Some Natural Phenomena-Earthquakes (CBSE Class-8 Science): Questions 1 - 7 of 17

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Question number: 1

» Some Natural Phenomena » Earthquakes » A Seismograph

MCQ▾

Question

Seismic waves of earthquake can be detected with a sensitive instrument called as:

Choices

Choice (4) Response
a.

Seismograph

b.

Richter scale

c.

Electroscope

d. All of the above

Question number: 2

» Some Natural Phenomena » Earthquakes » What Causes an Earthquake?

MCQ▾

Question

Boundaries of the tectonic plates are weak zones. These weak zones are called as:

Choices

Choice (4) Response
a.

Fault zone

b.

Seismic zone

c. Both a. and b. are correct
d. None of the above

Question number: 3

» Some Natural Phenomena » Earthquakes » What Causes an Earthquake?

MCQ▾

Question

Major cause of the earthquake is:

Choices

Choice (4) Response
a.

Movement of the tectonic plates

b.

Movement of the middle layer of earth

c.

Movement of the earth

d. Question does not provide sufficient data or is vague

Question number: 4

» Some Natural Phenomena » Earthquakes » Structure of the Earth

MCQ▾

Question

Innermost layer core of the earth consists of:

Choices

Choice (4) Response
a.

Solid iron and nickel

b.

Silicate rock

c.

Molten iron and nickel

d. Both a. and c. are correct

Question number: 5

» Some Natural Phenomena » Earthquakes » Protection Against Earthquakes

MCQ▾

Question

If you are in a coastal area what to do during an earthquake?

Choices

Choice (4) Response
a.

In coastal areas move to high ground

b.

Move to lower land

c.

Move away from sea

d. Both a. and c. are correct

Question number: 6

» Some Natural Phenomena » Earthquakes » Richter Scale

MCQ▾

Question

A scale used to measure the magnitude of earthquake is:

Choices

Choice (4) Response
a.

Lightning conductor

b.

Richter scale

c.

Seismograph

d.

Electroscope

Question number: 7

» Some Natural Phenomena » Earthquakes » Protection Against Earthquakes

MCQ▾

Question

To avoid injuries during earthquakes put heavy objects and breakable items in:

Choices

Choice (4) Response
a.

Lower cabinets

b.

Upper cabinets

c.

Lower cabinets with latches

d. Question does not provide sufficient data or is vague

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