2. Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim?

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1 1. Which of the following can cause erosion?. falling leaves. flowing water. growing grass. rising temperatures 2. Scientists claim that the area around the Grand anyon was once covered by an ocean. What evidence would support their claim?. inosaur footprints were found near the Grand anyon.. Fish were found living in the rivers of the Grand anyon.. Fossils of ocean animals were found at the Grand anyon.. ones from desert animals were found at the Grand anyon The landform below is a sea arch. Which process is most responsible for the formation of the Grand anyon?. scouring by continental glaciers. erosion by wind and water. eruptions by explosive volcanoes. cracking of Earth s crust by earthquakes What is responsible for shaping this arch?. plate tectonics. earthquakes. deposition. erosion

2 5. The rocks in the picture below are as large as a house and were under Earth s surface for many thousands of years. 6. rock is pushed deep underground in an area where mountain-building is occurring, and undergoes the following processes. First, the rock experiences high pressure that causes its minerals to align themselves in bands. Second, the rock is pushed further underground and completely melts, then erupts from a volcano and hardens. Which of the following is most responsible for revealing these rocks on Earth s surface today?. Falling volcanic ash. Moving wind and water. Varying cloud conditions. Growing plants and animals Third, the rock is broken down by wind and water into small particles, which flow into a river and get compressed into rock. Which order correctly shows this progression of rock types?. igneous metamorphic sedimentary. metamorphic igneous sedimentary. metamorphic sedimentary igneous. sedimentary igneous metamorphic 7. Use the diagram below to answer the following question. 8. Use the diagrams below to answer the following question. W X The diagram above illustrates the Green River flowing through the center of Green Mountain. Which of the following processes most likely caused this phenomena? Y Z. The river maintained its course and eroded the mountain.. The mountain was cracked in half by a glacier, and then the river began flowing through it.. The river began and cut the mountain in half.. half-mountain formed on either side of the river. The diagrams above show a particular cross-section of Earth going through different geological changes. What is the correct sequence of the diagrams?. W, X, Y, Z. X, Y, Z, W. Y, W, X, Z. X, Z, Y, W

3 9. Which best describes the changes occurring to the Earth s surface over time? 10. The picture below shows the result of a geological event that changed a mountain rapidly.. New mountains are being formed as old mountains are gradually worn down.. Mountains are gradually being worn down, but no new ones are formed.. More mountains are gradually formed as the oceans recede.. New mountains are only formed under the oceans. Which of the following most likely caused the rapid change of the mountain?. landslide. snowfall. wind erosion. volcanic eruption 11. The pictures below show the same area before and after an event occurred. 12. The ppalachian Mountains, which extend from anada to labama, were much taller in the past than they are today. Which of the following two processes are most responsible for the decrease in the height of the ppalachian Mountains?. weathering and erosion. sedimentation and flooding Which of the following events most likely caused the change in this area?. a flood. a hurricane. a volcanic eruption. a strong earthquake. volcanic eruptions and landslides. tectonic collisions and earthquakes

4 13. Erosion, transportation, and deposition change the surface of Earth. 14. Use the information below to answer the following question(s). hiker walks from the upper rim to the bottom of a large canyon. t the bottom of the canyon, the hiker camps for the night. The map below shows the trail the hiker used. large river flows along the bottom of the canyon. The vertical distance between the upper rim of the canyon and the river is 1,743 meters. What process is most responsible for the depth of the canyon? Which number in the diagram represents a landform made by the deposition of eroded sediment?. One large flood moved the rock layers.. Hot magma melted a path through the rock layers.. Many strong tornadoes eroded the rock layers over time.. Flowing water eroded the rock layers slowly over many years Which activity can cause the formation of mountains? 16. science class built the models shown below to conduct a study.. weathering. tectonic plate collisions. earthquakes. water erosion Model irt Only Model irt and Grass Students poured the same amount of water over both models. They observed that most of the dirt emptied out of the container in Model and that a small amount of dirt emptied out of the container in Model. What were the students most likely studying?. Volcanic eruptions. The rock cycle. Earthquakes. Erosion

5 17. How does lava affect the surface of Earth?. Lava forms new land.. Lava helps plants grow.. Lava provides more food to animals. 18. Which of these most likely forms when large sections of Earth s crust collide with each other?. Reefs. Gullies. raters. Mountains. Lava makes temperatures cooler on Earth. 19. Weathering of rock can occur in many ways. In the western United States, strong winds can erode huge rock formations by blowing millions of tiny grains of sand at these rocks. Which term accurately describes this type of weathering?. Thermal. hemical. Mechanical. Meteorological 20. How does water help to break apart rock?. by freezing and expanding. by melting and contracting. by condensing and expanding. by evaporating and contracting

6 21. Which process best explains how mountain ranges are worn down over time?. asteroid impacts 22. Use the information and figures below to answer the following question(s). Rock Layers The two figures below show rock layers that have been affected by Earth processes. The thin arrows on the block in Figure 1 show direction of movement. The thicker arrows on both Figures 1 and 2 show the direction of forces that acted on the original flat layers.. volcanic eruptions. mechanical and chemical weathering. continental drift and seafloor spreading Which process produced the pattern of layers shown in Figure 1?. folding. faulting. spreading. weathering 23. The picture below shows a sea arch. 24. glacier moving down a mountain valley is pictured below. s erosion from ocean waves continues, what will most likely happen to the hole in this landform?. It will become larger.. It will fill with sediment.. It will remain the same size.. It will be covered with water. Glaciers are frozen, slow-moving rivers of ice that can move about three feet per day down mountain valleys. How does a glacier help create new soil?. by carrying living plant material to the ocean. by scraping small particles off large rocks. by melting rocks along its path down the valley. by freezing small particles of soil to form large rocks

7 25. Which of the following is most likely to make a rock crack and crumble? 26. The picture below shows an island that was formed in an ocean.. dew evaporating on the rock. leaves decaying on the rock. snow melting in a crack in the rock. water freezing in a crack in the rock Which of the following most likely caused the formation of this island?. wave erosion. sand deposits. wind movement. volcanic eruptions 27. Which of the following provides the best evidence that Earth has evolved over geologic time?. coral reefs that slowly changed size. desert sand dunes that were shaped by winds 28. Which best describes a landslide?. erosion caused by gravity. erosion caused by wind. erosion caused by a river. deposits of sediment found at the mouth of a river. rock containing fossilized seashells found on a mountaintop

8 29. ll of the landforms on Earth are constantly changing shape. What is most responsible for the changes in the landforms?. earthquakes. water erosion. pollution. oceans 30. Which factor causes a mud slide?. the amount of rain in an area. the amount of carbon dioxide in an area. the amount of pollution in an area. the amount of wind in an area 31. Which is an example of weathering?. soil being carried downstream by fast-moving water. rocks being formed by volcanoes. rocks being broken apart by freezing water 32. What has caused the formation of most of the valleys that exist on Earth?. rivers and glaciers. wind and rain. lakes and rivers. canyons and plateaus. sand being moved by strong winds

9 33. Students studied the rock diagram shown below. 34. lake is surrounded by hills covered with trees and shrubs. Which statement correctly describes how a change to the plants in this area will affect this environment?. dding plants to the hillsides will increase sedimentation in the lake.. dding plants to the edge of the lake will increase erosion by the lake.. Removing plants from the hillsides will increase erosion on the hills.. Removing plants from the edge of the lake will increase sedimentation on the hills. What does the diagram show?. how water moves rock from place to place. how different types of rock are formed. how rock gets moisture. how freezing and thawing of water breaks rock 35. How do plants most commonly break large rocks into smaller pieces?. Plant leaves insulate surrounding rocks from extreme temperatures.. Plant roots grow into cracks in rocks.. Seeds from plants fall onto rocks and release acidic compounds. 36. The freezing and thawing action of water affects a rock by. transforming the rock into igneous rock.. chemically changing the rock.. gradually breaking down the rock into smaller pieces.. leaving behind sedimentary particles from evaporated solutions.. Stems of plants surround and squeeze rocks.

10 37. The land drained by the olorado River erodes at a rate of approximately 15 centimeters (cm) in 1,000 years. How long will it take 150 cm of surface material to erode in the olorado River drainage area?. approximately 15 years. approximately 100 years 38. Natural processes shape the surface of Earth. Most canyons are formed by. ice. plants. steady winds. moving water. approximately 10,000 years. approximately 30,000 years 39. In 1933, a hurricane came ashore at Ocean ity, Maryland. hurricane negatively affects a coastline by 40. Use the information below to answer the following question(s). The diagram below shows water moving through the environment.. causing erosion. causing earthquakes. increasing food production. increasing the growth of grasses Which of these statements describes a change to the surface of Earth that is caused by water moving through the environment?. Water transports soil.. ew forms on grass.. Ocean tides follow a pattern.. Tropical storms remain over the ocean.

11 41. Use the information below to answer the following question(s). Mount Rushmore is located in the lack Hills of South akota.the heads of four former presidents George Washington, Thomas Jefferson,Theodore Roosevelt, and braham Lincoln are carved into Mount Rushmore as a monument. The monument rises to 1,745 meters above sea level. Mount Rushmore is granite, one of the most common rocks on Earth, and took millions of years to form.the sculptor chose to carve the monument in granite because granite erodes at a rate of about 2 centimeters every 10,000 years. 42. Use the picture below to answer the following question(s). The monument carved in Mount Rushmore is most likely weathered year-round by. a river. a glacier. shifting winds. ocean currents Each spring, a crevice in the cliff wall widens and deepens. What is the best explanation for how physical weathering causes the crevice to widen and deepen?. Winds deposit sand into the crevice.. Water freezes and expands in the crevice.. Snow melts and evaporates between the rocks in the crevice.. ir pollution in the area causes a reaction that widens the crevice. 43. Which statement best explains why soil in areas cleared of vegetation becomes washed out? 44. The course of a river changed over a period of 100 years, as shown in the before and after diagrams below.. Rock cycle activity decreases in soil that has no vegetation.. Rain and wind easily erode soil that has no vegetation.. Microbe activity increases in soil that has no vegetation.. Sunlight destroys nutrients in soil that has no vegetation. Which two factors most directly caused this change over time?. wind and rain. erosion and deposition. freezing and thawing. condensation and evaporation

12 45. Which action can form mountains?. land blocking streams. land pushing against land. water flooding a field. water rising above the soil 46. Some processes that shape Earth s surface are slow. Other processes are rapid. Which statement describes a rapid change?. Glaciers melt and form rivers.. Wind weathers rocks into sand.. Earthquakes move land and rocks.. Rivers carry sediment and build deltas. 47. Natural processes can break large rocks into smaller pieces. Identify and describe two processes that can break rocks apart. 48. Which kind of rock is produced by deposition and cementation?. marble, a metamorphic rock. sandstone, a sedimentary rock. granite, an intrusive igneous rock. pumice, an extrusive igneous rock

13 49. Wind, moving water, and moving ice pick up and move soil and other materials in a process known as. erupting.. erosion.. faulting.. fossilization. 50. truckload of sand was delivered to the school playground. It rained for a week. The sand was no longer a hill. What probably happened to the sand?. It eroded.. It erupted.. It fossilized.. It evaporated. 51. Which of the following statements correctly describes forces that uplift and wear down the Earth s surface?. Erosion builds up mountains, which are then flattened by volcanoes.. Volcanic activity creates mountains, which are then worn down by erosion. 52. Soil in an empty field blows away during a strong wind. Which activity slows the erosion of this field over time?. watering the field. plowing the field in rows. planting grass in the field. building an electric fence. Volcanic activity creates mountains, which are sharpened over time by glaciation.. Weathering lifts soil out of the sea, which is then distributed to rivers by erosion.

14 53. Use the following pictures to answer the question. 54. The ppalachian mountain range is made of folded rock layers. The presence of this folded range is evidence of which process of mountain formation?. separation of two fault blocks. collision of two plates with each other. eruption of volcanoes near each other Year 1 Year 5 Year 10 How do these plants slow soil erosion caused by heavy rains?. deposition of sand and rocks from rivers. Plants absorb water from the wet soil.. Plant roots hold soil particles together.. Plant leaves release water from the soil into the air.. Plants decrease moisture evaporation from the soil. 55. What is the major process of surface rock formation on volcanoes?. Rock cools quickly from melted rock.. Rock is recrystallized by extreme pressure.. Rock solidifies slowly deep underground.. Rock is formed from deposited sediment. 56. hemical weathering refers to processes that change the chemical composition of rocks, forming new minerals. Physical weathering refers to processes that break rocks down into smaller pieces without changing the chemical composition of the rocks. Which of the following processes is an example of chemical weathering?. the widening of cracks in rocks by tree roots. the rusting of iron-rich rocks. the expansion and contraction of rocks as temperatures change. the scouring of rocks by windblown sand

15 57. n earth science teacher places four pieces of carpet padding, representing sedimentary layers, between two large book ends, as shown in Figure 1. She then pushes the book ends toward each other, as shown in Figure The topsoil covering an area of land was washed away by rain. The land was most likely. steep, without vegetation. steep, with vegetation. flat, without vegetation. flat, with vegetation What geologic process has the teacher demonstrated?. folding. faulting. convection. divergence 59. eep within Earth, rocks are crushed and melted. Which of the following most likely happens as this hot, melted rock comes to the surface of Earth? 60. The following diagram shows the structure of an alluvial fan at the mouth of a small canyon.. Mudslides. Earthquakes. Mountains form. Volcanoes erupt Which statement explains the forces responsible for producing these features?. The canyon and fan were produced by the destructive force of erosion.. The fan was formed by deposition, and the canyon was formed by erosion.. The canyon and fan were both formed quickly by an earthquake and wind.. The fan and canyon were produced by the constructive force of deposition.

16 61. Marvin visited an old library in the city. The outside of the library was decorated with many statues. Over time, the features of the statues had become rounded and less detailed. What most likely caused this change?. Radiation. eposition. Weathering. Sedimentation 62. Rocks found in streams often have rough edges and sharp grooves. What is the process that roughened the edges and caused the grooves?. Erosion. Intrusion. eposition. Metamorphism 63. row of large trees is planted next to a field of crops. What is the purpose of the trees?. To replenish water. To control the temperature of the field. To provide oxygen to the crops. To reduce wind erosion 64. Why are most fossils found in sedimentary rocks?. Sedimentary rocks are not very old.. Organisms live only in areas with sedimentary rock.. Organisms can be preserved in sedimentary rock.. Sedimentary rocks are found only at the surface of the ground.

17 65. Fossil Record In a section of the Grand anyon, scientists have found the fossil remains of several different groups of organisms. The diagram below represents the number and age of the fossils the scientists found. The width of each shaded area in the diagram below indicates the relative number of fossils found. 66. Fossil Record The diagram below shows the fossil record of different species. Which of the following statements is supported by the fossil record?. Group is now extinct.. Group has been in existence the longest.. Group is the most recent organism to come into existence. When did a major extinction event most likely occur?. at the end of the enozoic. at the end of the Permian. at the beginning of the Silurian. at the beginning of the ambrian. Group was the most numerous organism 10 million years ago. 67. Use the diagram below to answer the following question. 68. Which technique has helped scientists more accurately determine the age of fossils and draw conclusions about changes in organisms over time?. time-lapse photography. radioactive dating. electron microscopy. color staining In which stage of the rock cycle shown above would you predict the formation of fossils?. stage L. stage M. stage N. stage P

18 69. The diagram below represents a cross-section of a cliff. It shows several rock layers containing fossils. 70. Fossils are the evidence of organisms that lived long ago. Which of these animals would most likely form a fossil?. Fish. Spider. Earthworm. Sea Nettle Which of the following layers of rock is most likely the youngest?. the layer containing trilobites. the layer containing fishes. the layer containing amphibians. the layer containing dinosaurs 71. Fossils of clam shells were found in the ppalachian Mountains. Which of these statements best explains why the clam shells were found in the ppalachian Mountains? 72. The surface of Earth is constantly changing. Which of these findings provides the best evidence that the crustal surface of Earth has changed over time?. The mountain range was once under water.. irds flying overhead dropped the clam shells.. nimals released the clam shells in their waste.. The clams lived on land before moving to water.. Some rock layers are very thick.. Some species have become extinct.. Marine fossils are found in mountain areas.. Igneous rock is found on all tectonic plates.

19 73. Which is the best evidence that two continents were once connected? 74. This diagram shows a cross section of land that has not been overturned and includes a fossil.. They have similar types of rocks and fossils.. They are in the same stage of succession.. They exist along the same line of latitude.. They have the same climate. What can be concluded about the age of the fossil?. It is younger than the shale.. It is older than the shale.. It is older than the sandstone.. It is younger than the sandstone. 75. The diagram below shows index fossils from different geologic time periods. 76. Use the diagrams and information below to answer the question. ased on the diagram, which fossil arrangement is in sequential geologic order? Monte olca is located high in the mountains of northern Italy. This site is one of the world s largest deposits of coral reef fish fossils. There are fossils of more than 160 fish species dating back 49 million years. These fossils provide evidence of the environment in which the coral fish lived and died. Which statement is consistent with this evidence and explains how ancient coral reef fossils can be found high in the mountains far from any sea?. huge tidal wave pushed marine life up into the mountains.. Prehistoric man carried fish into the mountains from the sea.. Fish were thrown into the mountains by a tremendous volcanic explosion.. Land that was uplifted to form the mountains was once covered by the sea.. W. X. Y. Z

20 77. researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region?. It was once below a waterfall.. It was once part of a riverbed.. It was once covered by an ocean.. It was once near a freshwater lake. 78. aytonia is an extinct plant that existed between 200 and 140 million years ago. It had reproductive structures that resemble structures in modern flowering plants. How do scientists know about the structures of this ancient extinct plant?. Scientists study the N sequences of aytonia.. Scientists genetically engineer modern plants to produce aytonia.. Scientists excavate and examine the fossilized remains of aytonia.. Scientists observe the adaptations of plants in habitats resembling those of aytonia. 79. The drawings below show some trilobite and crinoid fossils. 80. Fossils similar to marine life found in the oceans today have been found in rocks on top of mountains. How can this be explained?. The marine life can live on land or sea.. Marine organisms were once able to breathe air.. The rocks in which the fossils were found were formed under an ocean.. Marine organisms have evolved from land organisms. Which of the following is the most reasonable conclusion when fossils of these two different types of organisms are found in the same layers of rock?. rinoids were prey for trilobites.. rinoids were ancestors of trilobites.. rinoids and trilobites had similar behaviors.. rinoids and trilobites lived at the same time.

21 81. Which best explains why fossils of the same species of a reptile were discovered in South merica and in western frica?. The reptiles evolved in both South merica and frica.. The continents of South merica and frica were once joined. 82. Why do scientists study fossils?. to understand how volcanoes are formed. to understand life on Earth as it was millions of years ago. to understand when mountains were created. Land bridges connected the continents of South merica and frica.. The reptiles could swim the distance between South merica and frica. 83. fossilized seashell is found on a mountain. This seashell shows that the mountain was once 84. leaf is covered in mud during a landslide fter one million years, this leaf will most likely be. much hotter. much colder. above sea level. covered by water. a fossil. an animal species. a new plant species. a nonrenewable fuel

22 85. Use the information below to answer the question(s) below. The Hawaiian Islands are home to some of the most studied volcanoes on Earth. The volcanoes erupt often but are seldom explosive because of the magma that they produce. Kilauea volcano is located on the largest of the Hawaiian islands and rises over 4,200 feet above sea level. Kilauea has been erupting continuously since 1983 and has resulted in new landmass. Why do scientists study rock layers? 86. The diagram below shows the undisturbed layers of rock found in an area and some of the fossils found in each layer.. to find rock fragments. to find new species of organisms. to find evidence of the core of Earth. to find physical evidence of the history of Earth Which describes how the environment in the area most likely changed over time?. from desert to lake. from river valley to forest. from ocean to desert. from grassland to coastal plain 87. Scientists found fish fossils in the desert. What do the fossils tell about this environment when the fish were alive? 88. Use the diagram showing a cross section of a hill and the information below to answer the following question.. There was a forest with large trees.. There were lakes with water plants.. There were mountains with glaciers.. There was a desert with large rocks. Scientists see three layers of rock exposed on the side of a hill. The bottom layer is sandstone with fossils of a certain species of reptile found only in this geographic location. The middle layer is volcanic ash. The top layer is mudstone (shale) with fossils of a different species of reptile. The fossil evidence supports which hypothesis about the extinction of the older reptile species?. The older reptile species went extinct because sea levels rose and flooded its habitat.. The older reptile species went extinct because a predator was introduced into the environment.. The older reptile species went extinct because it could not compete with the younger reptile species.. The older reptile species went extinct because a volcanic eruption caused the environment to change.

23 The White liffs of over are made of a white sedimentary stone called chalk, which was formed when shells and skeletons of small marine organisms were deposited in a thick layer. n examination of the liffs of over from top to bottom would show a change from Fossils of the oelacanth (se le kanth ) fish occur in the fossil record from 410 to 65 million years ago. The lack of more recent fossils led scientists to conclude that the fish went extinct along with the dinosaurs. In 1938, a fisherman caught a living oelacanth. More than 200 of them have been caught on the deep reefs in the Indian Ocean. This fish has been called a living fossil because its body plan is nearly identical to the 400-million-year-old fossils. This structural similarity, as evidenced by the fossil record, supports which statement?. The environment of the deep sea has changed little over millions of years.. younger fossils to older fossils.. simple fossils to complex fossils.. igneous rock to sedimentary rock.. marine organisms to land organisms.. The amount of salt in the deep sea has varied greatly over millions of years.. The oceans have completely dried up multiple times during the past 400 million years.. The oceans have been continuously repopulated by freshwater fish species over millions of years. 91. Fossils of shellfish have been discovered on top of the Himalayan Mountains and Rocky Mountains. What is the best conclusion that scientists can make from these discoveries?. Erosion moves fossils.. Mountain animals eat seafood.. Water once covered these areas.. Shellfish evolved to live in water and on land. 92. Many fossils of insects have been discovered in the United States. Scientists sometimes conclude that these fossils are related to insects alive today. How do scientists most often make these conclusions?. y comparing what the insects ate. y comparing how the insects behaved. y comparing how long the insects lived. y comparing what the insects looked like

24 93. Sometimes paleontologists find fossils with characteristics very different from the fossils they have already cataloged in that area. What would the scientists most likely conclude? 94. Paleontologists study fossils to obtain information about organisms. In which of these types of rocks would a paleontologist most likely find fossils?. The new find is not a fossil.. The new find has been incorrectly identified.. Igneous. Synthetic. Sedimentary. Metamorphic. The new find was moved from its original location by animals.. The new find existed at a different time than those already cataloged. 95. n unusual type of fossil clam is found in rock layers high in the Swiss lps. The same type of fossil clam is also found in the Rocky Mountains of North merica. From this, scientists conclude that.. glaciers carried the fossils up the mountains 96. Which feature would most likely be forming at converging continental tectonic plate boundaries?. rift valley. deep trench. volcanic cone. uplifted mountain. the Rocky Mountains and the Swiss lps are both volcanic in origin. clams once lived in mountains, but have since evolved into sea-dwelling creatures. the layers of rocks in which the fossils were found are from the same geologic age

25 97. The table below shows how far away people can feel tremors from earthquakes of different magnitudes. The table also shows about how many times each year earthquakes of different magnitudes occur. Use the table to answer the following question(s). 98. Which of these is an immediate result of the movement of tectonic plates?. ocean currents. earthquakes. glaciers. tides If an earthquake with a magnitude of 2 occurred, how far away from the earthquake would the tremors most likely be felt?. more than 112 kilometers. between 48 and 112 kilometers. between 24 and 48 kilometers. less than 24 kilometers 99. The Pacific Ring of Fire is a belt-shaped region that roughly coincides with the seacoasts bordering the Pacific Ocean. Explain why volcanic activity and earthquakes occur frequently in this region This area of land with a variety of surface features is viewed from above. What caused the shift of the surface features?. fault. road. flowing stream. volcanic intrusion

26 On the map below, dark circles indicate the positions of volcanoes in the Ring of Fire in and around the Pacific Ocean. ark lines indicate tectonic plate boundaries of Earth s crust. cross section view How was the mountain shown above most likely formed?. Plates and are moving towards each other.. Plates and are moving apart from each other.. Plate is moving away and Plate is stationary.. Plate is stationary and Plate is moving away. Map showing positions of volcanoes in the Ring of Fire in and around the Pacific Oceanccording to this map, which of the following describes where volcanoes are most likely to form in the Ring of Fire?. Volcanoes form in the middle of a tectonic plate.. Volcanoes form below the surface of tectonic plates.. Volcanoes form where tectonic plates meet other plates.. Volcanoes form where earthquakes are least likely to occur Which of the following statements best explains why earthquakes occur more frequently in alifornia than in Massachusetts? 104. Seafloor spreading provides evidence of which of the following Earth processes?. The rock found in alifornia is igneous, but the rock found in Massachusetts is sedimentary.. alifornia is located on the boundary of two crustal plates, but Massachusetts is not.. The rock under alifornia is soft, but the rock under Massachusetts is hard.. alifornia is located on a continental plate, but Massachusetts is not.. erosion of coastlines. weathering of mountains. movement of crustal plates. formation of sedimentary rocks

27 105. The Mid-tlantic Ridge exists between the frican and South merican geologic plates. Which process most often occurs at the Mid-tlantic Ridge? 106. The road shown below was suddenly broken by a natural event.. destruction of underwater mountains. creation of new continents. subduction of geologic plates. spreading of sea floor Which natural event most likely caused the crack in the road?. wind. earthquake. a lava flow from a volcano. an avalanche down a mountain 107. rift valley is evidence of which kind of plate boundary?. convergent. divergent. transform. uniform 108. Which of the following is most responsible for the formation of new crust at the edge of a tectonic plate?. mountain building at a continent-continent convergent boundary. magma rising up from the mantle at a divergent boundary. two tectonic plates sliding past one another at a transform boundary. subduction of one oceanic plate under another at a convergent boundary

28 The Richter scale measures which of the following earthquake characteristics?. intensity. magnitude. frequency. probability t which location would earthquakes be least likely to occur?

29 Problem-ttic format version c Educide Software Licensed for use by licia Murzin Terms of Use at Geologic Evolution 11/18/

30 Teacher s Key Page Water freezes in the cracks of rocks. Water expands when it freezes and breaks up the rock. 2. Wind blows sand and small rocks against big rocks. This can wear rocks down and make them break into pieces

31 Teacher s Key Page