Weathering - Brainpop

What is Weathering?

• When rain, wind, and ice break down larger rocks into smaller pieces.

• A shift in weather patterns.

• The process by which mountains are formed.

• The process by which seasons change.

Tags

NGSS.MS-ESS2-4

How might a weathered mountain appear different from an unweathered mountain?

• A weathered mountain would be taller?

• The weathered mountain would appear rounder in shape.

• The weathered mountain would appear more jagged.

• The weathered mountain would contain fewer trees.

Tags

NGSS.MS-ESS2-2

True or False: Ice expands when it freezes, cracking open rocks.

• False

• True

Which form of weathering breaks down rock with chemical acids that are carried in rain and runoff?

• Chemical Weathering

• Mechanical Weathering

What might cause mechanical weathering?

• Acid rain

• Violent earthquakes

• Roots grinding rocks into soil

What impact does weathering have on soil formation?

• It adds new chemicals to the ground.

• Larger rocks are broken down into smaller sediments (dirt).

• It adds ice and water to the soil.

Tags

NGSS.MS-ESS2-2

What types of rocks are formed by weathering?

• Metamorphic (formed by heat and pressure deep underground)

• Igneous (formed by volcanoes)

• Sedimentary (formed by layers of sediment)

True or False: Weathering usually takes only a few days.

• True

• False

Erosion is when rock is __________________ from the surrounding landform.

• added

• subtracted

Tags

NGSS.MS-ESS2-2

Deposition in when rock is __________________ to the

surrounding landform.

• added

• subtracted

Tags

NGSS.MS-ESS2-2