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Study Guide Mid-Term Question Bank

Total questions: 195

Worksheet time: 4hrs 58mins

Name
Class
Date
1.

The process that breaks down rocks and other materials on Earth's surface is called

a)

Weathering

b)

Erosion

c)

Deposition

d)

Decomposition

2.

A cliff formed near the ocean. Which statement best describes how this cliff formed?

a)

Warm air melted the rock.

b)

Sun rays evaporated the rock.

c)

Ocean waves washed away rock.

d)

Plant roots pushed away the rock.

3.
What is the process that picks up and moves weathered rocks?
a)
Deposition
b)
Landslide
c)
Weathering
d)
Erosion
4.

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

a)

A glacier

b)

An iceberg

c)

An ice wedge

d)

A sand dune

5.

How do plants weather rocks?

a)

During photosynthesis

b)

When roots grow into cracks of rocks and expand the rock breaks.

c)

When the plant moves water from the roots to the leaves, the rock breaks.

d)

Plants don't weather rocks.

6.

Which of the following is NOT a slow change to Earth's surface?

a)

Weathering

b)

Erosion

c)

Deposition

d)

Landslides

7.

A delta is formed by the action of -

a)

weathering

b)

erosion

c)

deposition

d)

condensation

8.

Rocks being picked up and carried downstream is an example of ____________.

a)

weathering

b)

erosion

c)

deposition

9.

Which type of weathering occurs when rocks are chemically broken down or dissolved by substances in the environment?

a)

Physical

b)

Chemical

10.

Which type of weathering occurs when living things mechanically break down (crack, dig etc.) rocks and minerals?

a)

Chemical

b)

Physical

11.
What part of trees, grass, or other plant holds soil in place to prevent erosion?
a)
flowers
b)
trunk or stem
c)
roots
d)
leaves
12.

The process in which sediment settles out (drops to the bottom) of the water or wind that is carrying it

a)

Weathering

b)

Erosion

c)

Sedimentation

d)

Deposition

13.

Which best describes the surface of the earth over billions of years?

a)

High mountains gradually wear down until most of the earth is at sea level

b)

High mountains stay side by side for billions of years with little change

c)

Flat surface is gradually pushed up into higher and higher mountains until the earth is covered with mountains

d)

High mountains gradually wear down as new mountains are continuously being formed, over and over again

14.

What always plays the main role in a landslide, regardless of the cause?

a)

Mud

b)

Gravity

c)

Wind

15.

Which letter has a higher speed?

a)

A

b)

B

16.

Which letter is there more deposition occurring?

a)

A

b)

B

17.

Which letter has the lowest speed?

a)

A

b)

B

18.

Which letter has the most weathering and erosion occurring?

a)

A

b)

B

19.

What would the river channel look like from B to B'

a)
b)
c)
20.

What is a meander?

a)

A straight river

b)

A bend in the river

c)

The start of a river

d)

The flow of the river

21.

What would the river channel look like from C to C'

a)
b)
c)
22.

What is the ultimate driving force for W.E.D.?

a)

The tides

b)

The moon

c)

The sun

23.

Geologists have classified rocks into three major groups of rocks which are:

a)

inorganic, organic and chemical rocks

b)

igneous, sedimentary and metamorphic rocks

c)

metamorphic, chemical and non chemical rocks

d)

sedimentary, inorganic and igneous rocks

24.

Any rock that forms from another rock as a result of changes in heat or pressure (or both) is a:

a)

chemical rock

b)

igneous rock

c)

sedimentary rock

d)

metamorphic rock

25.

What kind of igneous rock usually contains large visible crystals?

a)

clastic

b)

extrusive

c)

organic

d)

intrusive

26.

You find a deposit of organic limestone. In what type of rock setting did it probably form? (hint - Owasso has limestone because this area was once an ______)

a)

the ocean

b)

a volcano

c)

a swamp

d)

sand dunes

27.

As lava cools and crystallizes, what type of rock will form?

a)

Sedimentary

b)

Metamorphic

c)

Extrusive Igneous

d)

Intrusive Igneous

28.

The three groups of rocks are classified by

a)

How they form

b)

Color

c)

Grain size

d)

Chemical Composition

29.

Fossils are only found in

a)

Sedimentary rocks

b)

Foliated Metamorphic rocks

c)

Igneous Rocks

d)

Nonfoliated Metamorphic rocks

30.
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
31.
This rock started as molten magma. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
32.
Cooling & crystalization produce
a)
igneous rocks
b)
metamorphic rocks
c)
sedimentary rocks
33.
This rock formed when lava cooled very quickly on Earth's surface. What specific type of rock is it?
a)
Extrusive Igneous Rock
b)
Intrusive Igneous Rock
c)
Non-Foliated Metamorphic Rock
d)
Biochemical Sedimentary Rock
34.
This rock was found near the mouth of a volcano. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
35.
Which type of rock is made by small bits of rock, mud, or sand compacted and cemented together?
a)
Coal
b)
igneous
c)
metamorphic
d)
sedimentary
36.

Which type of rock is made from lava or magma cooling?

a)

igneous

b)

sedimentary

c)

metamorphic

37.

what is the rock cycle.

a)

molten rock that is stored underground.

b)

rock material that forms where rocks are broken down into smaller pieces.

c)

a process that changes one type of rock into another type of rock.

38.

From your knowledge of Earth's crust, where would you most likely find igneous rocks like basalt?

a)

Within mountain ranges

b)

In my backyard

c)

On the ocean floor

d)

Sandy Beaches

39.

What is molten or liquid rock material that is deep beneath the Earth's surface?

a)

grain

b)

lava

c)

magma

d)

rock

40.

What is molten rock that erupts onto or above the Earth’s surface?

a)

grain

b)

lava

c)

magma

d)

sediment

41.

Which process is best illustrated by the diagram?

a)

igneous rock formation

b)

sedimentary rock formation

c)

igneous rocks changing into metamorphic rocks

d)

sedimentary rocks changing into metamorphic rocks

42.

Schist and quartzite are examples of metamorphic rocks. Which processes are necessary for the formation of metamorphic rocks?

a)

cooling and weathering

b)

cooling and pressure

c)

heating and pressure

d)

weathering and heating

43.

Why are most fossils found in sedimentary rocks?

a)

Sedimentary rocks crush a lot of fossils

b)

Organisms live only in areas with sedimentary

rock

c)

Organisms can be preserved in sedimentary

rock.

44.

The best answer for section "B"

a)

metamorphic/melting

b)

compaction/cementation

c)

weathering/erosion

d)

heat/pressure

45.

Why do some rocks fizz in HCl (acid)?

a)

They are formed from other rocks.

b)

They have organic sediments.

c)

They are layered.

46.

In the picture, what is the process shown by #7?

a)

Weathering and Erosion

b)

Heat and Pressure

c)

Melting

d)

Cooling

e)

Compacting and Cementing

47.

Using the picture, what is the process shown by #8?

a)

Melting

b)

Cooling

c)

Compacting and Cementing

d)

Heat and Pressure

e)

Weathering and Erosion

48.

Rocks that have sparkles are usually _____.

a)

metamorphic

b)

sedimentary

c)

igneous

49.

Minerals are ____. Rocks are ______ minerals.

a)

a pure substance, a combination of

b)

rocks, just

c)

vitamins, large

50.

Which answer causes earthquakes?

a)

plates slipping

b)

a hurricane

c)

water weathering rocks

d)

tidal stresses caused by the moon

51.

Volcanoes in the Ring of Fire were formed near______.

a)

hot spots.

b)

subduction zones.

c)

divergent boundaries.

d)

normal faults.

52.

A _____________ measures the size of an earthquake.

a)

barometer

b)

Doppler radar

c)

depth scale

d)

seismograph

53.

Volcanoes are constructive because they _____________.

a)

deposit lava and make new seafloor

b)

cause weathering and erosion

c)

cause earthquakes

d)

release gases

54.

Why does Iceland have so many active volcanoes?

a)

It lays over two tectonic plates colliding.

b)

It lays over two tectonic plates moving apart.

c)

It's on a single tectonic plate, away from plate boundaries.

d)

It's on a single tectonic plate that's moving under another plate.

55.

What could form when an oceanic plate subducts under a continental plate?

a)

volcanic mountain

b)

transform boundary

c)

continental shelf

d)

normal fault

56.

How do mountains form?

a)

when tectonic plates spread apart

b)

when they bubble in the mantle

c)

when two continental plates push against each other, forcing the rock upward.

d)

when lava pushes up

57.

A big wave caused by an earthquake on the ocean floor is called a....

a)

epicenter

b)

hurricane

c)

fault

d)

tsunami

58.

The spot where the earthquake's energy snaps underground. Figure A

a)

fault

b)

focus

c)

epicenter

d)

vent

59.

What is the definition of a dormant volcano?

a)

sleeping but can awaken

b)

extinct- it won't come back

c)

active- signs of activity

d)

invisible activity

60.

Which type of wave travels the fastest?

a)

P wave (primary wave)

b)

S wave (secondary wave)

c)

Surface Wave

61.

How does water get into the magma of Ring of Fire volcanoes?

a)

There are springs and reservoirs under the volcanic magma.

b)

The water gets into the magma from melting glaciers.

c)

Seawater is carried with the subducting plate into the mantle.

d)

The magma is basaltic and has no water in it.

62.

What is driving the movement of the tectonic plates?

a)

Gravity

b)

Tides caused by lunar activity

c)

Convection currents in the mantle

d)

weather currents

63.

What percentage of Earth's volcanoes are found in the Ring of Fire?

a)

10%

b)

25%

c)

50%

d)

75%

64.

Carbon-12 is a common component of living organisms. Where did the Carbon-12 found in the volcanic gasses come from? (this is a more advanced idea but goes along with what you know when seawater subducts)

a)

Phytoplankton from the seafloor sediment that has been carried down during subduction.

b)

Animals that live in and around volcanoes.

c)

Volcanic limestone melting.

d)

Molecular reactions causing the loss of electrons from Carbon-14.

65.

What percentage of all earthquakes occur around the Ring of Fire?

a)

25%

b)

50%

c)

75%

d)

90%

66.

Where are deep sea trenches found?

a)

Along convergent plate boundaries.

b)

Along divergent plate boundaries.

c)

Along transform plate boundaries.

d)

Around volcanic hot spots.

67.

Divergent boundaries are marked by what geologic feature?

a)

Volcanic island arcs

b)

Subduction trenches

c)

Mid-ocean ridges

d)

Seamounts

68.

Plates that diverge or move apart from each other

a)

divergent

b)

transform

c)

convergent

d)

lithosphere

69.

Continental plate collides with another continental plate creates

a)

volcanoes at a subduction zone

b)

volcanoes at a mid ocean ridge

c)

rift valley

d)

folded mountains

70.

What type of plate boundary is shown in the picture?

a)

folded mountains

b)

transform

c)

convergent

d)

divergent

71.
What geologic feature/event you be most likely to find at a transform boundary?
a)
Earthquakes
b)
Volcanoes
c)
Mountains
d)
Rift Valleys
72.

The area where two or more plates meet is called a __________________.

a)

fault

b)

plate boundary

c)

plate edge

d)

ring of fire

73.

What is the point on the Earth’s surface directly above the focus of an earthquake? (letter B)

a)

Epicenter

b)

Fault

c)

Hypocenter

d)

Tremor

74.

S Waves or secondary waves can move through which of the following? (hint by using different earthquake waves they could figure out earth layers)

a)

Liquids only

b)

Solids only

c)

Liquids but not solids

d)

Liquids and solids

75.

Where are volcanoes located?

a)

Places where plates move apart

b)

Places where plates are moving together

c)

Hot Spots

d)

All of these options

76.

What is the best explanation for why oceanic crust is subducted by continental crust?

a)

The oceanic crust is cooler than continental crust.

b)

Continental crust is denser than oceanic crust.

c)

Oceanic crust is denser than continental crust.

d)

The oceanic crust is hotter than continental crust.

77.
This famous transform fault is located in the western United States creates significant earthquake activity for California
a)
Sierra Nevada Seismic Zone
b)
Denali Fault
c)
San Fransisco 
d)
San Andreas
78.

The Richter scale measures:

a)

the amount of radon gas released

b)

the damage caused

c)

the strength of an earthquake

d)

the weight of tectonic plates

79.

An instrument that detects and measures earthquakes is a

a)

sonogram

b)

focus seismic map

c)

epicenter

d)

seismometers

80.

At about what time did all of the S-waves hit?

a)

20 sec

b)

45 sec

c)

60 sec

d)

10 seconds

81.
Earthquakes happen every day. Most are too small for humans to notice.
a)
True
b)
False
82.

These are the first waves released during an earthquake

a)

S waves

b)

Surface Waves

c)

P waves

83.

What natural disaster has killed more people when tectonic plates move?

a)

volcanoes

b)

subduction

c)

tsunamis

d)

earthquakes

84.

Tsunami means_______________.

a)

harbor wave in Japanese

b)

harbor wave in English

c)

surfer wave in Japanese

d)

surfs up in Chinese

85.

Tsunamis can be caused by _____________.

a)

an asteroid impact

b)

an earthquake

c)

a giant landslide into the water

d)

all of the answers

86.

Lituya Bay had the ___________ tsunami because an earthquake caused such a large landslide into the bay. There were __________ survivors to tell the tale.

a)

tallest recorded, a few

b)

tallest recorded, no

c)

widest recorded, 1,000

d)

deepest recorded, no

87.

Seismic waves carry___________.

a)

energy

b)

light

c)

rock particles

d)

faults

88.

How does temperature change as you move from the crust to the core?

a)

it gets cooler

b)

it gets hotter

c)

it stays the same

d)

the core is frozen

89.
What layer is shown by letter A?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
90.
What layer is shown by letter B?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
91.
What layer is shown by letter C?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
92.

What layers work together to create the earth's magnetic field?

a)

the convection currents in the asthenosphere

b)

the lithosphere sliding on the asthenosphere

c)

the Inner core spinning in the outer core

93.

What layers work together to create the earth's magnetic field?

a)

the convection currents in the asthenosphere

b)

the lithosphere sliding on the asthenosphere

c)

the Inner core spinning in the outer core

94.

Which is the best description of the characteristics of the asthenosphere?

a)

Solid, but flowing

b)

Brittle, but shifting

c)

Hot, but solid metal

95.

According to scientific data, which layer of Earth is the thickest?

a)

Crust

b)

Inner core

c)

Mantle

d)

Outer Core

96.

Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer?

a)

A metal ball bearing (solid) suspended in oil (liquid).

b)

Gelatin (red semi-solid) on top of a cracker (brittle solid).

c)

A ball of clay (solid) filled with water (liquid).

d)

Rubber ball (flexible solid) painted red (thin solid covering).

97.

Which of Earth’s layers would be best modeled as a metallic sphere?

a)

Mantle

b)

Outer core

c)

Crust

d)

Inner core

98.

Which layer of Earth is characterized by rock that is like fudge, solid but can flow ?

a)

asthenosphere

b)

crust

c)

inner core

d)

lithosphere

99.

Pressure ______________________ as you go deeper into the Earth

a)

increases

b)

decreases

c)

stays the same

100.

The lithosphere combines what two layers?

a)

Athenosphere & Crust

b)

Crust & Upper Mantle

c)

Mantel & Asthenosphere

101.

Large pieces of lithosphere that move around on the asthenosphere are called

a)

Crust plates

b)

Tectonic plates

c)

Mantle pieces

d)

Core plates

102.

Scientists determine what Earth’s interior layers looks like by using:

a)

Convection Currents

b)

Seismic (earthquake) Waves

c)

Continental Drift

103.

Oceanic crust is _____ than continental crust.

a)

denser

b)

less dense

104.

What effect does the spinning of the earth’s core have?

a)

It creates the earth's magnetic field

b)

It creates matter

c)

It creates mass

105.

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

106.

Which of the following occurs because of convection currents?

a)

Tectonic plates on the crust move.

b)

The mantle increases in size.

c)

Pressure in the crust increases.

d)

Pressure in the crust decreases.

107.
Which is made of granite?
a)
Oceanic crust
b)
Continental crust
108.

Oceanic crust is primarily composed of

a)

Basalt

b)

Granite

109.

The core heats up the mantle like a _________.

a)

stove heats up a pot of soup

b)

electricity goes through a cord

c)

switch turns on a lightbulb

110.

Based on the information in the table, what can you conclude about the density of the Earth’s layers?

a)

The density of the layers decreases as the pressure increases.

b)

The density of the layers increases as the temperature decreases.

c)

The density increases in layers that are closer to the core of the Earth.

d)

The density increases in layers that are closer to the surface of the Earth.

111.

Scientists can find evidence of earth's layers from studying__________.

a)

Rocks that may have uplifted or come out of volcanos from the mantle

b)

tree layers

c)

what minerals can combine to make rocks

112.

Our magnetic field protects our planet from________.

a)

solar wind

b)

cosmic rays

c)

the suns deadly rays

d)

all of the answers

113.

The farthest man has drilled down in the earth is the Kola borehole that is _________.

a)

7 1/2 miles deep

b)

77 miles deep

c)

700 miles deep

114.

At the top of a convection current the mantle rock will_____.

a)

start to fall

b)

continue to rise

c)

go up or down depending on the area

115.

Mars used to have layers like our planet because_______.

a)

It had volcanoes-evidence of magma.

b)

It has magnetic rock crystals-a magnetic field must of existed.

c)

It has evidence of water.

d)

All of the answers are evidence

116.

The distance to the center of the earth is like flying from Tulsa, Oklahoma to_____________.

a)

Dallas, Texas about 315miles

b)

London, England about 4,000 miles

c)

New York, NY 1,600 miles

117.

What did Wegener name the large supercontinent where all the continents were joined together?

a)

Wegenerland

b)

Gondwanaland

c)

Laurasia

d)

Pangaea

118.

Most geologists rejected Wegener's idea of Continental Drift because _________.

a)

He used too many pieces of evidence to support the idea.

b)

He wanted to know what Earth looked like millions of years ago, which is impossible.

c)

He couldn't identify "how" continents to move around.

d)

They were afraid of the new idea.

119.

Wegener used the fit of the continents as evidence to support his hypothesis of Continental Drift.

a)

true

b)

false

120.

Wegener used matching matching fossils of the same organisms on different continents as evidence to support his hypothesis of Continental Drift.

a)

true

b)

false

121.

What were 2 kinds of evidence were used to prove that the seafloor spread?

a)

rock formations, WWII shipwrecks,

b)

magnetic seafloor stripes, WWII ship logs

c)

magnetic seafloor stripes, age of rock samples

122.

What technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?

a)

Sonar

b)

Radiam

c)

GPS

123.

Process by which new ocean crust forms.

a)

Seafloor spreading

b)

Continental drift

c)

Mid-ocean ridge

d)

Rift

124.

Undersea mountain ranges are called a_________.

a)

Rift

b)

Mid-ocean ridge

c)

seafloor spreading

d)

Continental drift

125.

The OLDEST seafloor is located?

a)

Closest to the mid-ocean ridge

b)

Farthest from the mid-ocean ridge

126.

Sea-floor spreading begins at the

a)

Deep ocean trench

b)

Mid-ocean ridge

c)

Continent's edge

127.

Older crust is found towards the...

a)

Mid-ocean ridge

b)

Deep-ocean trench

c)

Asthenosphere

128.

Wegener's idea of Continental Drift was rejected by geologists because _________.

a)

He used too many pieces of evidence to support the idea.

b)

He wanted to know what Earth looked like millions of years ago, which is impossible.

c)

He couldn't identify how or even why the continents to moved around.

d)

They were afraid of the new idea.

129.

Who is the person credited with developing the theory of continental drift?

a)

Harry Hess

b)

Albert Einstein

c)

Alfred Wegener

d)

Isaac Newton

130.

Who came up with the theory of seafloor spreading?

a)

Harry Hess

b)

Alfred Wegner

c)

Mrs. White

131.

Why were magnetic patterns found on the ocean floor puzzling?

a)

They showed alternating bands of rock crystals pointing north and south.

b)

No rocks were magnetic.

c)

They did not show alternating bands of rock crystals pointing north and south.

d)

All rocks were magnetic.

132.
What is label G
a)
Trench
b)
Mid ocean ridge
c)
abyssal plain
d)
sea mount
133.

What do you call the evidence of Wegener's Theory that tells about the remains of an organism that lived long time ago?

a)

ashes

b)

follicles

c)

bones

d)

fossils

134.

What causes continents to move?

a)

seafloor spreading

b)

convection currents swirling

c)

magma oozing out of a mid ocean ridge

d)

all of the above

135.

What is the rate at which the Atlantic Ocean is expanding?

a)

5-10 cm per year- like how our fingernails grow

b)

5-10 feet per year

c)

5-10 km per year

136.

True or False: The plates will never stop moving

a)

True

b)

False

137.
This is a picture of glacier scars found in Africa.  What are these evidence for?
a)
Africa has always been near the equator
b)
Africa was once in an area of the Earth that had a very cold climate
c)
The continents have not moved
d)
sea floor spreading
138.

The Glomar Challenger_____

a)

is a space shuttle

b)

is an oil rig

c)

has been drilling seafloor samples for over 50 years

139.

Before sonar waves evidence, people believed that the ocean was ______.

a)

had mountains just like on land

b)

was coral reefs

c)

flat and sandy

140.

Which of the following places the geologic time eras in order from oldest to most recent?

a)

Precambrian, Paleozoic, Mesozoic, Cenozoic

b)

Mesozoic, Cenozoic, Paleozoic, Precambrian

c)

Cenozoic, Mesozoic, Paleozoic, Precambrian

d)

Paleozoic, Cenozoic, Precambrian, Mesozoic

141.

The ______________ era covers 80%-88% of earth's history.

a)

Paleozoic

b)

Mesozoic

c)

Cenozoic

d)

Precambrian

142.
Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
a)
True
b)
False
143.

The Geologic Time Scale is a record of what?

a)

old geologists

b)

sweet geology music

c)

the known history of rocks and fossils

d)

a list of every living thing ever

144.

What time Era do we live in?

a)

Mesozoic

b)

Cenozoic

c)

Paleozoic

d)

Pre-Cambrian

145.

Known as the age of the mammals?

a)

Mesozoic Era

b)

Holocene Epoch

c)

Cenozoic Era

d)

Cambrian

146.

The dinosaurs and reptiles were dominant in which Era?

a)

Precambrian

b)

Mesozoic

c)

Paleozoic

d)

Cenozoic

147.

The disappearance of a species.

a)

Evolution

b)

Extinction

c)

Migration

d)

Mutation

148.

Mammals evolved and diversified in this era

a)

cenozoic

b)

paleozoic

c)

phanerozoic eon

d)

mesozoic

149.

a mass extintion is

a)

a short geological time when most species die

b)

a short geological time when some species die

c)

a long geological time when most species die

d)

a long geological time when a fraction of species die

150.

Which era is the longest?

a)

Cenozoic

b)

Cambrian

c)

Precambrian

d)

Phanerozoic

151.

Jellyfish are one of the oldest species on Earth. In what time period did they first appear?

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

152.

Which Era was mainly dominated by dinosaurs?

a)

Cenozoic

b)

Jurassic

c)

Mesozoic

d)

Paleozoic

153.

Which Era occurred last (most recent)?

a)

Cenozoic

b)

Mesozoic

c)

Paleozoic

154.

Which period is closest to present day?

a)

Cambrian

b)

Devonian

c)

Triassic

d)

Tertiary

155.

What type of environment do you think was present during the Devonian Period?

a)

mostly land

b)

land with some water

c)

mostly water

156.

What is the oldest organism on the geologic time scale from the choices below?

a)

primitive horses

b)

sea scorpions

c)

giant insects

d)

trilobites

157.

Which organisms are the most recent (closest to present day)from the choices below?

a)

primitive reptiles

b)

giant insects

c)

primitive horses

d)

brachiopods

158.
Which era ended with the K-T extinction, probably due to an asteroid?
a)
Paleozoic
b)
Phanerozoic
c)
Cenozoic
d)
Mesozoic
159.

Which period did "Lucy" the Australopithecus appear in?

a)

Triassic Period

b)

Pre-Cambrian Era

c)

Cenozoic Era

d)

Carboniferous Period

160.

We think our early atmospheric oxygen came from

a)

asteroids

b)

comets

c)

cyanobacteria from the Pre-Cambrian era

d)

vascular plants

161.

Finding Fossils from the Precambrian Time are rare because_____.

a)

Fossils of soft organisms are really rare

b)

the fossils would be extremely old and might of been destroyed in the rock cycle

c)

the fossils are so small you need a microscope unless they are clumped together in big colonies

d)

all answers are true

162.

The Permian Extinction or "Great Dying" ended the _____era with about 95% of life going extinct . This was the biggest mass extinction our planet has ever faced.

a)

Pre-Cambrian Time

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

163.

The Cambrian Explosion is____

a)

the extinction from Pre-Cambrian time

b)

when life explodes and is very diverse and abundant

c)

when bombs exploded in Cambria

d)

an explosion of volcanoes during the Pre-Cambrian time

164.

One way that mammals survived the age of dinosaurs was to ______.

a)

have fur to keep warm

b)

hide underground from predators

c)

keep babies inside their bodies instead of eggs in a nest

d)

all of the answers are correct

165.

During Pre-Cambrian Time the ______.

a)

sun was dying

b)

the big bang was forming

c)

the earth and moon was forming

d)

early humans were inventing fire

166.

Coal is from _____and oil is from ______.

a)

woods, swamp life

b)

rocks, mud

c)

fish, sponges

167.

If all of earth's history was in one calendar year when did humans appear?

a)

December

b)

November

c)

July

d)

January

168.

Which lab tool might you use to measure the volume of a liquid?

a)

electric scale

b)

bunsen burner

c)

test tube

d)

graduated cylinder

169.

What is the volume of Object X?

a)

10 cm3

b)

15 cm3

c)

20 cm3

d)

25 cm3

170.

What is the formula for density?

a)

density = mass x volume

b)

density = mass / volume

c)

density = mass + volume

d)

density = mass - volume

171.

Which liquid is the least dense?

a)

oil

b)

water

c)

syrup

d)

plastic bottle

172.

Calculate the density of the block.

a)

2 g/cm3

b)

4 g/cm3

c)

6 g/cm3

d)

8 g/cm3

173.

Calculate the density of the block.

a)

2 g/cm3

b)

4 g/cm3

c)

6 g/cm3

d)

8 g/cm3

174.

Will an object with a density of 1.01 g/cm3 float or sink?

a)

float

b)

sink

175.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
176.

Which TWO objects have the same DENSITY based from the table below?

a)

A and B

b)

A and C

c)

B and C

d)

B and D

177.
What is the density of water?
a)
0 g/ml
b)
1 g/ml
c)
10 g/ml
d)
100 g/ml
178.
Hot air
a)
Rises
b)
Sinks
c)
Stays in the same place
d)
Freezes
179.
Hot air
a)
Rises
b)
Sinks
c)
Stays in the same place
d)
Freezes
180.
Cold air is ______ than hot air
a)
Less dense
b)
More dense
181.

Which substance has the highest density?

a)

Oil

b)

Water

c)

Syrup

182.

Which substance has the lowest density?

a)

Oil

b)

Water

c)

Syrup

183.

Which substance has the highest density?

a)

Plastic Block

b)

Cork

c)

Grape

184.
Why do ice cubes float in a  glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
185.

What is a factor that can change in an experiment?

a)

Claim

b)

Variable

c)

Scientific Inquiry

d)

Hypothesis

186.

Factor that you keep the same in an experiment

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

d)

Operational Definition

187.

What variable in an experiment is measured? - it is also called the responding variable. It just __________. You have to wait and see....

For example: measuring the amount of mold on bread

a)

Dependent variable

b)

Operational Definition

c)

Independent Variable

d)

Control Variable

188.

Why is it important to share a conclusion in an experiment?

a)

It could help someone else figure out the same question or problem.

b)

Sharing information is always a required step.

c)

It's not that important.

189.

What are diverse ways that scientists study the natural world and propose explanations based on evidence?

a)

Scientific Law

b)

Scientific Theory

c)

Scientific Inquiry

d)

Scientific Calculator

190.

What can be defined as:

a possible explanation for a set of observations, or an educated guess that must be "testable."

a)

purpose

b)

experiment

c)

hypothesis

d)

Conclusion

191.

Why do scientists conduct experiments?

a)

To make a lot of money.

b)

To ask a question.

c)

To make a hypothesis.

d)

To prove a prediction is correct.

192.

Graphing data can help you recognize

a)

predictions

b)

patterns

c)

inferences

d)

bias

193.

Term that describes a situation by using numbers:

a)

quantitative observation

b)

qualitative observation

c)

inference

d)

hypothesis

194.
Which of these is a qualitative observation?
a)
The boy is 5 feet tall.
b)
There are six birds in the tree.
c)
The birds are tiny.
d)
There are more blue birds than black birds. 
195.

Does this image show results that are accurate and/or precise?

a)

Accurate, but not precise

b)

Precise, but not accurate

c)

Both precise and accurate

d)

Neither precise nor accurate