Weathering and Erosion

Front

What is weathering?

Back

The breaking down of
Earth’s crust into smaller
and smaller pieces.

Front

Which of the following is NOT a type of chemical weathering? Options: water, carbon dioxide,

Root Action

, living organisms secreting acid to break down rocks

Back

Root Action

Front

Erosion

Back

The process by which
water, ice, wind or gravity
moves fragments of rock
and soil.

Front

Which of the following is NOT a type of physical weathering? Options: burrowing plants, ice wedging, plant roots, acid rain

Back

acid rain

Front

The diagrams show a natural process that weathers rock. Which statement best explains why this process results in weathering? Options: frozen water acts as a solute, water expands when it freezes, the mass of water increases when it freezes, frozen water dissolves most types of rock

Back

water expands when it freezes

Front

What is mechanical weathering?

Back

Process through which rocks are physically broken into smaller pieces.

Front

How do plants weather rocks?

Back

When roots grow into cracks of rocks and expand the rock.

Front

Oxidation produces rust on some rocks containing iron.

Back

Chemical weathering

Front

Deposition

Back

The process by which
water, ice, wind or gravity
deposit rock sediments
and soil in a new place.

Front

When wind, water, or ice leave materials in a location, this is known as:

Back

Deposition