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Earth's Structure — Practice Quiz

ICSE · Class 9 · Geography

Try a 4-question quiz on Earth's Structure for ICSE Class 9 Geography: tap an answer to check it and see why. 51 questions in the full chapter test.

51 questions34 flashcards4 formulas & key relations5 concepts

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A cross-section diagram showing the Earth's main layers: Crust, Mantle (Upper and Lower), and Core (Outer and Inner), with their approximate depths and key compositions.
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Quick Quiz: Earth's Structure

0/4

Tap an answer to check it instantly. No sign-up needed for these 4.

1

What are the three main parts of the Earth?

2

What does the word Lithosphere mean?

3

Which two layers make up the crust?

4

Sial is mainly composed of which elements?

51 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice
1 marks

Sima is mainly composed of which elements?

Show answer

Silica and magnesium

Sima is the lower continuous layer of the crust and is rich in silica and magnesium.

2multiple choice
1 marks

The crust is thickest beneath which feature?

Show answer

The mountains

The crust is thickest beneath mountains and thinnest under the ocean.

3multiple choice
1 marks

What is the average density of the Earth?

Show answer

5.5

The average density of the Earth is 5.5.

4multiple choice
1 marks

Which layer lies between the crust and the core?

Show answer

Mantle

The mantle is the layer between the crust and the core.

+47 more questions on Earth's Structure (ICSE Class 9 Geography)

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Frequently Asked Questions

What are the important topics in Earth's Structure for ICSE Class 9 Geography?
Key topics in Earth's Structure include Earth’s Interior: Main Layers, Crust: Lithosphere, Sial, and Sima, Temperature, Pressure, and Density Inside Earth, Mantle: Position, Extent, and Parts. Study these first, then practise questions on each for Class 9 exams.
How many practice questions are there for Earth's Structure?
There are 51 questions on Earth's Structure. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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