Rocks and Weathering

Process that breaks down rock and other substances of earths surface

• erosion

• weathering

• permeable

• rate

Tags

NGSS.MS-ESS2-2

movement of sediments by wind, water, ice, gravity

• erosion

• weathering

• rate

• living organisms

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

occurs when rocks break into smaller pieces without their composition changing.

• mechanical weathering

• chemical weathering

• erosion

• rate of weathering

Tags

NGSS.MS-ESS2-2

mechanical scraping or impact of the surface of a rock and moving particles by wind, water, gravity, etc. (mechanical weathering)

• freezing and thawing

• animal actions

• abrasion

• plant growth

Tags

NGSS.MS-ESS2-2

ice-wedging; freezing water in cracks expands and pries open cracks making them larger and weakening rock (mechanical weathering)

• freezing and thawing

• animal actions

• abrasion

• plant growth

Tags

NGSS.MS-ESS2-2

plants roots grow into cracks in rocks. As the roots grow, cracks are pried open making them larger and weakening the rock (mechanical weathering)

• freezing and thawing

• animal actions

• abrasion

• plant growth

Tags

NGSS.MS-ESS2-2

burrowing animals break down sediments and rock in the soil (mechanical weathering)

• freezing and thawing

• animal actions

• abrasion

• plant growth

Tags

NGSS.MS-ESS2-2

occurs when rocks are broken down through chemical changes

• mechanical weathering

• chemical weathering

• erosion

• rate of weathering

Tags

NGSS.MS-ESS2-2

mixes with water to make carbonic acid which dissolves limestone (chemical weathering)

• acid rain

• living organisms

• oxygen

• carbon dioxide

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-2

combines with iron in the presence of water in a process called oxidation which changes the iron in rock to rust (chemical weathering)

• acid rain

• living organisms

• oxygen

• carbon dioxide

Tags

NGSS.MS-PS1-2