Weathering and Erosion

Which of the following is NOT a type of chemical weathering?

• water
• carbon dioxide
• ice wedging
• living organisms secreting acid to break down rocks

Tags

NGSS.MS-ESS2-2

What is weathering?

• The process by which
  water, ice, wind or gravity
  moves fragments of rock
  and soil.
• The process by which
  water, ice, wind or gravity
  deposit rock sediments
  and soil in a new place.
• The breaking down of
  Earth’s crust into smaller
  and smaller pieces.

Tags

NGSS.4-ESS2-1

What is erosion?

• The process by which
  water, ice, wind or gravity
  moves fragments of rock
  and soil.
• The process by which
  water, ice, wind or gravity
  deposit rock sediments
  and soil in a new place.
• The breaking down of
  Earth’s crust into smaller
  and smaller pieces.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is deposition?

• The process by which
  water, ice, wind or gravity
  moves fragments of rock
  and soil.
• The process by which
  water, ice, wind or gravity
  deposit rock sediments
  and soil in a new place.
• The breaking down of
  Earth’s crust into smaller
  and smaller pieces.

Tags

NGSS.MS-ESS2-2

Which of the following is NOT a type of physical weathering?

• burrowing plants
• ice wedging
• plant roots
• acid rain

Tags

NGSS.MS-ESS2-2

A marble statue is left exposed to the weather.  Within a few years, the details on the statue have begun to weather away.  This weathering probably is caused by...

• oxygen in the air
• carbonic acid in rainwater
• lichens
• abrasion

Tags

NGSS.MS-ESS2-2

Which of the following is an example of mechanical weathering?

• Acidic groundwater dissolving limestone
• frost wedging
• Paper being burned

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

The process that breaks down rocks and other materials on Earth's surface is called

• weathering
• erosion
• soil conservation
• decomposition

Tags

NGSS.MS-ESS2-2