Weathering and Erosion

What is erosion?

• the process of moving water, moving ice, or wind carrying away a part of a rock

• the process of a part of a rock loosened usually by nature

• a natural event that happens quickly, such as lightning striking a tree

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Weathering and erosion are effects. What can cause weathering and erosion?

• lightning, fire, or a tree

• moving water, moving ice, or wind

• pieces of rock, sand, or dirt

Tags

NGSS.MS-ESS2-2

A sheet of ice on a mountain can cause weathering and erosion _______ it moves down the mountain

• when

• before

• after

Tags

NGSS.MS-ESS2-2

What is the main idea of this text?

• Solid sheets of ice can cause weathering and erosion as they move slowly down a mountain.

• Weathering and erosion are natural events that slowly wear down rocks.

• Waves can chip off pieces of rock and turn them into sand.

Tags

NGSS.MS-ESS2-4

Weathering and erosion wear down rocks over a long time. What evidence in the text supports this statement?

• "Moving water can cause weathering and erosion. . . . The water can chip off small pieces of rock and carry them away."

• "Moving ice can cause weathering and erosion. . . . During warmer weather, a bit of ice melts."

• "Wind also causes weathering and erosion. . . . Over a long period of time, the wind wears down those rocks."

Tags

NGSS.MS-ESS2-2