Our Changing Earth Practice Questions

Class 7 · Social Science · 1181 free MCQs with instant results and detailed explanations.

1181

Total

364

Easy

565

Medium

252

Hard

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Topics in Our Changing Earth

Volcanoes 285

Lithospheric Plates 302

Weathering 294

Earthquakes 300

Sample Questions from Our Changing Earth

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Easy

Which of the following is NOT a type of plate boundary?

A. Divergent

B. Convergent

C. Transform

D. Static

Show Answer & Explanation

Correct Answer: D

Static is not a recognized type of plate boundary; the three main types are divergent, convergent, and transform.

Easy

Which plate is known to be the largest tectonic plate?

A. North American Plate

B. Eurasian Plate

C. Pacific Plate

D. African Plate

Show Answer & Explanation

Correct Answer: C

The Pacific Plate is the largest tectonic plate, covering a significant portion of the Pacific Ocean.

Easy

What happens at a divergent plate boundary?

A. Plates collide

B. Plates move apart

C. Plates slide past each other

D. Plates float on magma

Show Answer & Explanation

Correct Answer: B

At divergent plate boundaries, tectonic plates move apart from each other, creating new crust.

Medium

What is the primary driver of plate tectonics in the Earth's lithosphere?

A. Convection currents in the mantle

B. Gravitational pull

C. Magnetic forces

D. Solar radiation

Show Answer & Explanation

Correct Answer: A

The movement of tectonic plates is primarily driven by convection currents in the Earth's mantle, which create forces that push and pull the plates.

Medium

Which of the following boundaries is characterized by plates moving apart?

A. Transform boundary

B. Convergent boundary

C. Divergent boundary

D. Subduction zone

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Correct Answer: C

At divergent boundaries, tectonic plates move away from each other, often leading to the formation of new crust, such as at mid-ocean ridges.

Medium

What type of landform is typically formed at convergent boundaries?

A. Mid-ocean ridges

B. Mountain ranges

C. Plateaus

D. Volcanoes on oceanic ridges

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Correct Answer: B

Convergent boundaries often lead to the formation of mountain ranges due to the collision of tectonic plates, especially when two continental plates collide.

Medium

Which layer of the Earth do tectonic plates comprise?

A. Core

B. Mantle

C. Crust

D. Outer core

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Correct Answer: C

Tectonic plates are rigid sections that make up the Earth's crust, floating on the semi-fluid upper mantle beneath.

Hard

Which of the following is NOT a type of plate boundary?

A. Convergent

B. Divergent

C. Transform

D. Dispersive

Show Answer & Explanation

Correct Answer: D

Dispersive is not a recognized type of plate boundary; the three main types are convergent, divergent, and transform.

Hard

What is the primary force driving the movement of tectonic plates?

A. Gravity

B. Solar radiation

C. Earth's rotation

D. Convection currents in the mantle

Show Answer & Explanation

Correct Answer: D

Convection currents in the mantle cause the plates to move due to the heat from the Earth's core.

Q10

Hard

Which geological feature is typically formed at a convergent plate boundary?

A. Mid-ocean ridge

B. Mountain range

C. Rift valley

D. Volcanic island arc

Show Answer & Explanation

Correct Answer: B

A convergent boundary often results in the formation of mountain ranges due to the collision of tectonic plates.

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Our Changing Earth — Class 7 Social Science Practice Questions Online

This page contains 1181 practice MCQs for the chapter Our Changing Earth in Class 7 Social Science. The questions are organized by difficulty — 364 easy, 565 medium, 252 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 4 topics, giving you comprehensive coverage of the entire chapter.