Amplify Science Grade 4 Unit 3 Chapter 1 Earth's Features

What is sediment?

• Small particles of rock, minerals, and organic material that settle at the bottom of water bodies.

• Large boulders and rocks that float on the surface of water bodies.

• Liquid substances that are found in rivers and lakes.

• Gases that are released from the earth's crust during volcanic eruptions.

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What does it mean to compact something?

• To press together or make something denser.

• To expand or make something larger.

• To separate or divide something into parts.

• To decorate or embellish something.

Why are sedimentary rocks important for fossils?

• They are formed from volcanic activity.

• They form in layers and often contain the remains of organisms, making them ideal for fossil preservation.

• They are the oldest type of rock on Earth.

• They are primarily composed of igneous materials.

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What is a fossil?

• A fossil is the preserved remains or traces of a once-living organism.

• A fossil is a type of rock formed from volcanic activity.

• A fossil is a living organism that has not yet died.

• A fossil is a modern animal that has been genetically modified.

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What type of rock is most likely to contain fossils?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Volcanic rock

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What can fossils tell us about Earth's features?

• Fossils can provide information about past climates, environments, and the types of organisms that lived in those areas.

• Fossils are only useful for dating rocks and determining their age.

• Fossils can only tell us about the size of ancient animals.

• Fossils provide no useful information about Earth's features.

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What is the role of a geologist?

• A geologist studies the Earth's materials, processes, and history.

• A geologist primarily focuses on the study of living organisms.

• A geologist is responsible for managing natural resources.

• A geologist analyzes weather patterns and forecasts.

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What is a rock layer?

• A rock layer is a thick sheet of rock formed from the same material.

• A rock layer is a thin film of soil that covers the ground.

• A rock layer is a type of sediment that is found in water bodies.

• A rock layer is a collection of minerals that are loosely packed together.

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What does it mean to cement something?

• To stick together in the process of forming rock.

• To break apart into smaller pieces.

• To dissolve in water and lose structure.

• To create a smooth surface for construction.

What is the difference between observation and inference?

• Observation is what you see, while inference is what you conclude from those observations.

• Observation is a guess based on prior knowledge, while inference is a direct measurement.

• Observation is a conclusion drawn from data, while inference is the data itself.

• Observation is an assumption, while inference is a fact.

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