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EARTH STRUCTURE AND ITS DYNAMICS

Total questions: 24

Worksheet time: 13mins

Name
Class
Date
1.

Which one of these followng things is NOT the Earth's layer?

a)

Crust

b)

Mantle

c)

Outer crust

d)

Inner core

2.

Which one of these following planets that supports life for plants, animal and human?

a)

Mars

b)

Saturn

c)

Jupiter

d)

Earth

3.

Which one of the THIRD PLANET from the Sun?

a)

Mercury

b)

Venus

c)

Earth

d)

Neptune

4.

________ are made of solid rocks and minerals.

a)

Crust

b)

Inner core

c)

Outer core

5.

The thickest layer of the Earth that contains hot solid rock (magma) is called __________?

a)
Core
b)
Mantle
c)
Crust
6.

The oceanic crust is about ___ km thick.

a)

6

b)

5

c)

4

d)

3

7.

The continental crust is ____ km thick

a)

35

b)

20

c)

30

d)

70

8.

Earth's mantle has a hot temperature, it can reach until _______

a)

1000ºC

b)

10.000ºC

c)

3,000 ºC

d)

5000ºC

9.

Which one is the upper layer of mantle?

a)

Asthenosphere

b)

Mesosphere

10.

Look at these characteristics:

1. Composed of soft rock like plastic that is easy to change shape

2. Composed of hard materials

3. In this layer, rocks move continuously

4. Thickness of 3000 km

Which ones are the characteristics of Mesosphere?

a)

1

b)

2

c)

3

d)

4

11.

Where is the cause of earthquake is located?

a)

Asthenosphere

b)

Mesosphere

12.

Look at these characteristics:

1. Composed of soft rock like plastic that is easy to change shape

2. Composed of hard materials

3. In this layer, rocks move continuously

4. Thickness of 3000 km

Which ones are the characteristics of Astenosphere?

a)

1

b)

2

c)

3

d)

4

13.

Look at these characteristics:

1. Composed of iron and nickel in liquid form

2. Composed of solid iron and nickel

3. Has a temperature of about 3900 degree celcius

4. Has a temperature of about 4500 degree celcius

Which ones are the characteristics of outer core?

a)

1

b)

2

c)

3

d)

4

14.

Look at these characteristics:

1. Composed of iron and nickel in liquid form

2. Composed of solid iron and nickel

3. Has a temperature of about 3900 degree celcius

4. Has a temperature of about 4500 degree celcius

Which ones are the characteristics of inner core?

a)

1

b)

2

c)

3

d)

4

15.
True or False.
The deeper you go into the earth, the greater the pressure. 
a)
True
b)
False
16.

Which layer of Earth flows slowly and causes the crust to move?

a)

Astenosphere

b)

Mesosphere

17.
The ________is a layer of solid rock that includes both dry land and the ocean floor.
a)
Crust
b)
Mantle
c)
Core
d)
Lithosphere
18.
The core is made mostly of what two metals?
a)
Copper and Gold
b)
Silicon and Sulfur
c)
Iron and Nickel
d)
Barium and Silver
19.

Which reason below best describes why the inner core is a solid?

a)

Gravitational pull

b)

Iron and Nickel becomes a solid when heated

c)

Its under great pressure

d)

Its just the way it was made

20.

The thinnest and outermost layer of Earth is called...

a)

crust

b)

mantle

c)

outer core

d)

inner core

21.

Which of the following is responsible for Earth's crust moving?

a)

Convection Currents

b)

Dynamo Effect

c)

Great Pressure

d)

Gravitational pull from the Sun

22.

Pangaea is a theory where all continents began as____

a)

One big country

b)

One big continent

23.

South America and Africa look to fit together like a puzzle

a)

does not support the theory of Pangaea

b)

does support the theory of Pangaea

24.

Fossils can also give evidence for a Pangaea theory

a)

TRUE

b)

FALSE