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SNS Grade 7: Chapter 3 - Our Changing Earth

Authored by Annapoorna Nair

Geography

7th Grade

Used 6+ times

SNS Grade 7: Chapter 3 - Our Changing Earth
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False

  1. Sea waves are primarily responsible for the formation of glaciers.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False

The focus of an earthquake is located on the Earth's surface.

True

False

Answer explanation

The focus is located within the Earth's crust, while the epicenter is on the surface.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False

An ox-bow lake is formed by wind erosion.

True

False

Answer explanation

An ox-bow lake is formed by river erosion and deposition, not by wind.

4.

OPEN ENDED QUESTION

3 mins • Ungraded

If a city is located near a plate boundary, what precautions should its government take to minimize earthquake damage?

Evaluate responses using AI:

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Answer explanation

To minimize earthquake damage, the government should:

  • 1. Build Strong Structures: Use materials and designs that can withstand shaking.

  • 2. Prepare People: Conduct regular drills and educate the public on safety measures.

  • 3. Early Warning Systems: Create scientific innovations that can alert people before the earthquake hits.

For example, during an earthquake, well-built buildings would sway but not collapse, reducing injuries and deaths.

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The process that involves the wearing away of Earth's surface by wind, water, and ice is called _______

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The process in which a river creates a winding course due to erosion and deposition is known as _______.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The origin of the seismic energy is called ______________.

Answer explanation

In an earthquake, the seismic waves radiate out in all directions. But it originates or occurs at the focus.

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