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Earth Layers, Continental Drift and Seafloor Spreading

Total questions: 47

Worksheet time: 47mins

Name
Class
Date
1.
What layer is the thinnest?
a)
Crust 
b)
Mantle
c)
Core
d)
They are all the same size
2.
Which layer is the thickest?
a)
Crust
b)
Mantle
c)
Core
d)
All of them are the same size
3.
Which layer of the Earth is the most dense?
a)
crust
b)
mantle
c)
inner core
d)
outer core
4.
What is the thinnest layer of the earth’s composition?
a)
mantle
b)
inner core
c)
crust
d)
outer core
5.
The thickest layer of the earth is the 
a)
crust
b)
mantle
c)
inner core
d)
outer core
6.
What are the two kinds of crust that the Earth has?
a)
Oceanic and Crustatious Crust
b)
Oceanic and Continental Crust
c)
Optic and Continental Crust
7.

Which layer of the Earth is solid?

a)

outer core

b)

inner core

c)

mantle

d)

crust

8.

Which layer of the Earth was compared to an apple skin?

a)

mantle

b)

crust

c)

inner core

d)

outer core

9.

Which layer of the Earth is made up of liquid nickle and iron?

a)

inner core

b)

mantle

c)

crust

d)

outer core

10.

Which layer of the Earth is the 2nd thickest layer?

a)

inner core

b)

outer core

c)

mantle

d)

crust

11.

Which layer of the Earth is made up of solid iron and nickel?

a)

inner core

b)

crust

c)

outer core

d)

mantle

12.

What is the continental crust mostly made up of?

a)

basalt

b)

sea salt

c)

granite

d)

chalk

13.

What is the oceanic crust mostly made up of?

a)

sea salt

b)

basalt

c)

granite

d)

chalk

14.

Choose which layer of crust is newer:

a)

continental crust

b)

oceanic crust

15.

Where can both oceanic and continental crust be found?

a)

On land crust

b)

On ocean crust

c)

On tectonic plates

16.

The correct order of the Earth's layers starting from the OUTSIDE going IN is

a)

crust, inner core, mantle, outer core

b)

mantle, outer core, inner core, crust

c)

crust, mantle, outer core, inner core

d)

inner core, outer core, mantle, crust

17.

Which layer is made of liquid metal, iron and nickel?

a)

crust

b)

mantle

c)

outer core

d)

inner core

18.

Which layer is the hottest?

a)

crust

b)

mantle

c)

outer core

d)

inner core

19.

The ocean floor is made mostly of which rock?

a)

lava

b)

shells

c)

limestone

d)

basalt

20.

The continents are made mostly of which rock?

a)

magma

b)

soil

c)

sandstone

d)

granite

21.
Layer 1 is the Earth's ______ core.
a)
Inner Core
b)
Outer Core
c)
Mantle
d)
Asthenosphere
22.
Layer 2 is the Earth's _____________.
a)
Inner Core
b)
Outer Core
c)
 Lower Mantle
d)
 Upper Mantle
23.
Layer 3 is the Earth's ______ core.
a)
Core
b)
Lithosphere
c)
Mantle
d)
Asthenosphere
24.

Which layer is shown in brown?

a)

crust

b)

mantle

c)

outer core

d)

inner core

25.

Which layer is shown in yellow?

a)

crust

b)

mantle

c)

outer core

d)

inner core

26.

Which layer is shown in orange?

a)

crust

b)

mantle

c)

outer core

d)

inner core

27.

Which layer is shown in red?

a)

crust

b)

mantle

c)

outer core

d)

inner core

28.

Which shows the order of the layers from COOLEST to HOTTEST or from the OUTSIDE to INSIDE?

a)

crust, mantle, outer core, inner core

b)

inner core, outer core, mantle, crust

c)

crust, outer core, inner core, mantle

d)

Trick question! All of the layers are the same temperature!

29.

Which layer of the Earth is the THINNEST?

a)

crust

b)

mantle

c)

outer core

d)

inner core

30.

The supercontinent that once made up the Earth

a)

Pangea

b)

Mid Ocean Ridge

c)

Trench

d)

Asthenosphere

31.

Area where many earthquakes and volcanic eruptions occur ______________

a)

Divergent boundary

b)

Valley

c)

Ring of Fire

d)

Subduction

32.

Which of the following causes Earth's tectonic plates to move?

a)

Energy from the sun

b)

Convection currents in the mantle

c)

Magnetic Pole Reversal

d)

Faults in Mountain Ranges

33.

A giant landmass that existed 200 million years ago

a)

Wegener

b)

Pangaea

c)

Archyopteryx

d)

Hess

34.

The Theory of Continental Drift states that Pangaea broke apart and the continents "drifted" away from each other

a)

True

b)

False

35.

Which piece of evidence did Wegener use to prove continental drift?

a)

The shape of the continents

b)

Similar fossils found on separate continents

c)

Plants that are tropical found in areas that are very cold today

d)

All of the above

36.

Who came up with the Continental Drift Theory?

a)

Aldrin Weiner

b)

George Williams

c)

Luke Skywalker

d)

Alfred Wegener

37.

What is this a picture of?

a)

plate tectonics

b)

continental drift

c)

pangea

d)

glacier scaring

38.

What does the theory of continental drift state?

a)

The continents were once joined in a super-continent and have moved over time

b)

Continents are stationary and do not move

c)

The Earth is broken into lithospheric plates that move due to convection currents

d)

None of above

39.

Why did no one believe Wegener's theory?

a)

He could not explain the HOW the continents moved

b)

He didn't have evidence

c)

His data was wrong

d)

He didn't use the right technology to gather data

40.

The idea that Earth's continents move apart from a single large continent called Pangaea is what theory?

a)

Seafloor Spreading Theory

b)

Plate Tectonics Theory

c)

Pangaea Theory

d)

Continental Drift Theory

41.

Alfred Wegener gave 4 evidences for this theory, which one is not an evidence to support his theory?

a)

Fossils

b)

glaciers

c)

continental fit

d)

ocean basins

e)

landforms and rock forms

42.

Who came up with the idea of sea floor spreading?

a)

Harry Hess

b)

Louis Pasteur

c)

Gregor Mendal

d)

Alfred Wegener

43.

This theory states that it's the rising and sinking of magma that causes the tectonic plates to move

a)

Evolution Theory

b)

Sea-floor Spreading

c)

Continental Drift Theory

d)

Pangaea

44.

A trace of an ancient organism that has been preserved in rock, ice or other material is called a(n) ______________

a)

rock formation

b)

land formation

c)

dinosaur bones

d)

fossils

45.

What moves the plates of the Earth?

a)

Convection currents

b)

Conduction currents

c)

Radiation currents

d)

Thermal currents

46.

Which layer of earth is the thinnest?

a)

crust

b)

inner core

c)

mantle

d)

outer core

47.

Which layer of earth is the thickest?

a)

crust

b)

inner core

c)

mantle

d)

outer core

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