3rd Grade ICSE

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16. The Earth

Image Based Questions

Prepared by: learnloophq@gmail.com

Last edited 36 days ago by Learn LoopHQ.

Chapter: 16. The Earth

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Question 1

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What does this illustration represent about the Earth’s surface?

Based on the image, what is the proportion of water compared to land on Earth?

What is the outer blue layer surrounding the Earth in this diagram? Why is it important for life?

This illustration represents the composition of the Earth’s surface, showing the distribution of land and water, and the protective layer of air around it.

The image clearly indicates that three-fourths (3/4) of the Earth’s surface is covered by water, while one-fourth (1/4) is land.

The outer blue layer surrounding the Earth is the atmosphere. It is important for life because it contains vital gases like oxygen for breathing and also stops the Sun’s harmful rays from reaching the Earth’s surface.

Question 2

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What negative impact on the Earth does this picture show?

Name two specific types of pollution depicted in the image.

Why is it important for us to prevent the conditions shown in this picture?

This picture shows the negative impact of pollution on the Earth, depicting a planet that is suffering due to human activities like littering and industrial emissions.

Two specific types of pollution depicted are air pollution (from factory smoke) and water/land pollution (from plastic bottles and general trash).

It is important to prevent these conditions because the Earth is our home and provides all the necessary resources for life, such as clean air and water. If pollution continues, the planet would become unhealthy and unable to sustain life.

Question 3

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What historical discovery is illustrated by the ship’s journey around the Earth?

Who is famous for undertaking this type of voyage to prove a fact about Earth?

What crucial fact about Earth was definitively proven by this type of journey?

The ship’s journey around the Earth illustrates the historical discovery that the Earth is round, not flat.

Ferdinand Magellan is famous for undertaking this type of voyage, as he was the first person to successfully circumnavigate the globe.

The crucial fact definitively proven by this journey was that the Earth is spherical in shape, as sailing continuously in one direction eventually brings you back to your starting point.

Question 4

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Identify three positive actions shown in this picture that help care for the Earth.

Why is planting trees an important action for the environment?

How do the actions of turning off the tap and sorting recycling relate to the concept of not wasting resources?

Three positive actions shown are planting trees, recycling waste, and saving water by turning off a dripping tap.

Planting trees is an important action because trees provide oxygen, absorb carbon dioxide from the air, help prevent soil erosion, and provide habitats for various animals, all of which contribute to a healthier environment.

Both turning off the tap and sorting recycling directly relate to not wasting resources. Turning off the tap prevents the unnecessary loss of water, a vital resource, while recycling ensures that materials are reused rather than being thrown away, which saves raw materials and energy needed to make new products.

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