Changes in the Earth's Crust | Baamboozle - Baamboozle

English 25 Public

A review of vocabulary in the sixth grade study of earth science, concerning changes in the earth's surface.

Study Slideshow

What causes an earthquake

a move in the earth's crust.

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What is the epicenter?

the point on the Earth's surface directly above the focus of an earthquake.

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What is a fault?

Crack in the Earth's surface along which movement takes place

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What is the focus?

Point underground where the faulting in an earthquake occurs

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What is magma?

Melted rock below the Earth's surface; called lava at the surface.

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What is a volcano?

an opening in Earth's surface through which melted rock, hot gases, rock pieces, and ash burst forth, or erupt

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What are destructive process?

processes that destroy landforms. – 2 types: Slow (weathering) and Fast (Erosion) – Ex. landslides, volcanic eruptions, earthquakes, floods.

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What are constructive processes?

Shape the surface of the Earth, by building up Mountains and Landmasses

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What are internal forces?

generated inside the earth

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What are external forces?

affect the surface of the earth

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Give an example of an internal force

earthquake, volcanoes

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Give an example of an external force

wind, temperature changes, ice, rainwater, rivers

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What does erosion mean?

external forces wearing down rocks/soil and moving them

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What does expand mean?

get larger

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What does contract mean?

get smaller

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How does temperature change the surface of the earth?

The expanding and contracting of rocks over time breaks them into smaller pieces; in the winter ice forms in cracks and expands them

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