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earth as a structure

Total questions: 80

Worksheet time: 48mins

Name
Class
Date
1.

The _________ is broken up into pieces.

a)

crust

b)

mantle

c)

outer core

d)

inner core

2.

The _________ is broken up into pieces.

a)

crust

b)

mantle

c)

outer core

d)

inner core

3.

The _________ is the thickest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

4.

As you get closer to the center of the Earth, the density _________.

a)

increases

b)

decreases

c)

stays the same

5.

As you get farther from the center of the Earth, the temperature _____________.

a)

increases

b)

decreases

c)

stays the same

6.

The _________________ is the densest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

7.

The _________ is the thinnest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

8.

The hottest layer is the ___________.

a)

crust

b)

mantle

c)

outer core

d)

inner core

9.

The ___________ is the only layer that is liquid.

a)

crust

b)

mantle

c)

outer core

d)

inner core

10.

The ____________ is not really a solid but not really a liquid; we call it a plastic.

a)

crust

b)

mantle

c)

outer core

d)

inner core

11.

The ____________ is a solid metal ball.

a)

crust

b)

mantle

c)

outer core

d)

inner core

12.

The ________ is the least dense layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

13.

The __________ is the coolest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

14.

The ____________ is hotter than the mantle.

a)

crust

b)

outer core

15.

The _____________ is less dense than the outer core.

a)

mantle

b)

inner core

16.

The ____________ is thinner than the outer core.

a)

crust

b)

mantle

17.

Which factor(s) best supports the importance of molten core for a planet to be habitable?

a)

Energy source

b)

Resource distribution

c)

Resource of raw material

d)

Protection from solar radiation

18.

What form of energy is transferred out of the earth system?

a)

Solar Energy

b)

Electrical Energy

c)

Terrestrial Energy

d)

Mechanical Energy

19.

Suppose there is a tree deeply rooted in soil. What exchanges can be distributed by the soil to the tree?

a)

Nutrients and Moisture

b)

Carbon Dioxide and Nutrients

c)

Moisture and Carbon Dioxide

d)

Moisture, Nutrients, and Carbon Dioxide

20.

If the heat on the molten core of a planet was exhausted, the planet is:

a)

not habitable because it will turn water into ice in the surface

b)

not habitable because the raw materials cannot be processed in the system

c)

habitable because there can be another energy source than geothermal energy

d)

habitable because the magnetic field is still present even if the heat was dissipated

21.

If a planet has a thick atmosphere and is composed mostly of carbon dioxide, the planet cannot be habitable. Why is that so?

a)

Air circulation is much slower

b)

The atmospheric pressure is intolerable

c)

Water will not form due to excessive heat

d)

Most of life forms will suffocate in carbon dioxide

22.

The following are characteristics of minerals, EXCEPT:

a)

Has a solid structure

b)

Made with a crystalline structure

c)

Composed of definite chemical composition

d)

Contains organic and/or inorganic materials

23.

What is the luster of the mineral shown?

a)

Metallic

b)

Metalloid

c)

Non-metallic

d)

Sub-metallic

24.

What type of cleavage does it exhibit?

a)

2 perfect direction

b)

2 imperfect direction

c)

3 perfect direction

d)

3 imperfect direction

25.

Which of the following silica tetrahedral structure makes up a mineral in the amphibole group?

a)

Double chain

b)

Framework

c)

Sheet

d)

Single chain

26.

The following can be a characteristic of a mineral:

I. Light-colored

II. Dark-colored

III. Have high content of Mg and Fe

IV. Have high content of silica


What would be the characteristics of a non-ferromagnesian silicate?

a)

I and III

b)

I and IV

c)

II and III

d)

II and IV

27.

SC.7.E.E.6.7


How are mid ocean ridges formed?

a)

Two oceanic plates colliding due to magnetism of Earth

b)

Two oceanic plates dividing due to rising magma from the mantle

c)

One continental crust and one oceanic plate dividing due to magnetism of Earth

d)

Two continental plates dividing due to rising magma from the mantle

28.

SC.7.E.6.5


What is subduction and why does it happen?

a)

When one plate collides with another due to convection currents

b)

When two plates divide from each other due to magnetism

c)

When one plate sinks under the other due to greater density

d)

When one plate sinks under the other due to convection currents

29.

SC.7.E.6.1


If you dug into the Earth (from crust to inner core), what would you notice happening to temperature, pressure and density?

a)

Increases

b)

Decreases

c)

Stays the Same

30.

SC.7.E.6.7


What causes the movement of plates in the lithosphere?

a)

Magnetism from the inner core

b)

Convection Currents from the Mantle

c)

Energy radiated from the Sun

d)

Ocean Currents on the Crust

31.

SC.7.E.6.5


Which of the following is a convergent boundary?

a)
b)
c)
d)
32.

SC.7.E.6.5


Which of the following is a divergent boundary?

a)
b)
c)
d)
33.

SC.7.E.6.5


Which is MOST likely to have earthquakes?

a)
b)
c)
d)
34.

SC.7.E.6.5


The Pacific Ring of Fire is located at the boundary of plates. As a result, what is common in this area?

a)

Volcanic Activity and Earthquakes

b)

Strong ocean currents

c)

Varying temperatures in the ocean

d)

Nothing different

35.

SC.7.E.6.1


Where do convection currents occur?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

36.

SC.7.E.6.5


What do volcanoes and mountains have in common?

a)

Both form at Divergent Boundaries

b)

Both form at Transform Boundaries

c)

Both form at Convergent Boundaries

d)

Both form due to Subduction Zones

37.

SC.7.E.6.4


Which of the following is evidence for Continental Drift?

I. Same Fossils in Different Locations

II. Same Rocks in Different Locations

III. Continents look like a Puzzle

a)

I and II

b)

I and III

c)

II and III

d)

I, II, and III

38.

SC.7.E.6.5


A mid-ocean ridge is located where new crust forms. Mid ocean ridges are formed due to seafloor spreading. Which best describes seafloor spreading?

a)

Magma rising from the outer core pushing plates together and cooling

b)

Metal sinking from the crust pushing plates apart and melting

c)

Metal rising from the inner core pushing plates apart and cooling

d)

Magma rising from the mantle pushing plates apart and cooling

39.

SC.7.N.3.2


Why do scientist need models?

a)

To study process they can easily observe

b)

To make hypothesis about daily phenomenons

c)

To study things that are difficult or impossible to observe

d)

To test different variables and collect data

40.

SC.7.N.3.2


Which of the following is true about benefits and limitations of models?

a)

All models are prefect therefore they do not have limitations

b)

Benefits are things the model cannot do

c)

Limitations are ways the model is different from the real thing

d)

All models are not perfect therefore they do not have benefits

41.

SC.7.E.6.4


Which of the following best describes the Theory of Continental Drift?

a)

The lithosphere is composed of plates which collide, divide and rub against each other

b)

Hot convection currents in the mantle cause plate movement in the crust

c)

All the continents were once united and moved over millions of years

d)

Continents float on the ocean and have drifted to their current locations in recent years

42.

SC.7.E.6.5


Two oceanic plates collide. There is an earthquake in the middle of the ocean. What caused the earthquake

a)

Transform Boundary

b)

Divergent Boundary

c)

Subduction of the older Oceanic Plate

d)

Mantle Hot Spot

43.

What is the correct order of Earth's Layers based on Composition?

a)

Crust - Outer core - Inner Core - Mantle

b)

Mantle - Outer core - Inner core - Crust

c)

Crust - Mantle - Outer Core - Inner Core

d)

Crust - Mantle - Core

44.

The Earth's Mantle is made up of?

a)

A solid layer of Iron and Nickel

b)

A molten (liquid) layer of of Iron and Nickel

c)

A solid layer of Granite and Basalt

d)

A solid/plastic layer of Peridotite that moves over time through the process of convection

45.

As you move from the surface of the Earth to the center, pressure ......

a)

decreases

b)

increases

46.

The outer layer of the Earth is called the

a)

Crust

b)

Mantle

c)

Inner core

d)

Asthenosphere

47.

When you touch a hot pot or pan, energy moves from the pot to your hand. This is called

a)

Convection

b)

Radiation

c)

Conduction

d)

Subduction

48.

Heat transfer within a fluid takes place by

a)

Convection

b)

Conduction

c)

Radiation

d)

Sublimation

49.

The energy from the sun that warms your face is transferred by a process called

a)

Convection

b)

Radiation

c)

Conduction

d)

Subduction

50.

In which layer of the Earth would you expect to find the hottest temperature?

a)

Crust

b)

Mantle

c)

Core

d)

Lithosphere

51.

List the Mechanical/physical properties layers of the Earth from the surface to the center?

a)

Lithosphere - Asthenosphere - Mesosphere - Outer core - Inner core

b)

Mesosphere - Asthenosphere - Lithosphere- Inner core - Outer core

c)

Inner core - Outer core - Mesosphere - Asthenosphere - Lithosphere

d)

Lithosphere - Mesosphere - Outer core - Inner core -Asthenosphere

52.

What type of seismic wave travels the fastest?

a)

Love

b)

Reyleigh

c)

P

d)

S

53.

What type of seismic wave travels in and up and down motion perpendicular to the direction of wave travel and can only move through solid material?

a)

S

b)

P

c)

Love

d)

Reyleigh

54.

Where does Earth's internal heat come from?

a)

The Sun

b)

The pressure in the Earth

c)

Gravity

d)

Heat of Formation and Radioactive decay

55.

Earth's Inner core is?

a)

A layer of rock that forms Earth's outer surface

b)

A layer of molten (liquid) iron and nickle

c)

A layer of solid iron and nickel

d)

A solid/plastic layer of Peridotite that flows over time?

56.
Which is the hottest part of the Earth?
a)
The core
b)
The mantle
c)
The crust
d)
The Asthenosphere
57.
What is the core made of?
a)
Molten rock
b)
Solid rock
c)
Molten metal
d)
Solid metal
58.
What layer is between the inner core and the mantle?
a)
asthenosphere
b)
crust
c)
outer core
d)
lithosphere
59.
Which is the coolest part of the planet?
a)
inner core
b)
outer core
c)
mantle
d)
crust
60.
How far is it to the center of the Earth in miles?
a)
4000
b)
400
c)
40,000
d)
27408
61.
Which two metals are thought to be found in the core?
a)
iron and steel
b)
iron and nickel
c)
gold and silver
d)
iron and copper
62.
How hot is it in the Earth's center?
a)
600 Celcius
b)
6000 Celcius
c)
6 million Celcius
d)
451 Fahrenheit 
63.
Which of these layers is the largest?
a)
lithosphere
b)
asthenosphere
c)
outer core
d)
mantle
64.
What do we call the center of the Earth?
a)
Mantle
b)
Crust
c)
Apple
d)
Core
65.
Which layer of the Earth is the most dense?
a)
Crust
b)
Inner core
c)
Mantle
d)
Outer core
66.
Which layer of the Earth is the least dense?
a)
Crust
b)
Inner core
c)
Mantle
d)
Outer core
67.
Which portion of the crust is thicker?
a)
Continental
b)
Oceanic
68.
Which letter represents the entire mantle?
a)
A
b)
C
c)
D
d)
F
69.
Which layer represents the lithosphere?
a)
A
b)
B
c)
C
d)
D
70.
Protects us from harmful UV rays
a)
Oxygen
b)
Carbon monoxide
c)
Ozone layer
d)
Carbon dioxide
71.

The Asthenosphere is the...

a)

upper part of the crust

b)

upper part of the mantle

c)

upper part of the inner core

d)

upper part of the outer core

72.

True or False - the inner core is made from molten iron and nickel

a)

true

b)

false

73.

The core's temperature is around...

a)

3000C

b)

4000C

c)

5000C

d)

6000C

74.

Which of the following is NOT a characteristic of oceanic crust?

a)

Fast moving

b)

Basalt

c)

Younger

d)

Less dense

75.

True or False - continental crust "floats" on the mantle, a little like an iceberg

a)

True

b)

False

76.

What is the average rate of plate movement around the world?

a)

2-5cm per year

b)

5-10cm per year

c)

8-15cm per year

d)

14-18cm per year

77.

The process driving plate movement that occurs as a result of differential heating in the mantle

a)

ridge push

b)

slab pull

c)

convection

d)

subduction

78.

True or false - friction plays a role within the process of convection (& resulting plate movement)

a)

True

b)

False

79.

Which of the following processes occurs as a result of the "weight" of an oceanic plate sinking into the mantle

a)

slab pull

b)

ridge push

80.

Which of the following occurs at constructive plate margins (where plates are moving apart)

a)

slab pull

b)

ridge push