5th grade Earth's Surface and Rock Formation Flashcard

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What is glacial erosion?

Back

The process by which glaciers move and shape the land by scraping and eroding rocks and soil.

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How do valleys form?

Back

Valleys can form through erosion by glaciers, rivers, or other natural forces that carve out the landscape.

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What is a delta?

Back

A landform created by the deposition of sediment at the mouth of a river, where it meets a body of water.

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What are sedimentary rocks?

Back

Rocks formed from the accumulation and compaction of mineral and organic particles, often containing fossils.

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What is the process of erosion?

Back

The wearing away of the Earth's surface by wind, water, ice, or other natural agents.

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What is deposition?

Back

The process by which sediments are laid down in new locations after being transported by wind, water, or ice.

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What conditions are necessary for coal formation?

Back

Coal forms in areas where vegetation is buried quickly and subjected to heat and pressure over millions of years.

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What is the difference between igneous and sedimentary rocks?

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Igneous rocks form from cooled magma, while sedimentary rocks form from accumulated sediments.

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What are fossils?

Back

Remains or traces of ancient organisms preserved in sedimentary rock.

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What role does heat and pressure play in rock formation?

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Heat and pressure can transform existing rocks into metamorphic rocks or alter sedimentary rocks.