Unit 6: Puerto Rico Earthquake Pre-Test

According to the diagram, which of the following statements is true?

• Fossil A is oldest.

• Fossil B is youngest.

• Fossil C is younger than Fossil D.

• Fossil C and D are the same age.

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NGSS.MS-LS4-1

Why do metamorphic rocks rarely contain fossils?

• These rocks are formed underwater, and the water dissolves the water.

• The rock formation occurs from extremely hot magma deep inside the crust where organisms do not live.

• These rocks undergo extremely high pressure or temperature changes when formed, which would destroy fossils.

• These rocks are usually formed from extremely hot magma or with severe lava explosions, which would destroy fossils.

For a sedimentary rock or metamorphic rock to become an igneous rock, it must first ______.

Read each statement. Choose the two statements that tell a situation that would result in a change to landforms on Earth’s surface.

• A volcano erupts on a small island.

• Water evaporates into the clouds.

• A cold front causes a drop in temperature.

• Flooding loosens dirt and rocks along a hillside.

• The greenhouse effect causes a slight change in climate.

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Most major earthquakes are caused by ____________.

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The African Rift valley is continuously expanding. What can be concluded about the past from this observation?

• A meteorite collided into this place.

• Continents may have broken in the past as well.

• Rift valleys are a part of every continent.

• Two landmasses combined to form Africa.

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Sammy finds the map above in her textbook and observes that fossils of the same species were found on continents which are now separated by vast oceans. What information found on the map provides evidence for plate tectonics?

• All five continents were separated by water.

• The coastlines of the continents seem to "fit" like puzzle pieces in areas where matching fossils were found.

• Only the Lystrosaurus could fly from place to place.

• Only the fern could survive in the southernmost locations.

• The fossils represented terrestrial, land-dwelling, species.

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The fossil plant Glossopteris has been found in Africa, Australia, India, South America, and Antarctica.  This evidence helps support the idea that _______________.

• 1. the continents have always been at the same locations they are now.

• 1. the continents were all once covered by ice.

• the continents have moved.

• plants can travel across oceans.

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1. Identical fossils in Africa and South America support which theory? 

• 1. The big bang theory

• The plate tectonics theory

• The theory of evolution

• The steady state theory

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What evidence supports the theory of plate tectonics?

• 1. how minerals are distributed

• geographic features

• 1. fossils

• 1. all the above

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