are caused by a virus.

2. Which sources of water could be polluted?

3. Which source of water would you drink from?

5. Which two things in the pictures could be unhealthy? Why?

6. Can you think of two more things that you could use water for?

7. Name five things that humans use water for.

8. Name two things that animals use water for.

1. Name five sources of water that you know.

4. Write down six different things that the people are using the water for.

1. Write down three things that you think are the worst way to
contaminate water.

2. Write down what you could do to help stop some of the
contamination.

3. Write down an easy way to make a water.

4. Write down two other ways to purify water.