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8th Grade Science Quiz: Earth's Layers and Density

Authored by Diane Barnhart

Science

8th Grade

Used 6+ times

8th Grade Science Quiz: Earth's Layers and Density
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37 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the characteristics of the Earth's mantle?

Cold, liquid layer beneath the Earth's crust and above the outer core

Layer of ice covering the Earth's crust

Thin layer of gas surrounding the Earth's surface

Hot, solid rock layer beneath the Earth's crust and above the outer core

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the temperature change as you move deeper into the mantle?

The temperature fluctuates

The temperature decreases

The temperature increases

The temperature remains the same

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the different types of seismic waves?

Primary waves, Secondary waves, and Tertiary waves

Up-waves, Down-waves, and Sideways waves

A-waves, B-waves, and C-waves

P-waves, S-waves, and surface waves

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do primary (P) waves differ from secondary (S) waves?

P waves travel faster and can only pass through solids, while S waves travel slower and can pass through solids and liquids.

P waves and S waves travel at the same speed but can pass through different materials.

P waves travel faster and can pass through solids and liquids, while S waves travel slower and can only pass through solids.

P waves travel slower and can only pass through solids, while S waves travel faster and can pass through solids and liquids.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of surface waves in seismic activity?

Surface waves have no impact on seismic activity

Surface waves cause the most destruction during an earthquake.

Surface waves are only felt by animals and not relevant to seismic activity

Surface waves only affect the ocean and not seismic activity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do seismic waves behave as they travel through different layers of the Earth?

Seismic waves increase in temperature

Seismic waves change color

Seismic waves change speed and direction

Seismic waves stop completely

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factors affect the speed and direction of seismic waves?

Temperature and pressure

Color and shape of the materials

Density and composition of materials

Distance from the earthquake epicenter

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