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V. Answer the following questions in three to six sentences.

1. Write about the importance of water.

2. What is soil? How is it formed?

3. What happens if there is no air? How does the air help in controlling the

earth’s temperature?

4. Write about fossils and fossil fuels.

5. What is the conservation of natural resources? Why should we conserve

natural resources?

Let’s Communicate

Name a few man-made and natural things you see around you.

H TS Critical Thinking

What happens if we use up all of the world’s coal and there is none left?

Know More

Polyblend is a fine powder made of recycled plastic waste. Plastic manufacturers

created it to reuse plastic waste. It is blended with bitumen and used to build
roads that last longer.

Ahmed Khan, a Bangalore-based plastic bag producer, created polyblend in 1998.

Let’s Know General Awareness

Identify the natural resources and write ‘R’ for renewable and ‘N’ for
non-renewable resources in the boxes given below.

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