Physical Weathering HMH

Front

The breakdown of rock material by physical and chemical weathering is called

Back

Weathering

Front

Are there three types of weathering?

Back

FALSE

Front

The agents of physical weathering are:

Back

Temperature change, pressure change, animal action, wind, water, gravity and plant growth

Front

How many AGENTS of Physical Weathering are there?

Back

SEVEN (7)

Front

What causes a rock to expand in a rise of temperature and contract in low temperatures repeatedly until the rock crumbles?

Back

Temperature Changes

Front

Outermost layers being separated from underlying layers of a rock is due to what kind of changes?

Back

Pressure Change

Front

When burrows are dug into the ground and soil is moved, allowing new rocks, soils, and other materials to be exposed at the surface.

Back

Animal Action

Front

In moving water, rocks are tumbled in water, hitting other rocks becoming round and smooth.

Back

Abrasion by WATER

Front

Lifts and carries small particles in the air, those small particles can blast away at surfaces and slowly wear them away.

Back

Abrasion by WIND

Front

Large rocks can fall from a higher slope and break more rocks below because of

Back

Abrasion by WATER