class 5 sst. Conserving our environment.

CONSERVING OUR ENVIRONMENT

A. Match the columns:

a) air pollution Paper and leaves

b) land pollution burning petrol c)water pollution fertilizers

d)biodegradable plastic

e) non biodegradable sewage from factories

B. Write true or false. If it is false correct the sentence and write it.

1. When you use a plastic bottle to store water in the refrigerator you are
   reusing the bottle
2. Trees take in oxygen and give out carbon dioxide.
3. When waste is not disposed properly, germs and disease spread.
4. Water pollution affects only plants living in the water.
5. Glass pieces found in the waste will rot over time.
6. Everything around us makes up our family.
7. Burning of fuels causes air pollution
8. Waste paper is non – bio degradable
9. Rotting of leaves can produce manure called fertilizer.