Vocab Flashcards: Geology on Mars

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atmosphere

Back

A mixture of gases that surrounds a planet or moon.

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biosphere

Back

All the living things on planet earth.

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channel

Back

A long, narrow groove that forms where water, lava, or other liquid flows.

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claim

Back

A proposed answer to a question about the natural world.

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compare

Back

To notice how two or more things are alike or different.

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geosphere

Back

The solid part of a rocky planet.

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hydrosphere

Back

All the liquid water and solid water on a planet.

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landform

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A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune.

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planetary geologist

Back

A scientist who studies the geosphere of planets in our solar system.

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scientific argument

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A claim supported by evidence.