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Earth Science CET Review

Total questions: 184

Worksheet time: 4hrs 38mins

Name
Class
Date
1.

How old is the Earth?

a)

4.543 billion years

b)

4.543 million years

c)

4.534 billion years

d)

4.534 million years

2.

The Law of Superposition helps scientists to determine what?

a)

The absolute age of rock layers

b)

The age of fossils

c)

The relative age of rock layers

d)

the super powers of squirrels

3.
According to the law of superposition, the oldest fossils are found 
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
4.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
5.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
6.

Which of the following correctly lists the layers in order from oldest to youngest?

a)

A, B, C, D, E

b)

E, B, C, D, A

c)

E, D, C, B, A

d)

C, B, A, D, E

7.
What is the oldest layer in the outcrop?
a)
B
b)
C
c)
D
d)
E
8.
What is the youngest layer in the outcrop?
a)
A
b)
B
c)
C
d)
D
9.
Which rock layer most likely contains fossils of the most recently evolved organisms?
a)
4
b)
3
c)
1
d)
2
10.

What is the relative age of a rock?

a)

The age determined by the things around it.

b)

The age of an igneous rock.

c)

The age determined by radioactive dating.

d)

The time it takes for 1/2 of the radioactive atoms to decay in an element.

11.
Which of the following happened most recently?
a)
A. Deposition of Unit C
b)
B. Deposition of Unit B
c)
C. Deposition of Unit F
d)
D. Tilting of C, D, E, and F
12.

The law of superposition states that in undisturbed sedimentary rocks, each layer is younger than the layer below it and older than the layer above it

a)

true

b)

false

13.

The law of superposition states that in undisturbed sedimentary rocks, each layer is older than the layer below it and younger than the layer above it

a)

true

b)

false

14.

The presence of what kind of rocks make it difficult to determine the age of rocks

a)

igneous rocks

b)

sedimentary rocks

c)

metamorphic rocks

15.

How did scientists reliably tell the Earth's age

a)

through the Law of Superposition

b)

through the use of radioactive dating

c)

through the age of fossils dug

16.

Radioactive dating is a method of dating rocks and minerals using what?

a)

radioactive isotopes

b)

radioactive exposure

c)

ultraviolet rays

d)

ultraviolet waves

17.

The time required for half of the parent isotope to decay into daughter isotopes.

a)

Absolute Age

b)

Relative Age

c)

Fossil

d)

Half-life

18.

The age of rocks and geologic features compared with other rocks and features nearby.

a)

Relative Age

b)

Absolute Age

19.

Geologic processes that occur today are similar to those who have occurred in the past

a)

Principle of Superposition

b)

Principle of Uniformitarianism

c)

Cross Cutting Relationships

d)

Absolute Dating

20.

Average numerical age, in years of a rock or object.

a)

Absolute Age

b)

Relative Age

21.

Represent species that existed on Earth for a short length of time, were abundant and inhabited many locations.

a)

Rocks

b)

Radioactive Decay

c)

Index Fossils

d)

Half-Life

22.
If the half-life of a radioactive group of atoms is 100 years, then how old is the rock if there have been two half-lives?
a)
25 years
b)
200 years
c)
400 years
d)
800 years
23.
Radiometric dating is possible because the rates of decay of radioactive isotopes _____.
a)
change over time
b)
change from place to place
c)
are constant
d)
vary widely
24.

What materials can prevent decay

a)

ice

b)

amber

c)

silicon

d)

copal

25.

Which type of rock are most fossils found?

a)

sedimentary rock

b)

metamorphic rock

c)

igneous rock

26.

If a scientist found a fish fossil in the desert, what can they infer?

a)

an animal ate the fish

b)

the fish of today look the same

c)

water covered that area in the past

d)

the fish is endangered

27.

a solid copy of the shape of an organism is...

a)

a fossil record

b)

a mold

c)

a carbon film

d)

a cast

28.

What are the geologic times

a)

precambrian era

b)

palezoic era

c)

mesozoic era

d)

cenozoic era

e)

mesocambrian era

29.

How long was the precambrian era

a)

4.059 billion years

b)

289 million years

c)

186 million years

d)

about 65 million years

30.

How long was the paleozoic era

a)

4.059 billion years

b)

289 million years

c)

186 million years

d)

about 65 million years

31.

How long was the mesozoic era

a)

4.059 billion years

b)

289 million years

c)

186 million years

d)

about 65 million years

32.

How long was the cenozoic era

a)

4.059 billion years

b)

289 million years

c)

186 million years

d)

about 65 million years

33.

From longest to shortest, arrange the geologic times by their number of years

a)

paleozoic -> precambrian -> cenozoic -> mesozoic

b)

precambrian -> paleozoic -> mesozoic -> cenozoic

c)

paleozoic -> mesozoic -> precambrian -> cenozoic

d)

precambrian -> cenozoic, paleozoic, mesozoic

34.

The second broadest category of geologic time is______________?. The Cenozoic is one of them.

a)

era

b)

eon

c)

epoch

d)

period

35.

There have been how many major extinction events on planet Earth?

a)

3

b)

4

c)

5

d)

2

36.

What are the names of ALL parts of the geologic time scale in correct order from broadest to narrowest?

a)

era, period, eon

b)

eon, era, period, epoch

c)

era, eon, epoch, period

d)

eon, era, epoch, period

37.

Mammals are a dominant group in which era?

a)

Cenozoic

b)

Mesozoic

c)

Paleozoic

d)

Cambrianozoic

38.

What era did the formation of the earth occur?

a)

Paleozoic

b)

Precambrian

c)

Cenozoic

d)

Cambrian

39.

The dinosaurs and reptiles were dominant in which Era?

a)

Precambrian

b)

Mesozoic

c)

Paleozoic

d)

Cenozoic

40.

90% of Earth’s history occurred during which era?

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

41.

At the end of this era, multi-cellular organisms like sponges, jellyfish and worms filled the oceans.

a)

Precambrian Era

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

42.

Most of the Precambrian rocks are what kind of rocks

a)

igneous

b)

metamorphic

c)

sedimentary

43.

By the middle of the Paleozoic era, marine life forms had developed shells

a)

true

b)

false

44.

What was the first animal that succeeded in adapting itself to breathe air

a)

an amphibian that came out of the sea during the Devonian Period

b)

a mammal that came out of the sea during the Devonian Period

c)

an amphibian that came out of the sea during the Silurian Period

d)

a mammal that came out of the sea during the Silurian Period

45.

The late Paleozoic era showed the appearance of...

a)

reptiles

b)

amphibians

c)

mammals

d)

parasites

46.

Which era saw the formation of several continents

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

47.

a Greek philosopher and mathematician who thought that the Earth had a spherical shape

a)

Pythagoras

b)

Eratosthenes

c)

Isaac Newton

d)

Henry Cavendish

48.

a Greek astronomer who proved that the Earth had a spherical shape. He also made the measurements of the Earth's circumference

a)

Pythagoras

b)

Eratosthenes

c)

Isaac Newton

d)

Henry Cavendish

49.

an English mathematician and physicist who predicted that the Earth was not a perfect sphere

a)

Pythagoras

b)

Eratosthenes

c)

Isaac Newton

d)

Henry Cavendish

50.

an English scientist who was the first one to determine the mass of the Earth

a)

Pythagoras

b)

Eratosthenes

c)

Isaac Newton

d)

Henry Cavendish

51.

The earth is a...

a)

perfect sphere

b)

not a perfect sphere

c)

perfect circle

52.

Topographic maps are scale models of some part of the Earth's surface

a)

true

b)

false

53.

What distinguishes physical layers of Earth?

a)

the elements and compounds in each layer

b)

how rigid each layer is

c)

the thickness of each layer

d)

the temperature of each layer

54.

What distinguishes chemical layers of Earth?

a)

the elements and compounds in each layer

b)

how rigid each layer is

c)

the thickness of each layer

d)

the temperature of each layer

55.

Which of the following represents physical layers of Earth?

a)

core, mantle, crust

b)

core, mantle, oceanic crust, continental crust

c)

inner core, outer core, mesosphere, asthenosphere, lithosphere

d)

inner core, outer core, mantle, oceanic crust, continental crust

56.

Which of the following represents chemical layers of Earth?

a)

core, mantle, crust

b)

core, mantle, lithosphere

c)

inner core, outer core, mesosphere, asthenosphere, lithosphere

d)

inner core, outer core, mantle, oceanic crust, continental crust

57.

Which layer is best described as liquid iron and nickel?

a)

inner core

b)

outer core

c)

mantle

d)

crust

58.

Which describes the difference between continental and oceanic crust chemical composition?

a)

continental crust has more SiO2 so it sinks

b)

continental crust has more Fe so it floats

c)

oceanic crust has more SiO2 so it floats

d)

oceanic crust has more Fe so it sinks

59.

The inner core is a...

a)

solid

b)

liquid

c)

gas

60.

The outer core is a...

a)

solid

b)

liquid

c)

gas

61.

The lithosphere is ______ and the asthenosphere is _______.

a)

both brittle

b)

brittle, plastic/flexible

c)

plastic/flexible, brittle

d)

both plastic/flexible

62.

Which layer exists as a collection of tectonic plates?

a)

asthenosphere

b)

mantle

c)

lithosphere

d)

outer core

63.

Which two layers have convection currents?

a)

asthenosphere & outer core

b)

asthenosphere & inner core

c)

lithosphere & outer core

d)

lithosphere & inner core

64.

Convection currents in the ______ create Earth's magnetic field.

a)

asthenosphere

b)

inner core

c)

mantle

d)

outer core

65.

What made it possible to conclude that the earth's interior is made up of layers one inside the other

a)

P-waves

b)

S-waves

c)

T-waves

d)

V-waves

66.

Does temperature increase or decrease the farther down into the earth you go?

a)

increase

b)

decrease

67.

What are the materials found on the Earth's crust

a)

silicon and aluminum

b)

oxygen

c)

calcium and sodium

d)

potassium

e)

iron

68.

the three types of solid rocks could be found in the Earth's crust

a)

true

b)

false

69.

The movement of the tectonic plates is caused by

a)

the rotation of the Earth.

b)

convection currents in the Asthenosphere

c)

the gravity of the iron-nickel core.

d)

the Moho discontinuity.

70.

In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained?

a)

The strong ocean currents are undermining both areas causing earthquakes.

b)

Both areas are located near the edge of the Pacific Ocean, the unstable sand causes earthquakes.

c)

Both areas are subjected to strong ocean wind and waves that causes earthquakes.

d)

Both areas are on the boundary of active plates, the motion of the plates causes earthquakes.

71.
Subduction zones occur on Earth where dense oceanic crust dives under more buoyant continental crust. These boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. All of this is further evidence for the
a)
big bang theory.
b)
theory of plate tectonics.
c)
origin of the species.
d)
theory of natural selection.
72.
There are three types of plate boundaries. Which choice is NOT a type of plate boundary?
a)
convergent
b)
thrust
c)
divergent
d)
transform
73.

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

a)

the oceanic crust is melting.

b)

the denser ceanic crust is subducting under the less dense oceanic crust

c)

volcanic islands are forming.

d)

the tectonic plates are moving away from each other.

74.

The map in the picture shows tectonic plate boundaries. This map would be useful in predicting the location of future

a)

droughts

b)

hurricanes

c)

earthquakes

d)

tornadoes

75.
What geological forces might be responsible for this range of mountains?
a)
diverging tectonic plates
b)
erosion of the land by the ocean
c)
converging tectonic plates
d)
deposition of sediments by the ocean
76.

Earthquake epicenters (center of where the earthquakes started) were mapped for a 35 year period in the diagram above. The black dots indicate these epicenters. The black dots appear along what feature on Earth?

a)

hot spots

b)

plate boundaries

c)

rift zones

d)

sea floor spreading

77.
The Earth’s surface is not a solid surface but is divided into
a)
several oceanic plates.
b)
continental and crustal plates.
c)
seven continental plates.
d)
continental and oceanic plates.
78.
Geologists have long recognized that earthquakes are not randomly distributed on Earth but occur in concentrated areas that coincide with __________ and provide evidence for the theory of ___________ .
a)
mountain ranges; fault zones.
b)
continental borders; supercontinents.
c)
plate boundaries; plate tectonics
d)
areas of liquid magma; sea floor spreading.
79.
Which geological features MOST LIKELY prompted the development of the theory of plate tectonics?
a)
river deltas
b)
mountain ranges
c)
glacier fields
d)
tropical rainforests
80.
Which geological features MOST LIKELY prompted the development of the theory of plate tectonics?
a)
river deltas
b)
mountain ranges
c)
glacier fields
d)
tropical rainforests
81.

Where are earthquakes MOST LIKELY to occur?

a)

close to the equator

b)

close to the center of tectonic plates

c)

at divergent or convergent plate boundaries

d)

at transform plate boundaries

82.

The 2004 Indian Ocean tsunami was caused by a shift in two plates that pushed one section of the sea floor under another section of the sea floor by 5 meters. What type of boundary is this?

a)

divergent

b)

convergent

c)

transform

d)

metamorphic

83.
The image shows the Pacific Ring of Fire, a region of high tectonic activity. What evidence supports the theory that the tectonic activity of the region is due to the subduction of tectonic plates?
a)
The region is bound by many oceanic trenches.
b)
North America seems to be colliding with Asia at the north of the ring.
c)
The Asia-Pacific region is dotted by many small and large islands
d)
The landmasses look like they would fit together like the pieces of a jigsaw puzzle.
84.
The Atlantic Ocean gets about 3-5 ______ wider each year.
a)
centimeters
b)
kilometers
c)
miles
d)
meters
85.

___________ currents in the Earth's asthenosphere cause plate to shift at their boundaries. This movement also causes earthquakes and volcanic activity.

a)

conduction

b)

convection

c)

radiation

d)

ocean

86.
Observe the plate boundary shown here. What type of plate boundary is this? Many geologic events occur at these boundaries. Some are shown, but one is missing. What geologic event would you predict would occur at this plate boundary?
a)
convergent oceanic-oceanic plate boundary; volcano
b)
divergent oceanic-oceanic plate boundary; sea floor spreading
c)
convergent oceanic-continental plate boundary; earthquake
d)
convergent continental-continental plate boundary; mountain building
87.

What is the source of energy that drives plate movement?

a)

the subducton of the sea floor

b)

the different densities of the oceanic and crustal plates

c)

convection currents in the asthenosphere

d)

the friction force between the plates that move past each other

88.

Where would sea floor spreading most likely occur?

a)

At convergent boundaries (oceanic vs. oceanic)

b)

At convergent boundaries (oceanic vs. continental)

c)

At divergent plate boundaries (oceanic vs. oceanic)

d)

At transform plate boundaries

89.

The Marianas Trench, where the Pacific Plate descends under the leading edge of the Eurasian Plate, is the deepest sea floor in the world. These ocean trenches form when two oceanic plates collide

a)

and the older, less dense of the two plates rides over the edge of the older plate.

b)

when convection currents in the mantle force the older plate downward.

c)

and the younger, denser of the two plates, rides over the edge of the older plate.

d)

and the plates are approximately the same age and density.

90.

What type of plate boundary is shown in the picture?

a)

Convergent

b)

Divergent

c)

Transform

91.

What type of plate boundary is shown in the picture?

a)

Convergent

b)

Divergent

c)

Transform

92.

What type of plate boundary is shown in the picture?

a)

Convergent

b)

Divergent

c)

Transform

93.

What geologic event would most likely be found at a transform boundary?

a)

Volcano

b)

Mountain

c)

Earthquake

d)

Mid-Ocean Ridge

94.

What landform would you most likely find at a divergent boundary between two pieces of oceanic crust?

a)

Rift Valley

b)

Mountain

c)

Mid-Ocean Ridge

d)

Volcano

95.

What landform would you most likely find at a divergent boundary between two pieces of continental crust?

a)

Mid-Ocean Ridge

b)

Rift Valley

c)

Mountain

d)

Volcano

96.

What landform would you most likely find at a convergent boundary between two pieces of continental crust?

a)

Mid-Ocean Ridge

b)

Oceanic Trench

c)

Mountain

d)

Volcano

97.

What landform would you most likely find at a convergent boundary between two pieces of oceanic crust?

a)

Rift Valley

b)

Mid-Ocean Ridge

c)

Mountain

d)

Ocean Trench

98.

When one tectonic plate sinks under another, this is called...

a)

Convegent

b)

Divergent

c)

Subduction

d)

Transform

99.

Which type of boundary do plates move away from each other?

a)

Convergent

b)

Divergent

c)

Transform

100.

Plates slide past one another at ____ boundaries.

a)

Convergent

b)

Divergent

c)

Transform

101.

When plates collide together, this boundary occurs...

a)

Convergent

b)

Divergent

c)

Transform

102.

What are the two types of crust?

a)

Thick and thin

b)

Ocean and basin

c)

Lower and upper

d)

Continental and oceanic

103.

According to Wegener's hypothesis of continental drift,

a)

Earth's surface is made up of seven major landmasses

b)

The continents were once joined together in a single landmass

c)

Earth is slowly cooling and shrinking

d)

the continents DO NOT move

104.

What is Pangaea?

a)

The name of a German scientist

b)

Another name for continental drift

c)

The name of the super-continent that existed millions of years ago

d)

The name of ancient fossil

105.

What type of evidence was NOT used by Alfred Wegener to support his continental drift theory?

a)

evidence from landforms

b)

evidence from human remains

c)

evidence from fossils

d)

evidence from climate

106.

Most geologists rejected Alfred Wegener's idea of continental drift because...

a)

it did not agree with their current theory

b)

Wegener was interested in what Earth was like millions of years ago

c)

Wegener used several different types of evidence to support his hypothesis

d)

Wegener could not identify the force that moved the continents

107.
This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
108.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
109.
What process is used to form sedimentary rocks?
a)
Lava cools and hardens to form a rock.
b)
Weathering, Erosion, Deposition, Compaction, Cementation
c)
Extreme heat and pressure from inside the Earth turn rocks into new rocks.
d)
Magma trapped under the Earth's surface cools and solidifies.
110.
Which of the words below describe broken up rock?
a)
stalactites
b)
magmas
c)
metamorphs
d)
sediments
111.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
112.
This rock was found near the mouth of a volcano. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
113.
When sediments are pressed together tightly, this is called ____________.
a)
Compaction
b)
Cementation
c)
Weathering
d)
Erosion
114.
The process in which sediment are fused or glued together.
a)
compaction
b)
deposition
c)
organic rock
d)
cementation
115.
This rock was formed when molten rock cooled into a solid. What type of rock is it?
a)
Igneous Rock
b)
Metamorphic Rock
c)
Sedimentary Rock
116.
Which type of rock is formed from INTENSE heat and pressure?
a)
igneous
b)
sedimentary
c)
metamorphic
117.
Extreme Heat and Pressure creates a _________ rock.
a)
Igneous
b)
Metamorphic
c)
Sedimentary
d)
Mineral
118.
True or False: Once a rock is sedimentary, it cannot become an igneous rock.
a)
True
b)
False
119.
This rock started as lava that cooled and then was heated and put under pressure over time. What type of rock is this?
a)
Sedimentar
b)
Igneous
c)
Metamorphic
120.
This rock was molten magma that slowly cooled under the ground. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
121.
The three groups of rocks are classified by
a)
How they form
b)
Color
c)
Grain size
d)
Chemical Composition
122.
Fossils are only found in
a)
Sedimentary rocks
b)
Foliated Metamorphic rocks
c)
Igneous Rocks
d)
Nonfoliated Metamorphic rocks
123.
The cooled and hardened magma from volcanoes form what rocks?
a)
igneous
b)
sedimentary
c)
metamorphic 
d)
fossils
124.
Large rocks can be broken down into smaller rocks by wind and water.  These small rocks can break down into very tiny pieces called _______.
a)
minerals
b)
pebbles
c)
sediments
d)
chalk
125.
A never ending process by which rocks are changed from one type to another.  
a)
weathering and erosion
b)
rock cycle
c)
heat and pressure
d)
pressing and cementing
126.
1. What will happen if an igneous rock is put under an extreme amount of heat and pressure?
a)
it will melt into lava
b)
it will weather and erode
c)
it will become a metamorphic rock
d)
it will become a sedimentary 
127.

What type of rock is this?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Sand

128.

How do extrusive igneous rocks differ from intrusive igneous rocks?

a)

Extrusive rocks are larger in size.

b)

Intrusive rocks break down quicker.

c)

Extrusive rocks are arranged in layers.

d)

Intrusive rocks have larger crystals.

129.

In which location would you most likely find an igneous rock?

a)
b)
c)
d)
130.

Which force plays a major role in the formation of metamorphic rock?

a)

Acceleration

b)

Friction

c)

Pressure

d)

Centrifugal force

131.

Compaction and cementation are two common processes associated with:

a)

Extrusive igneous rocks

b)

Intrusive igneous rocks

c)

Sedimentary rocks

d)

Metamorphic rocks

132.

Which of the following is a TRUE statement?

a)

Magma is called lava after it emerges from the ground

b)

Lava cools off to form magma

c)

Magma and lava form sedimentary rocks

d)

Magma and lava are two types of metamorphic rock

133.

Place the following events in sequence: A) Mineral grains are formed; B) A volcano erupts; C) Lava begins cooling

a)

A, B, C

b)

B, A, C

c)

B, C ,A

d)

C, A, B

134.

Sedimentary rocks often form horizontal strata. What are strata?

a)

Crystals

b)

Layers

c)

Mineral grains

d)

Pieces of older rocks

135.
The color of a mineral in powder form is called the mineral's 
a)
hardness
b)
specific gravity
c)
luster
d)
streak
136.
How light reflects off of a mineral is called the mineral's 
a)
luster
b)
streak
c)
cleavage
d)
fracture
137.
Why is coal not a mineral?
a)
It's not a solid
b)
It is man-made
c)
It is not inorganic
d)
It is made of carbon
138.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
139.
By definition, a mineral has which of the following characteristic(s)?
a)
definite chemical composition
b)
crystal structure
c)
naturally occuring
d)
all of the above
140.
How do you test the hardness of a mineral? 
a)
Throw it against a wall
b)
Step on it
c)
Scratch Test
d)
Kick it until it breaks
141.
What mineral is used for pencils?
a)
Graphite
b)
Galena
c)
Magnetite
d)
Quartz
142.
What mineral is salt?
a)
quartz
b)
sulfur
c)
halite
d)
calcite
143.
A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to
a)
density
b)
streak
c)
mineral
d)
non silicate mineral
144.
The solid, geometric form of a mineral produced by a repeating pattern of atoms
a)
crystal
b)
density
c)
element
d)
fracture 
145.
What mineral is the softest mineral on Moh's Hardness Scale and the main ingredient in baby powder?
a)
feldspar
b)
talc
c)
gypsum
d)
kaolinite
146.
The mineral halite is formed by 
a)
hot water solutions
b)
cooling of magma
c)
cooling of lava
d)
evaporation
147.
The mineral in the picture has a ____________ luster.
a)
Nonmetallic
b)
Metallic
c)
Pearly
d)
Earthy
148.
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
149.
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
150.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
cleavage
d)
streak
151.

Ore minerals can form in all of the following places EXCEPT

a)

at the surface of an area that was once covered by water

b)

at the bottom of a water body

c)

in fractures within rocks

d)

in a bed of hot, flowing lava

152.

Sand, gravel, and granite are examples of

a)

metallic minerals

b)

metallic elements

c)

nonmetallic minerals

d)

aluminum

153.

Which of the following describes a metallic mineral?

a)

silver

b)

a mineral that conducts electricity, has a shiny surface, and is opaque

c)

copper

d)

all of the above

154.

___ are pure substances that cannot be broken down into simpler substances by ordinary chemical means.

a)

Minerals

b)

Compounds

c)

Crystals

d)

Elements

155.
In winter, the axis of the earth is pointed away or toward the sun?
a)
towards
b)
up
c)
down
d)
away
156.
In summer, the axis of the earth is pointed away or toward the sun?
a)
towards
b)
up
c)
down
d)
away
157.
Why is the Equator warmest?
a)
Because it is closest to the sun.
b)
Because it receives the most direct sunlight
c)
Because no clouds form here.
d)
Because it is far from the sun
158.
Which season is taking place in the Northern Hemisphere in Position 1?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
159.
Which season is taking place in the Northern Hemisphere in Position 3?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
160.
If its ____ in the Northern hemisphere, then its summer in the Southern hemisphere. 
a)
spring
b)
summer
c)
fall
d)
winter
161.
What are the reasons for the season?
a)
Earth's tilt & rotation
b)
Earth's tilt & revolution
c)
Earth's rotation & size
d)
Earth's tilt & resolution
162.
The term equinox means....
a)
equal amount of day light and equal amount of night
b)
Equal amount of winter and summer
c)
Equal amounts of hot dogs for everyone
d)
The longest day of the year
163.
The Earth's axis is tilted _____ degrees.
a)
23.5
b)
25.3
c)
30.2
d)
24
164.
Why does the area around the equator stay the same temperature all year?
a)
The equator rotates slower than the poles.
b)
The equator remains the same distance from the sun.
c)
The equator always receives direct sunlight.
d)
The equator has 18 hour days.
165.
One rotation of Earth is equal to
a)
a day.
b)
a year.
166.
The Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.
a)
vernal equinox
b)
axis
c)
solar eclipse
d)
solar flare
167.
Longest day of the year
a)
Autumnal Equinox
b)
Summer Solstice 
c)
Winter Solstice
d)
Vernal Equinox
168.
Shortest day of the year
a)
Autumnal Equinox
b)
Summer Solstice 
c)
Winter Solstice
d)
Vernal Equinox
169.
One year is...
a)
355 days
b)
355 1/4 days
c)
365 days
d)
365 1/4 days
170.

Contains the Ozone Layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

171.

Where ALL weather takes place.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

172.

Located CLOSEST to Earth's surface.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

173.

Where most water vapor is found.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

174.

Meteors burn up in this layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

175.

Coldest layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

176.

Contains molecules that absorb harmful ultraviolet rays.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

177.

Hottest layer, thinnest air.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

178.

Where satellites orbit.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

179.

Greatest air pressure because it has the most molecules.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

180.

Auroras and Northern Lights occur here.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

181.

Eventually fades into space.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

182.

Air pressure decreases as altitude increases.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

183.

Temperature increases with altitude (height). PICK TWO.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

184.

Temperature decreases with altitude (height). PICK TWO.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

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