OCEANS AND CONTINENTS
(QUESTION ANSWERS)
________________________________________________________________
1. Explain the following terms:
(a) Continent
Answer:
- A
continent is a large continuous expanse of land on the Earth.
- Continents
together form the major landmasses of the world.
- There
are seven commonly accepted continents:
- Asia
- Africa
- North
America
- South
America
- Europe
- Australia
- Antarctica
- Continents
differ in size, climate, population, and natural features.
- Asia
is the largest continent, while Australia is the smallest continent.
(b) Ocean
Answer:
- Oceans
are the largest water bodies found on the Earth.
- Nearly
three-fourths of the Earth’s surface is covered with water, which makes
Earth appear as the “Blue Planet.”
- The
five major oceans are:
- Pacific
Ocean
- Atlantic
Ocean
- Indian
Ocean
- Arctic
Ocean
- Southern
Ocean
- Oceans
regulate climate and support marine life.
- They
play an important role in rainfall, trade, transport, and fishing.
(c) Island
Answer:
- An
island is a piece of land surrounded by water on all sides.
- Islands
are smaller than continents.
- There
are lakhs of islands across the world.
- Greenland
is the largest island in the world.
- India
has two major island groups:
- Andaman
and Nicobar Islands
- Lakshadweep
Islands
2. Let us draw – Without looking at the
maps in this chapter, draw the continents free hand on a sheet of paper and
colour them. Then compare your drawing with the map of oceans and continents in
the chapter.
Answer:
Steps for Drawing Continents:
- Draw
the outline of the seven continents on a blank sheet.
- Label
all the continents clearly:
- Asia
- Africa
- Europe
- North
America
- South
America
- Australia
- Antarctica
- Use
different colours for each continent.
- Shade
oceans with blue colour.
- Compare
the drawing with the textbook map and identify:
- Relative
sizes of continents
- Shapes
of continents
- Position
of oceans and continents
- Observe
that Asia is the largest continent and Australia is the smallest.
3. Let us do – On the outline map of the
world given below, label all the continents and oceans.
Answer:
Continents to Label:
1.
Asia
2.
Africa
3.
Europe
4.
North America
5.
South America
6.
Australia
7.
Antarctica
Oceans to Label:
1.
Pacific Ocean
2.
Atlantic Ocean
3.
Indian Ocean
4.
Arctic Ocean
5.
Southern Ocean
4. Solve this Crossword
Across
1. Abundantly produced by the oceans
Answer: Oxygen
3. A large expanse of landmass
Answer: Continent
6. A large continent of which India is a
part
Answer: Asia
8. A major source of pollution of the
oceans
Answer: Plastic
10. The coldest continent
Answer: Antarctica
Down
2. The largest island on Earth
Answer: Greenland
4. A huge destructive wave from the ocean
Answer: Tsunami
5. The smallest continent
Answer: Australia
7. The largest body of water on the Earth
Answer: Pacific
9. A landmass (but not a continent)
surrounded by the sea or ocean
Answer: Island
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