9.1-Weathering and Soil - 1

Scientists that study Earth.

• Geologists

• Chemists

• Physicists

• Archeologists

Principle means…

• Rules

• Talk

• Smile

• School

Principle that says that geological processes that operate today also operated in the past.

• Conservation

• Uniformitarianism

• Supervision

To Breaks down rock.

• Process of synthesis

• Process of weathering

• Process of climate

It involves the removal of rock particles by wind, water, ice and gravity.

• Erosion

• Deposition

Weathering and erosion can take ______________ of years to change the rock.

• Millions of years

• Few years

• Few hundred years

It can take ___________ to carry away rock in an avalanche.

• Millions of years

• Few years

• Seconds

The type of weathering in which the rock is physically broken down into smaller pieces.

• Definition of Physical / Mechanical weathering

• Definition of Chemical weathering

The type of weathering in which the rock is broken down into smaller pieces through chemical changes.

• Definition of Physical / Mechanical weathering

• Definition of Chemical weathering

It includes freezing, thawing, release of pressure, plant growth, actions of animals, abrasion.

• Definition of Physical / Mechanical weathering

• Definition of Chemical weathering