Weathering and Erosion Quiz | Baamboozle - Baamboozle

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What is the main difference between weathering and erosion?

Weathering breaks rocks down erosion moves them away.

What is chemical weathering?

When rain (often slightly acidic) dissolves certain rocks like limestone.

What is weathering?

The breaking down of rocks where they are.

What is biological weathering?

Plants or animals breaking down rocks eg. roots

What is erosion?

The wearing away and moving of rocks by rivers, wind, ice

What is attrition?

Stones in the river smash into each other and become smoother and smaller.

Name two agents of erosion.

Rivers and the sea (also wind and ice).

Name one feature in the youthful stage of a river.

V-shaped valley.

Name two types of weathering.

Mechanical (physical) and chemical.

What is vertical erosion?

River cuts deeper.

Where does onion-skin weathering usually happen?

Hot deserts.

Which rock is easily dissolved by rainwater?

Limestone.

What is freeze-thaw weathering?

Water gets into cracks freezes expands and breaks the rock

What is onion-skin weathering?

Outer rock peels off.

What helps shape the sides of a V-shaped valley?

Weathering and mass movement.

What shape valley does a young river make?

V-shaped.

Why does freeze-thaw happen more in mountains?

Because it is cold and water can freeze easily.

What is abrasion in a river?

Stones and rocks carried by the river scrape the riverbed and banks.

How do glaciers cause erosion?

By plucking rocks and scraping the land.

What is hydraulic action?

The force of water hitting against the banks and bed of the river.

How do V-shaped valleys form?

River erodes down sides collapse.

What is solution in a river?

When minerals dissolve in the water and are carried away.

Why are V-shaped valleys narrow and steep?

River cuts downwards.