W.E.D. Unit Review

Which of the following is NOT an agent of chemical weathering?

• water

• carbon dioxide

• ice

• living organisms

Which of the following is NOT an agent of mechanical weathering?

• plants

• ice

• water

• acid rain

What are the two factors that affect the rate at which weathering occurs?

• climate and mass of rock
• climate and size of rock
• type of rock and size of rock
• type of rock and climate

Tags

NGSS.MS-ESS2-2

The diagrams  shows a natural process that weathers rock.
 Which statement best explains why this process results in weathering?

• frozen water acts as a solute
• water expands when it freezes
• the mass of water increases when it freezes
• frozen water dissolves most types of rock

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

Tags

NGSS.MS-ESS2-2

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

Tags

NGSS.MS-ESS2-2

This rock may chemically weather easily because is has many spaces or holes in it that allow water to seep through it, meaning it is:

• permeable
• abrasive
• erosion
• unchangable

Tags

NGSS.MS-ESS2-4

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

Tags

NGSS.MS-PS1-2

Caves being formed by acid rain dissolving underground limestone

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Deltas forming at the mouths of rivers are an example of:

• Weathering

• Erosion

• Deposition

Tags

NGSS.MS-ESS2-2