Earth Science SOL review

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What is Earth Science?

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Earth Science is the study of the Earth, its structure, processes, and the relationships between its components, including the atmosphere, hydrosphere, lithosphere, and biosphere.

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What is a variable in an experiment?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is the independent variable in an experiment?

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The independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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What is the dependent variable in an experiment?

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The dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

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What does it mean to keep a variable constant?

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Keeping a variable constant means that it does not change during the experiment, allowing for a fair test of the independent variable's effect.

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What is a hypothesis?

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A hypothesis is a proposed explanation for a phenomenon, which can be tested through experimentation.

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What is the water table?

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The water table is the upper surface of the zone of saturation in the ground, where the soil or rock is fully saturated with water.

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What is erosion?

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Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow.

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What is a meteorite?

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A meteorite is a solid fragment of a meteoroid that survives its passage through the Earth's atmosphere and lands on the surface.

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What is iridium?

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Iridium is a dense, silvery-white metal that is often found in meteorites and is used as evidence in geological studies.