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B. Fill in the blanks :

1. The second largest continent is _____________________.
2. The deepest part of the earth is _____________________ in the Pacific Ocean.

3. The combined land mass of Asia and Europe is called _____________________.
4. The domain of water on the earth’s surface is called _____________________.
5. The earth is surrounded by a layer of _____________________ called the __________________.

C. Write ‘T’ for true and ‘F’ for false :

1. The Pacific Ocean is the largest ocean.
2. Biosphere contains land, water and air.

3. Asia is the largest continent.
4. North America is surrounded by the Pacific ocean in the west.
5. Nitrogen gas is used by plants as a fertilizer.

D. Match the following :

Column 'A' Column 'B'

1. Arctic ocean (a) Island continent
2. North America (b) Includes all living things
3. Australia (c) Earth’s solid surface, rocks and soil

4. Biosphere (d) Isthmus
5. Lithosphere (e) Icebergs

E. Answer these Questions :

1. Name four major domains of the Earth.
2. What is hydrosphere?
3. Which are major continents of the Earth?

4. Explain the third largest continent.
5. What is an atmosphere?
6. What is the importance of oceans?

7. What is isthmus?
8. Explain the Arctic ocean.
9. Explain the location and features of Asia.

10. What is biosphere? Explain its importance.

Life Skills and Value (Activity)

• Cut the outline of the continents, oceans from an outline map of the world and arrange them
according to their decreasing sizes.

• Make a poster showing biosphere.

26 Social Studies-6