Weathering & Erosion

The breakdown of rock is called __________.

• weathering

• erosion

• deposition

• infiltration

Tags

NGSS.MS-ESS2-2

Root action is an example of __________.

• physical weathering

• chemical weathering

• porosity

• permeability

Tags

NGSS.MS-ESS2-2

Why is frost action an effective form of weathering?

• Water dissolves many minerals.

• Water cools the surroundings.

• Water expands when it freezes.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

The reaction between limestone and acid rain is an example of __________.

• physical weathering

• chemical weathering

• erosion

• deposition

Tags

NGSS.MS-ESS2-2

Chemical weathering occurs most rapidly when conditions are __________.

• cold and dry

• cold and wet

• warm and dry

• warm and wet

Tags

NGSS.MS-ESS2-2

Water is a major agent of chemical weathering because water __________.

• has a high specific heat

• cools the surroundings

• dissolves many minerals

Tags

NGSS.MS-PS1-2

Which of the following rock layers is most resistant to weathering?

• 1

• 2

• 3

• 4

If a rock is broken into several pieces, its rate of weathering will __________.

• increase

• decrease

• remain the same

Humus, which is formed by the decay of organic matter, is important in the formation of __________.

• soils

• minerals

• sediment

• surface bedrock

Tags

NGSS.MS-LS2-1

Which factors most directly control the development of soils?

• prevailing winds and storm tracks

• earthquake intensity and volcanic activity

• bedrock composition and climate conditions