Types and Rates of Weathering

Which of the following are examples of mechanical weathering (select all that apply)?

• Ice Wedging

• Organic Activity

• Abrasion

• Organic Acids

• Oxidation

What process breaks down rocks into smaller pieces by physical means?

• Chemical Weathering

• Acid Precipitation

• Mechanical Weathering

• Differential Weathering

Abrasion is the grinding and wearing away of rock surfaces through which actions (select all that apply)?

• Gravity

• Wind

• Chemical Reaction

• Running Water

• Animal Activity

Tags

NGSS.MS-ESS2-2

True or False: The surface area of a rock can affect its rate of weathering.

• True

• False

In what kind of climate does weathering happen at the quickest rate?

• Hot, dry climates

• Warm, humid climates

• Very cold climates

• Cold and Dry climates

What factors affect the rate of weathering (select all that apply)?

• Rock Composition

• Surface Area

• Climate

• Fractures and Joints

• Human and Animal Activity

True of False: The more exposed a rock is (higher surface area), the slower it weathers.

• True

• False

Mechanical (or physical) weathering changes what in a rock?

• Chemical Composition

• Size and Shape

• Rock type (example: sedimentary rock turns into igneous or metamorphic, etc)

• Rock Name

Acid rain causes limestone to dissolve.

• Physical

• Chemical

• Biological

Tags

NGSS.MS-PS1-2

Oxidation causes a rock to have a red or brownish hue.

• Physical

• Chemical

• Biological

Tags

NGSS.MS-PS1-2