CBSE Class 4 Social Science Continents and Oceans Worksheet Set 01

Answer: (b) Asia. Asia covers about one-third of all the land on Earth.

Teacher's Note:
1. Asia is larger than every other continent in both area and population.
2. Africa is the second largest, so it is a common wrong choice.

Answer: (c) Africa. Africa got this name because much of its interior was unknown to the outside world for a long time.

Teacher's Note:
1. The name refers to how little was known about the inside of the continent, not to its sunlight.
2. Antarctica is called the White Continent, so do not mix the two.

Answer: (b) Indian Ocean. The Indian Ocean takes its name from India.

Teacher's Note:
1. India juts into this ocean from the north, which is how it got its name.
2. The other three oceans are named after other things, not countries.

Answer: (a) Isthmus of Panama. The Isthmus of Panama is a thin land bridge between the two continents.

Teacher's Note:
1. An isthmus is a narrow strip of land with water on both sides.
2. The Suez Canal is a man-made waterway, not a land bridge.

Answer: (c) 70 percent. Water covers roughly 70 percent of the Earth, which is why it is called the Blue Planet.

Teacher's Note:
1. Land makes up only the remaining 30 percent or so.
2. Most of this water is salty ocean water.

Answer: (b) Australia. Australia is the smallest of the seven continents by area.

Teacher's Note:
1. It is the only continent that is also a single country.
2. Europe is also small but is larger than Australia.

Answer: Atlantic. It stretches in a long S-shaped curve between the Americas and Europe and Africa.

Teacher's Note:
1. Look at the ocean's outline on a globe and it bends like a letter S.
2. The Atlantic is the second largest ocean.

Answer: Pacific. It is larger than all the land on Earth put together.

Teacher's Note:
1. The Pacific Ocean covers about one-third of the Earth's surface.
2. It also contains the deepest place in the ocean, the Mariana Trench.

Answer: Antarctica. It is called the White Continent because of its thick ice sheet.

Teacher's Note:
1. Antarctica is the coldest continent and has no permanent human settlements.
2. Only scientists stay there for research for some months.

Answer: Africa. The Nile flows northward through Egypt into the Mediterranean Sea.

Teacher's Note:
1. The Nile is one of the longest rivers in the world.
2. It is often counted as the longest or second longest river.

Answer: True. They share one landmass called Eurasia, though they are counted as two continents.

Teacher's Note:
1. The Ural Mountains are commonly taken as the boundary between them.
2. Many geographers therefore call the combined landmass Eurasia.

Answer: False. The Mariana Trench is in the Pacific Ocean.

Teacher's Note:
1. It is the deepest known part of any ocean.
2. Remember that the Pacific is both the largest and the deepest ocean.

Answer: True. Sea level is the same everywhere, so it is used as the common starting point for measuring height.

Teacher's Note:
1. Using one fixed starting point lets us compare heights of places in different regions.
2. For example, Mount Everest is about 8,849 metres above sea level.

Answer: False. There are five oceans: Pacific, Atlantic, Indian, Southern and Arctic.

Teacher's Note:
1. The Southern Ocean surrounds Antarctica and is recognised as the fifth ocean.
2. Older books list only four oceans, but five are now accepted.

Answer: 1. Asia 2. Africa 3. North America 4. South America 5. Antarctica 6. Europe 7. Australia (also called Oceania).

Teacher's Note:
1. A continent is a very large continuous area of land.
2. You can remember the list by sorting them from largest to smallest.

Answer: 1. Pacific Ocean 2. Atlantic Ocean 3. Indian Ocean 4. Southern Ocean 5. Arctic Ocean.

Teacher's Note:
1. An ocean is a vast body of salty water.
2. The Pacific is the largest and the Arctic is the smallest.

Answer: Asia, Africa, Europe, Australia. Asia is the biggest and Australia is the smallest of the four.

Teacher's Note:
1. Asia is larger than Africa, and Africa is much larger than Europe.
2. Australia is the smallest continent of all.

Answer: (a) Antarctica (b) South America (c) Pacific Ocean (d) Asia.

Teacher's Note:
1. The Andes are the longest mountain range on land and lie along western South America.
2. India is a country in the continent of Asia.

Answer: A continent is a very large area of land surrounded mostly by water. There are seven continents.

Teacher's Note:
1. Continents differ in size, climate, plants and animals.
2. Asia is the largest and Australia the smallest.

Answer: An ocean is a huge body of salty water. Oceans give us fish, salt and sea routes for ships, and they influence rainfall and climate.

Teacher's Note:
1. Oceans cover most of the Earth.
2. Water from oceans evaporates and later falls as rain.

Answer: The level of the sea is nearly the same everywhere. Using it as the zero mark gives one common starting point, so heights of different places can be compared fairly.

Teacher's Note:
1. Land surfaces are uneven, so they cannot be used as a starting line.
2. The sea surface works because water settles at about the same level everywhere.

Answer: 1. It is the largest continent. 2. India, China and Japan are in Asia. 3. It has the highest mountain, Mount Everest, and the largest population.

Teacher's Note:
1. Asia has many different climates, from cold in the north to hot in the south.
2. It contains more than half of the world's people.

Answer: 1. Oceans cover about 70 percent of the Earth. 2. Ocean water is salty. 3. The Pacific is the largest and deepest ocean.

Teacher's Note:
1. Oceans also hold many living things, from tiny plants to huge whales.
2. They are connected to each other, forming one world ocean.

Answer: Indian Ocean: Arabian Sea and Bay of Bengal. Atlantic Ocean: Caribbean Sea and Mediterranean Sea.

Teacher's Note:
1. A sea is a smaller part of an ocean that is partly enclosed by land.
2. Both the Arabian Sea and the Bay of Bengal lie on either side of India.