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The earth

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.
The thinnest layer of the Earth is the ___________.
a)
mantle
b)
crust
c)
core
2.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
3.
What is the core made of?
a)
steel
b)
iron 
c)
aluminum
d)
iron and nickel
4.
What is the correct order (starting from the surface) of Earth's layers?
a)
crust, outer core, inner core, mantle
b)
mantle, outer core, inner core, crust
c)
crust, mantle, outer core, inner core
d)
outer core, inner core, crust, mantle
5.
What describes the outer core?
a)
solid
b)
liquid
c)
viscous
d)
gas
6.
This layer of Earth is solid Iron and Nickel
a)
Outer Core
b)
Mantle
c)
Inner Core
d)
Crust
7.

____________ is the outermost system which is an invisible layer of gases that surround the planet.

a)

biosphere

b)

hydrosphere

c)

geosphere

d)

atmosphere

8.

What is the atmosphere made of?

a)

Nitrogen, Oxygen, and Trace gases

b)

Nitrogen, Oxygen, and Helium

c)

Hydrogen, Oxygen, and Trace gases

d)

Nitrogen and Oxygen

9.

Where is most of Earth's water located?

a)

Oceans

b)

Lakes

c)

Ponds

d)

Swamps

10.

Which layer of the Earth is made of iron and some nickel?

a)

crust

b)

mantle

c)

core

11.
Which layer is made up of iron and nickel?
a)
Crust
b)
Mantle
c)
Inner Core
d)
Lithosphere
12.

Earth spinning on its axis is an example of

a)

Rotation

b)

Revolution

13.

Earth traveling around the sun is an example of

a)

Rotation

b)

Revolution

14.

How long does it take the Earth to make a complete turn on its axis? Select all of the correct answers

a)

1 year

b)

24 hours

c)

1 day

d)

365 1/4 days

15.

How long does it take Earth to make one complete revolution around the sun? Select all of the correct answers

a)

1 year

b)

1 day

c)

24 hours

d)

365 1/4 days

16.

Without the tilt of Earth's axis, we would not have ________

a)

Day and night

b)

Years

c)

Seasons

d)

The moon

17.

___________ means to spin like a top

a)

Rotate

b)

Revolve

c)

Axis

d)

Orbit

18.

____________ is an imaginary line that runs through the Earth from the North to South poles

a)

Rotate

b)

Revolve

c)

Axis

d)

Orbit

19.

What are the 3 main layers of the Earth?

a)

Atmosphere, Hydrosphere, Biosphere

b)

Crust, Mantle, Core

c)

Rock, Magma, Ocean

d)

Top, Middle, Bottom

20.

What is the thinnest layer of the Earth?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

21.

What layer of the Earth is represented by the letter A?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

22.

One rotation in the Earth takes:

a)

23.5 hours

b)

24 hours

c)

66.5 hours

d)

5 hours, 48 minutes, 46 seconds

23.

Parallels and meridians are:

a)

Real

b)

Imaginary

24.

Lines of LATITUDE

a)

go horizontally around the Earth.

b)

go vertically from the North P. to the South P.

25.

Parallels measure:

a)

Longitude (East-West)

b)

Latitude (North-South)

26.

Greenwich is one:

a)

Parallel

b)

Meridian

27.

What is an Ocean?

a)

small body of water

b)

large body of water

28.

What % of the world is water?

a)

20%

b)

50%

c)

70%

d)

97%

29.

What type of water is in the Ocean?

a)

regular water

b)

salt water

c)

fresh water

d)

spring water

30.
How many continents are on the Earth?
a)
7
b)
4
c)
5
d)
2
31.
How many oceans are on the Earth?
a)
7
b)
4
c)
5
d)
2
32.
What is the name of the object by number 1?
a)
North America
b)
South America
c)
United States
d)
Europe 
33.
What is the name of the object by number 2?
a)
North America
b)
South America
c)
United States
d)
Europe 
34.
What is the name of the object by number 3?
a)
North America
b)
Antarctica 
c)
South Pole 
d)
Europe 
35.
What is the name of the object by number 5?
a)
Australia  
b)
Africa
c)
Asia
d)
Europe 
36.
What is the name of the object by number 6?
a)
Australia  
b)
Africa
c)
Asia
d)
Europe 
37.
What is the name of the object by number 7?
a)
Australia  
b)
Africa
c)
Asia
d)
Europe 
38.
What is the name of the largest continent? 
a)
Africa
b)
China
c)
Asia 
d)
The Bahamas
39.
What is the name of the smallest continent? 
a)
Africa
b)
China
c)
Australia  
d)
The Bahamas
40.
What is the southern most continent?
a)
Antarctica
b)
Asia
c)
None 
d)
Afica