Landforms

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What is a sinkhole lake?

Back

A sinkhole lake is a hole in the ground that forms over time when groundwater dissolves limestone, causing a cave to collapse and fill with water.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Front

What is a glacier?

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A glacier is a large sheet of ice that moves slowly over land, formed from compacted snow.

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What is a river?

Back

A river is a large body of freshwater that flows and moves, eventually emptying into a larger body of water, such as an ocean.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

How does the Earth's surface change over billions of years?

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High mountains gradually wear down as new mountains are continuously being formed, over and over again.

Tags

NGSS.MS-ESS2-2

Front

What process causes sinkholes?

Back

Sinkholes are caused by chemical weathering, where the dissolution of soluble rocks leads to the formation of underground cavities.

Tags

NGSS.MS-ESS2-2

Front

What is chemical weathering?

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Chemical weathering is the process by which rocks are broken down by chemical reactions, often involving water and acids.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Front

What is the difference between a pond and a lake?

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A pond is smaller and shallower than a lake, and often has a more uniform temperature throughout.

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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 wind, water, or ice.

Tags

NGSS.MS-ESS2-2

Front

What is a delta?

Back

A delta is a landform that forms at the mouth of a river, where it meets a body of water, and sediment is deposited.

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What is a coastline?

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A coastline is the area where land meets the ocean, characterized by various landforms such as beaches, cliffs, and dunes.