earth science review this is review for the ga milestones test. on a piece of notebook paper, head...

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Earth Science Review Earth Science Review This is review for the GA Milestones This is review for the GA Milestones test. test. On a piece of notebook paper, head On a piece of notebook paper, head your paper with your name, homeroom your paper with your name, homeroom and Earth Science. Number your paper and Earth Science. Number your paper - 1-50. You only need to write the - 1-50. You only need to write the letter of the correct answer on your letter of the correct answer on your paper. You are welcome to use your paper. You are welcome to use your ISN or your book to answer the ISN or your book to answer the questions. You may work with a questions. You may work with a partner if you pick your partner partner if you pick your partner

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Page 1: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Earth Science ReviewEarth Science ReviewThis is review for the GA Milestones test. This is review for the GA Milestones test.

On a piece of notebook paper, head your paper On a piece of notebook paper, head your paper with your name, homeroom and Earth Science. with your name, homeroom and Earth Science. Number your paper - 1-50. You only need to write Number your paper - 1-50. You only need to write the letter of the correct answer on your paper. You the letter of the correct answer on your paper. You are welcome to use your ISN or your book to are welcome to use your ISN or your book to answer the questions. You may work with a partner answer the questions. You may work with a partner if you pick your partner wisely. if you pick your partner wisely.

Good luck and turn it in to the science basket Good luck and turn it in to the science basket when you are done. when you are done.

Page 2: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 1Question 1

Which one of the following is MOST LIKELYWhich one of the following is MOST LIKELY

to make a rock break open?to make a rock break open?

A. dew evaporating on the rockA. dew evaporating on the rock

B. tree leaves decaying on the rock B. tree leaves decaying on the rock

C. snow melting in a crack in the rock C. snow melting in a crack in the rock

D. water freezing in a crack in the rock D. water freezing in a crack in the rock

Page 3: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 2Question 2

What instrument does a geologist useWhat instrument does a geologist useto record the motions produced by anto record the motions produced by anearthquake?earthquake?A. a seismograph A. a seismograph B. an anemometer B. an anemometer C. a spectrograph C. a spectrograph D. an optometer D. an optometer

Page 4: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 3Question 3

In which state would an earthquake MOSTIn which state would an earthquake MOST

LIKELY occur?LIKELY occur?

A. Kentucky A. Kentucky

B. Georgia B. Georgia

C. California C. California

D. Oklahoma D. Oklahoma

Page 5: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 4Question 4

Why are the rocks and pebbles found inWhy are the rocks and pebbles found in

riverbeds usually smooth?riverbeds usually smooth?

A. The rocks are very old.A. The rocks are very old.

B. Animals in the river keep rubbing against B. Animals in the river keep rubbing against the rocks. the rocks.

C. Rivers only flow where rocks are smooth. C. Rivers only flow where rocks are smooth.

D. The rocks are worn smooth by rubbing D. The rocks are worn smooth by rubbing against other rocks. against other rocks.

Page 6: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 5Question 5

The time it takes for a mountain range toThe time it takes for a mountain range to

form isform is

A. less than 10 years. A. less than 10 years.

B. between 10 and 50 years. B. between 10 and 50 years.

C. between 50 and 100 years. C. between 50 and 100 years.

D. more than 100 years. D. more than 100 years.

Page 7: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 6Question 6

Which statement describes a volcanoWhich statement describes a volcano

erupting?erupting?

A. Glacier materials are moved by gravity. A. Glacier materials are moved by gravity.

B. Magma is forced out of an opening in Earth's B. Magma is forced out of an opening in Earth's crust. crust.

C. Pressure in Earth's crust causes layers of rock C. Pressure in Earth's crust causes layers of rock to slide. to slide.

D. Pressure in Earth's crust becomes so great that D. Pressure in Earth's crust becomes so great that the layers of rock buckle and fold the layers of rock buckle and fold

Page 8: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 7Question 7

In many places, sand is being pumped fromIn many places, sand is being pumped from

the sea floor onto the beaches. Why is therethe sea floor onto the beaches. Why is there

a need to put sand on beaches?a need to put sand on beaches?

A. The sand on the beaches wears out. A. The sand on the beaches wears out.

B. Wave action causes erosion of the sand.B. Wave action causes erosion of the sand.

C. Too much sand is piled into sand dunes. C. Too much sand is piled into sand dunes.

D. Old, dirty sand has to be replaced. D. Old, dirty sand has to be replaced.

Page 9: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 8Question 8

Which example shows how Earth's surfaceWhich example shows how Earth's surface

has been changed by fast-moving water?has been changed by fast-moving water?

A. earthquake A. earthquake

B. canyon B. canyon

C. volcano C. volcano

D. freshwater lake D. freshwater lake

Page 10: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 9Question 9

Which is an example of chemicalWhich is an example of chemical

weathering?weathering?

A. rocks hitting each other in a swift river A. rocks hitting each other in a swift river

B. a strong wind blowing sand through a B. a strong wind blowing sand through a canyon canyon

C. ice forming in cracks in rocks C. ice forming in cracks in rocks

D. acidic water dissolving limestone D. acidic water dissolving limestone

Page 11: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 10Question 10

Which solution helps to control floods?Which solution helps to control floods?

A. using contour plowing A. using contour plowing

B. building bridges over rivers that flood B. building bridges over rivers that flood

C. building control dams and levees C. building control dams and levees

D. creating deltas at the end of rivers that D. creating deltas at the end of rivers that flood flood

Page 12: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 11Question 11

Which conservation method would helpWhich conservation method would help

prevent erosion of topsoil from a large fieldprevent erosion of topsoil from a large field

that is flat and unprotected?that is flat and unprotected?

A. building windbreaks A. building windbreaks

B. dam construction B. dam construction

C. contour plowing C. contour plowing

D. building terraces D. building terraces

Page 13: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 12Question 12

Do earthquakes occur underwater?Do earthquakes occur underwater?

A. No, earthquakes have to occur on land. A. No, earthquakes have to occur on land.

B. Yes, and they can cause huge tidal B. Yes, and they can cause huge tidal waves to occur. waves to occur.

C. No, only volcanoes occur underwater. C. No, only volcanoes occur underwater.

D. Yes, but they have no effect on the ocean D. Yes, but they have no effect on the ocean waters. waters.

Page 14: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 13Question 13

The natural process of rocks graduallyThe natural process of rocks gradually

breaking up and being worn away over timebreaking up and being worn away over time

is known asis known as

A. weathering. A. weathering.

B. cementing. B. cementing.

C. sedimentation. C. sedimentation.

D. melting. D. melting.

Page 15: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 14Question 14

Where does most eroded soil end up?Where does most eroded soil end up?

A. in new agricultural lands A. in new agricultural lands

B. in the desert B. in the desert

C. in the sediment of rivers C. in the sediment of rivers

D. in rock slides D. in rock slides

Page 16: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 15Question 15

The flattest part of the ocean floor is theThe flattest part of the ocean floor is the

A. trench. A. trench.

B. abyssal plain. B. abyssal plain.

C. continental shelf. C. continental shelf.

D. mid-ocean rift valley. D. mid-ocean rift valley.

Page 17: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 16Question 16

In which of the following areas would soilIn which of the following areas would soil

erosion MOST LIKELY occur if theyerosion MOST LIKELY occur if they

received the same amount of rainfall?received the same amount of rainfall?

A. a forest A. a forest

B. flat agricultural lands B. flat agricultural lands

C. agricultural lands on steep slopes C. agricultural lands on steep slopes

D. restored prairies D. restored prairies

Page 18: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 17Question 17

Because of the formation of new crust on itsBecause of the formation of new crust on its

floor, the Atlantic Oceanfloor, the Atlantic Ocean

A. is growing wider. A. is growing wider.

B. is getting narrower. B. is getting narrower.

C. has fewer mountains. C. has fewer mountains.

D. has lost some of its fishing grounds. D. has lost some of its fishing grounds.

Page 19: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 18Question 18

Water inside a rock crevice can split it apartWater inside a rock crevice can split it apart

when the temperature drops becausewhen the temperature drops because

A. cold water dissolves rock. A. cold water dissolves rock.

B. water expands when it freezes. B. water expands when it freezes.

C. water causes the growth of plant roots. C. water causes the growth of plant roots.

D. the cold makes the rock very brittle. D. the cold makes the rock very brittle.

Page 20: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 19Question 19

Waves on the Atlantic Ocean are caused byWaves on the Atlantic Ocean are caused by

A. the Gulf Stream. A. the Gulf Stream.

B. the tidal current. B. the tidal current.

C. the wind. C. the wind.

D. the jet stream. D. the jet stream.

Page 21: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 20Question 20

Which characteristic of oceans shows thatWhich characteristic of oceans shows that

they are in constant motion?they are in constant motion?

A. their organisms A. their organisms

B. their shape B. their shape

C. their depth C. their depth

D. their tides D. their tides

Page 22: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 21Question 21

"Rivers" of water in oceans and other bodies"Rivers" of water in oceans and other bodies

of water are calledof water are called

A. currents. A. currents.

B. tides. B. tides.

C. surf. C. surf.

D. sandbars. D. sandbars.

Page 23: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 22Question 22

Today, oceanographers map the ocean floorToday, oceanographers map the ocean floorusing sonar techniques. These techniquesusing sonar techniques. These techniqueswere adapted from the original sonarwere adapted from the original sonarsystems developed forsystems developed forA. divers. A. divers. B. locating fish. B. locating fish. C. submarine detection. C. submarine detection. D. communicating with dolphins. D. communicating with dolphins.

Page 24: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 23Question 23

Which is washed away MOST EASILY byWhich is washed away MOST EASILY by

erosion?erosion?

A. topsoil A. topsoil

B. subsoil B. subsoil

C. bedrock C. bedrock

D. magma D. magma

Page 25: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 24Question 24

Changes in Earth's surface can be slow orChanges in Earth's surface can be slow or

fast. Which of these is the BEST example offast. Which of these is the BEST example of

a slow change?a slow change?

A. volcanic eruption A. volcanic eruption

B. weathering B. weathering

C. landslide C. landslide

D. earthquake D. earthquake

Page 26: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 25Question 25

When a volcano no longer erupts, theWhen a volcano no longer erupts, the

magma inside the vent cools and formsmagma inside the vent cools and forms

A. melted igneous rock. A. melted igneous rock.

B. ash. B. ash.

C. cinders. C. cinders.

D. solid igneous rock D. solid igneous rock

Page 27: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 26Question 26

How were the Hawaiian islands formed?How were the Hawaiian islands formed?

A. by an earthquake A. by an earthquake

B. by volcanoes B. by volcanoes

C. by tidal waves C. by tidal waves

D. by wind erosion D. by wind erosion

Page 28: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 27Question 27

Mr. Gramza owns a large farm inMr. Gramza owns a large farm insouthwestern Georgia. This year, he plans to leavesouthwestern Georgia. This year, he plans to leaveseveral fields fallow (without crops). What shouldseveral fields fallow (without crops). What shouldMr. Gramza do to prevent soil erosion on theMr. Gramza do to prevent soil erosion on theempty fields?empty fields?A. Plant grass to hold the soil. A. Plant grass to hold the soil. B. Water the empty fields regularly. B. Water the empty fields regularly. C. Fertilize the soil throughout the growing season. C. Fertilize the soil throughout the growing season. D. Plow the soil deeply and regularly. D. Plow the soil deeply and regularly.

Page 29: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 28Question 28

Which describes the landform from which Which describes the landform from which

melted rock is forced out of an opening inmelted rock is forced out of an opening in

Earth's surface?Earth's surface?

A. fault A. fault

B. erosion B. erosion

C. volcano C. volcano

D. folded mountain D. folded mountain

Page 30: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 29Question 29

Which causes some parts of the ocean to beWhich causes some parts of the ocean to be

saltier than other parts?saltier than other parts?

A. cruise ships A. cruise ships

B. river sediments B. river sediments

C. fishing industry C. fishing industry

D. ocean organisms D. ocean organisms

Page 31: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 30Question 30

The Mississippi River deposits soil as itThe Mississippi River deposits soil as itempties into the Gulf of Mexico. Thisempties into the Gulf of Mexico. Thisexample shows thatexample shows thatA. rocks can dissolve in water. A. rocks can dissolve in water. B. flowing water carries soil from place to B. flowing water carries soil from place to

place. place. C. salt water is denser than freshwater. C. salt water is denser than freshwater. D. Earth's land area keeps growing. D. Earth's land area keeps growing.

Page 32: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 31Question 31

The formation of a gorge is MOST LIKELY aThe formation of a gorge is MOST LIKELY a

result ofresult of

A. earthquakes. A. earthquakes.

B. volcanoes. B. volcanoes.

C. water erosion. C. water erosion.

D. plate tectonics. D. plate tectonics.

Page 33: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 32Question 32

Which is NOT an effect of sewage put intoWhich is NOT an effect of sewage put into

the ocean?the ocean?

A. growth of bacteria A. growth of bacteria

B. growth of algae B. growth of algae

C. growth of coral C. growth of coral

D. death of marine lifeD. death of marine life

Page 34: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 33Question 33

Which explains how water in a river erodes a rock?Which explains how water in a river erodes a rock?

A. The water's weight compresses rock molecules. A. The water's weight compresses rock molecules.

B. The rock becomes filled with water and breaks B. The rock becomes filled with water and breaks apart. apart.

C. The water dissolves the outer part of the rock. C. The water dissolves the outer part of the rock.

D. The particles carried by the water grind the rock D. The particles carried by the water grind the rock down. down.

Page 35: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 34Question 34

Which landform results when one of Earth'sWhich landform results when one of Earth's

plates slides past another?plates slides past another?

A. faults A. faults

B. plateaus B. plateaus

C. mountains C. mountains

D. deltasD. deltas

Page 36: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 35Question 35

Your teacher tells you to bring an item toYour teacher tells you to bring an item to

class that shows evidence of erosion. Whichclass that shows evidence of erosion. Which

of the following would be the BEST to bring?of the following would be the BEST to bring?

A. a piece of lava from a volcanic area A. a piece of lava from a volcanic area

B. a crystal from the inside of a geode B. a crystal from the inside of a geode

C. a piece of slate from a slate quarry C. a piece of slate from a slate quarry

D. a round rock from a streambedD. a round rock from a streambed

Page 37: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 36Question 36

A moving portion of Earth's crust and upper A moving portion of Earth's crust and upper mantle is called a|mantle is called a|A. fault. A. fault. B. fold. B. fold. C. plate. C. plate. D. ridge. D. ridge.

Page 38: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 37Question 37

What is a common cause of mudflows?What is a common cause of mudflows?A. strong winds A. strong winds B. extreme cold B. extreme cold C. extreme heat C. extreme heat D. heavy rainsD. heavy rains

Page 39: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 38Question 38

Waves breaking on a beach will change it Waves breaking on a beach will change it over time. If sediments are moved into the over time. If sediments are moved into the ocean by wave action,ocean by wave action,A. the beach area will decrease. A. the beach area will decrease. B. the beach area will increase. B. the beach area will increase. C. the beach area will become more level. C. the beach area will become more level. D. the particles on the beach will become D. the particles on the beach will become smaller. smaller.

Page 40: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 39Question 39

What causes earthquakes?What causes earthquakes?A. energy being released when crustal A. energy being released when crustal plates move plates move B. energy from a hurricane or tornado B. energy from a hurricane or tornado C. energy that builds up inside a volcanic C. energy that builds up inside a volcanic mountain mountain D. energy being released when erosion D. energy being released when erosion occurs occurs

Page 41: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 40Question 40

What causes the MOST erosion on Earth?What causes the MOST erosion on Earth?A. running water A. running water B. wind B. wind C. chemical action C. chemical action D. glaciersD. glaciers

Page 42: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 41Question 41

Technology can help to control the natural Technology can help to control the natural force offorce of

A. volcanoes. A. volcanoes. B. water. B. water. C. earthquakes. C. earthquakes. D. plate tectonicsD. plate tectonics

Page 43: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 42Question 42

Which is a device that is used to gather Which is a device that is used to gather information about formations on the ocean information about formations on the ocean bottom?bottom?A. sonar A. sonar B. radar B. radar C. MRI C. MRI D. laser D. laser

Page 44: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 43Question 43

Which landforms are a result of deposition?Which landforms are a result of deposition?A. beaches and river deltas A. beaches and river deltas B. mountains and valleys B. mountains and valleys C. bays and peninsulas C. bays and peninsulas D. plateaus and mesas D. plateaus and mesas

Page 45: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 44Question 44

Limestone is a sedimentary rock. How does Limestone is a sedimentary rock. How does acid rain affect limestone?acid rain affect limestone?A. Acid rain causes limestone to become A. Acid rain causes limestone to become magma. magma. B. Acid rain turns limestone into slate. B. Acid rain turns limestone into slate. C. Acid rain builds up limestone. C. Acid rain builds up limestone. D. Acid rain breaks down limestone. D. Acid rain breaks down limestone.

Page 46: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 45Question 45

Which human activity does NOT help control Which human activity does NOT help control water runoff?water runoff?A. contour plowing A. contour plowing B. planting crops B. planting crops C. building flood control dams C. building flood control dams D. paving with asphalt D. paving with asphalt

Page 47: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 46Question 46

Mount Arenal, a volcano in Costa Rica, is Mount Arenal, a volcano in Costa Rica, is erupting. Heat is being released during the erupting. Heat is being released during the eruption. The source of the heat iseruption. The source of the heat isA. the Sun. A. the Sun. B. pools of underground water. B. pools of underground water. C. deep within Earth. C. deep within Earth. D. decaying plants and animals.D. decaying plants and animals.

Page 48: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 47Question 47

During winter's cold weather, water within During winter's cold weather, water within cracks in rocks freezes, expands, and cracks in rocks freezes, expands, and causes the rocks to break. This process is causes the rocks to break. This process is calledcalledA. weathering. A. weathering. B. erosion. B. erosion. C. despoiling. C. despoiling. D. purging D. purging

Page 49: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 48Question 48

Which conditions are necessary for dust Which conditions are necessary for dust storms to occur?storms to occur?A. wet, humid conditions A. wet, humid conditions B. cold, cloudy conditions B. cold, cloudy conditions C. dry, windy conditions C. dry, windy conditions D. hot, moist conditionsD. hot, moist conditions

Page 50: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 49Question 49

What hard-shelled ocean creature attaches What hard-shelled ocean creature attaches itself to rocks, piers, large fish, and other itself to rocks, piers, large fish, and other underwater objects?underwater objects?

A. plankton A. plankton B. coral B. coral C. barnacle C. barnacle D. algae D. algae

Page 51: Earth Science Review This is review for the GA Milestones test. On a piece of notebook paper, head your paper with your name, homeroom and Earth Science

Question 50Question 50

Major earthquakes are caused byMajor earthquakes are caused byA. molten lava. A. molten lava. B. underground rivers. B. underground rivers. C. pressures inside Earth. C. pressures inside Earth. D. violent weather. D. violent weather.