Unit 4 Check In 2 Practice

What is the process called when rocks are broken down into smaller pieces by natural forces like wind or water?

• Erosion

• Weathering

• Sedimentation

• Fossilization

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NGSS.4-ESS2-1

Which of the following is an example of erosion?

• A rock being split by plant roots

• A river carrying away soil from its banks

• A rock changing color due to sunlight

• A tree growing taller

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How can you tell that a landscape has changed over time by looking at rock formations?

• By observing the color of the rocks

• By identifying patterns in the layers of rocks

• By measuring the height of the rocks

• By counting the number of rocks

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Why might a scientist study fossils in rock layers?

• To find out how old the Earth is

• To understand how landscapes have changed over time

• To predict future weather patterns

• To learn about the types of plants that grow in an area

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If you observe a rock with smooth, rounded edges, what can you infer about its history?

• It was likely formed by volcanic activity

• It has been weathered by wind or water

• It was recently broken off a larger rock

• It has been buried underground for a long time

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How can patterns in rock layers help scientists understand Earth's history?

• By showing the types of minerals present

• By indicating the age of the rocks

• By revealing changes in the environment over time

• By displaying the color variations in rocks

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A scientist finds a fossil of a fish in a desert. What might this indicate about the area's past environment?

• The area was once covered by a forest

• The area was once underwater

• The area was always a desert

• The area was once a mountain

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If a river is eroding its banks at a rate of 2 meters per year, how much land will be eroded in 5 years?

• 5 meters

• 7 meters

• 10 meters

• 15 meters

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What might happen to a landscape if vegetation is removed?

• Erosion rates might increase

• Erosion rates might decrease

• Weathering will stop completely

• New rock layers will form immediately

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How can the presence of certain types of rocks in rock layers help scientists make predictions about past climates?

• By showing the types of animals that lived in the area

• By indicating the types of plants that grew in the area

• By revealing the clues about the past environment

• By displaying the color of the rocks

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NGSS.4-ESS1-1