Weathering

Weathering

Multiple Choice

These rocks were made smooth by wind blowing smaller rock particles across their surface.  This is an example of:

• ice wedging
• chemical weathering
• acid rain
• abrasion

Multiple Choice

An example of chemical weathering is -

• Ice wedging

• Oxidation

• Animals burrowing

• Crashing waves

Multiple Choice

These rocks were broken apart from the continuous freeze/thaw of water in the cracks of the rocks. This is an example of:

• ice wedging
• dumptruck
• permeability
• acid rain

Multiple Choice

What type of Weathering is caused by animal actions?

• Chemical Weathering

• Erosion

• Mechanical Weathering

• Animals

Multiple Choice

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

Multiple Choice

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

• chemical weathering

• physical or mechanical weathering

• erosion

• Deposition

Multiple Choice

Which of the following is the most important agent of chemical weathering to form this cave?

• Water - It can carry acid and dissolve rock

• Erosion - Moves the rocks from one place to another

• Wind - It displaces rocks

• Exfoliation - New cracks give chemical reactions the chance to operate

Multiple Choice

What is the weathering process in which rocks are broken down into smaller pieces (sediments) and do not change the rock composition?

• Acid weathering

• Gravity weathering

• Chemical weathering

• Mechanical weathering

Multiple Choice

Which diagram represents mechanical weathering?

• G

• F

• H

• J

Multiple Choice

What is likely to cause cracks on the sidewalk?

• Repeated freezing and thawing of water

• Tree roots or plant roots growing bigger

• Both and A and B

• Neither A or B

Multiple Choice

Bobby observed that a metal trash can was covered with rust. What type of weathering caused the rust on the trash can?

• Mechanical weathering

• Wind weathering

• Chemical weathering

• Erosion weathering