Sedimentary, Weathering and Erosion Test Review

What type of weathering is it when acid rain breaks down and changes the rock.

• chemical weathering 
• mechanical weathering

• erosion
• physical weathering

How do plants weather rocks?

• during photosynthesis
• when roots grow into cracks of rocks and expand the rock
• when the plant moves water from the roots to the leaves

What happens to pieces of rock as they are transported by a river?

• they get smaller and rounder

• smaller and more jagged

• much larger and rounder

• gets larger and more jagged

In which of the following climates will chemical weathering be most rapid?

• hot and dry

• cold and dry

• hot and humid

• cold and humid

Which is not included in the group?

• abrasion

• oxidation

• carbonation

• hydrolysis

Which type of rocks tends to weather more rapidly through the hydrolysis process?

• Rocks that contain iron-rich olivine.

• Rocks that contain aluminum-rich feldspar.

• Rocks that contain quartz.

• Rocks that contain calcium-rich feldspar.

What are the two things that affect the rate of weathering?

• rain and ice

• type of rock and climate

• time and date

• size of rock and time of the year

The breaking of rock due to water freezing and thawing is called __________.

• abrasion

• exfoliation from uplifting

• hydrolysis

• plant/root wedging

• Ice/frost wedging

The breakdown of rocks by physical and chemical processes.

• oxidation

• weathering

• exfoliation

• erosion

The process by which outer layers of rock slowly peel away due to pressure changes and gravity.

• abrasion

• exfoliation

• oxidation

• ice wedging