3rd Grade ICSE

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Last edited 36 days ago by Learn LoopHQ.

Answer key

Chapter: 16. The Earth

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Section A: Multiple Choice Questions (5 Marks)

Choose the correct option for each question.

What was the common belief about the Earth’s shape in olden days? a) Triangular b) Round c) Flat d) Square

Which explorer was the first to prove the Earth is round? a) Christopher Columbus b) Vasco da Gama c) Ferdinand Magellan d) Marco Polo

How much of the Earth’s surface is covered by water? a) One-fourth b) Half c) Three-fourths d) All of it

What is the layer of air around the Earth called? a) Hydrosphere b) Biosphere c) Lithosphere d) Atmosphere

Which date is Earth Day celebrated on every year? a) 5th June b) 22nd April c) 15th August d) 1st January

Section B: Fill in the Blanks (5 Marks)

Complete the following sentences with the correct word(s).

The Earth is flattened at its two _ _ _ _ _ _ _ _ _ _ _ _ _ _ _…

The Earth is called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _… because it is the only planet in the solar system that has life.

The atmosphere contains …_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ which is needed for both plants and animals to survive.

Without …_ _ _ _ _ _ _ _ _ _ _ _ _ _ _, there would be no plants and trees on land.

During the day, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _… block a part of the Sun’s rays.

Section C: True or False (5 Marks)

Write ‘True’ if the statement is correct and ‘False’ if it is incorrect.

The Earth is a perfect round sphere.

The South Pole is the flattened end at the top of the Earth.

The atmosphere protects Earth from the Sun’s harmful rays.

It is always too hot to live on Earth without clouds.

We should litter to help keep the Earth clean.

Section D: Short Answer Questions (6 Marks)

Answer the following questions in one or two sentences.

What is the North Pole?

____________________________________________________________________________________________________________

Why is water considered essential for all living things?

____________________________________________________________________________________________________________

Name two gases that make up the Earth’s atmosphere.

____________________________________________________________________________________________________________

Why is the Earth’s distance from the Sun important for life?

____________________________________________________________________________________________________________

Section E: Diagram-Based Question (3 Marks)

Observe the image description below and answer the questions.

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What does the blue part of the pie chart represent?

What does the green part of the pie chart represent?

Based on this chart, which covers more of the Earth’s surface, land or water?

____________________________________________________________________________________________________________

Section F: Long Answer Questions (6 Marks)

Answer the following questions in 4-5 sentences.

Explain how the Earth’s three unique features (air, water, and temperature) make life possible on it.

____________________________________________________________________________________________________________

List four ways in which you can personally contribute to taking care of Mother Earth.

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