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Layers of the Earth

Total questions: 34

Worksheet time: 18mins

Name
Class
Date
1.

What is Geology?

a)

The study of the structure and surface of the Earth

b)

The study of rocks

c)

The study of Geodes

d)

The study of the Earth and its atmosphere

2.

What are the layers of the Earth? Click all that apply.

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

3.

What percent of the Earth's mass does the crust make up?

a)

0.5%

b)

1%

c)

5%

d)

15%

4.

The Earth's crust is thinnest where?

a)

Under the ocean

b)

Under the continents

5.

What percentage of the Earth's mass does the Mantle make up?

a)

67%

b)

76%

c)

6.7%

d)

50%

6.

What is the driving force behind the movement of the Earth's plates?

a)

Convection Currents

b)

Convection ovens

c)

Heat waves

d)

Fudge

7.

How deep is the Mantle?

a)

1800 miles

b)

1300 miles

c)

800 miles

d)

32 miles

8.

What is the 1st interior layer of the Earth?

a)

Mantle

b)

Crust

c)

Core

9.

What are the layers of the Earth in order starting with the outermost layer?

a)

crust, lithosphere, asthenosphere, lower mantle, outer core, inner core

b)

crust, asthenosphere, lithosphere, lower mantle, outer core, inner core

c)

Inner core, outer core, mantle, crust

d)

crust, outer core, lower mantle, inner core, asthenosphere, lithosphere

10.

What layer is between the inner core and the mantle?

a)

outer core

b)

lithosphere

c)

crust

d)

inner core

11.

How deep is the outer core?

a)

1300 miles

b)

1800 miles

c)

500 miles

d)

13 miles

12.

What percentage of the Earth's total mass does the outer core make up?

a)

30%

b)

67%

c)

0.5%

d)

2.5%

13.

In what state of matter is the outer core?

a)

liquid

b)

solid

c)

gas

d)

plasma

14.

What is the outer core composed of? Check all that apply.

a)

molten metal

b)

magma

c)

iron, nickel, sulfur

d)

Oxygen

15.

What is the center of the Earth?

a)

Inner core

b)

Outer core

c)

Mantle

d)

Crust

16.

What is the most dense layer of Earth?

a)

Outer core

b)

Inner Core

c)

Mantle

d)

Crust

17.

What is the inner core composed of? Check all that apply.

a)

Iron

b)

Nickel

c)

Oxygen

d)

Silicon

18.

What layer is the hottest layer of the Earth?

a)

Inner Core

b)

Outer core

c)

Mantle

d)

Earth

19.

How deep is the inner core?

a)

800 miles

b)

1300 miles

c)

1800 miles

d)

1802 miles

20.

What increases as you move towards the center of the Earth?

a)

Temperature

b)

Pressure

c)

Density

d)

Mass

21.

What temperature is the Lithosphere?

a)

0 degrees celsius

b)

1400 degrees celcius

c)

22 degrees celcius

d)

100 km

22.

What's the temperature of the crust?

a)

22 degrees celsius

b)

0 degrees celsius

c)

100 degrees celsius

d)

32 km

23.

What is the approximate thickness of the oceanic crust?

a)

8 km

b)

32 km

c)

3 km

d)

25 km

24.

What is the thickness of the lithosphere?

a)

100 km

b)

700 km

c)

2100 km

d)

2300 km

25.

What is the temperature of the asthenosphere?

a)

1400-3000 degrees celsius

b)

3000 degrees celsius

c)

500 degrees celsius

d)

1000 degrees celsius

26.

What is the thickness of the asthenosphere?

a)

700 km

b)

100 km

c)

300 km

d)

1000 km

27.

What is the thickness of the lower mantle? (approximately)

a)

2100 km

b)

3000 km

c)

2900 km

d)

10 km

28.

What is the temperature of the lower mantle?

a)

3000 degrees celsius

b)

1000 degrees celsius

c)

4000 degrees celsius

d)

1690 degrees celsius

29.

What is the layer of the earth called that comprises of the crust and the upper part of the mantle?

a)

Lithosphere

b)

Asthenosphere

c)

Lower mantle

d)

Crust

30.

What are the broken sections of the lithosphere called?

a)

plates

b)

silverware

c)

cups

d)

crust

31.

Where do earthquakes begin?

a)

lithosphere

b)

asthenosphere

c)

lower mantle

d)

crust

32.

If you traveled from Warsaw, Indiana to Salt Lake City, Utah, how far did you travel and what layer of the Earth is that deep?

a)

1300 miles

b)

1800 miles

c)

Mantle

d)

Outer Core

33.

What is the fluidy layer of the mantle called?

a)

asthenosphere

b)

lithosphere

c)

lower mantle

d)

outer core

34.

What layer of the earth carries and moves the lithosphere?

a)

asthenosphere

b)

crust

c)

lower mantle

d)

outer core