Weather & Erosion

Process by which natural forces move weathered rock and soil from one place to another.

• abrasion

• deposition

• erosion

• clay, silt, sand and gravel

Tags

NGSS.MS-ESS2-2

What is the main cause of weathering and erosion to make a canyons?

• wind
• ice
• glaciers
• moving water

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Rocks being picked up and carried downstream is an example of ____________.

• weathering

• erosion

• deposition

Top layer of the soil. It contains more humus than any other layer.

• bedrock

• soil horizon

• topsoil

• barries island

The diagram below represents how rock is affected when water enters cracks in rock, freezes, and becomes ice. Which geologic process is represented in the diagram?

• Weathering

• Erosion

• Deposititon

• Metamorphism

Tags

NGSS.MS-ESS2-2

Process by which rocks break down as a result of chemical reactions.

• Humus

• Mechanical weathering

• Parent material

• Chemical

  weathering

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 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-ESS2-2

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

• A glacier

• An iceberg

• An ice wedge

• A sand dune

Tags

NGSS.MS-ESS2-2

A series of layers of sediments that form a soil profile.

• bedrock

• soil horizon

• topsoil

• barries island