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Unit 3 Test Review

Authored by Brittany Bennett

Science

8th - 10th Grade

Used 81+ times

Unit 3 Test Review
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29 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In which area of Earth's interior is the pressure most likely to be 2.5 million atmospheres?

asthenosphere

stiffer mantle

inner core

outer core

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which statement best describes Earth's crust and mantle?

the crust is thicker and less dense than the mantle

the crust is thicker and more dense than the mantle

the crust is thinner and less dense than the mantle

the crust is thinner and more dense than the mantle

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram shows spheres associated with Earth. Which spheres are zones of Earth's atmosphere?

lithosphere, hydrosphere and troposphere

stratosphere, mesosphere and thermosphere

asthenosphere, lithosphere and hydrosphere

hydrosphere, troposphere and stratosphere

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The actual temperature at the boundary between the stiffer mantle and the outer core is estimated to be approximately

1.5oC

250oC

3000oC

5000oC

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Compared to oceanic crust, continental crust is generally

older and thinner

older and thicker

younger and thinner

younger and thicker

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The graph shows the percent by mass of elements of Earth's crust. Each letter on the graph represents an element. Which elements are represented by the letters a and b, respectively?

aluminum and iron

calcium and nitrogen

potassium and sodium

oxygen and silicon

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

From the top of the stiffer mantle to the center of Earth, the rock material is inferred to be

solid all the way to the center of the inner core

solid, then liquid to the center of the inner core

solid, then liquid, then solid again to the center of the inner core

solid, then liquid, then gaseous to the center of the inner core

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