Page 103 - Journeys Through Society-7

4. High tides are called _____________ tides.
4. a b c d
a. spring b. neap
c. heavy d. none of these

5. This is the primary source of freshwater.
a. Ocean b. Snow
5. a b c d
c. Rain d. Pond

NEP Aligned

Understanding Based Questions

A. Fill in the blanks:
1. _______________ is the primary source of freshwater.
2. _______________ make up 71 per cent of the Earth's surface.
3. _______________ are extremely dangerous and destructive waves.
4. Meeting of cold and warm ocean currents creates the ideal condition for _______________ to breed.
5. _______________ is a coastal desert formed due to the influence of a cold current.

B. Answer the following questions in short:
1. What is water conservation?
2. What is the difference between tides and waves?
3. What are warm ocean currents?
4. What are cold ocean currents?
C. Answer the following questions in detail:

1. List the uses of water.
2. What steps can we take to conserve water?
3. What do you know about tides?
4. Explain the importance of tides.

HOTS (Critical Thinking)
Why do ships prefer to sail with the currents?

Skill Based Questions

A. On an outline map of the world mark the following ocean currents :
Labrador current, Gulf Stream, North Pacific current, Peruvian current.
B. Explore the internet and find out the information about destruction of life and property caused by the
tsunami that affected India in 2004.

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