Erosion Brainpop

What type of changes does erosion cause?

• Physical changes

• Chemical changes

• Electrical changes

• Magnetic changes

Tags

NGSS.MS-ESS2-2

Erosion occurs when natural forces alter the landscape. What does it mean to alter a landscape?

• To blow dust around

• To change what land looks like

• To deposit silt at the mouth of a river

• To create a floodplain

Tags

NGSS.MS-ESS2-2

Which term best describes the rate at which glacial erosion takes place?

• Quick

• Ephemeral

• Slow

• Sudden

How do sandy beaches form?

• Waves pounding pebbles into smaller and smaller pieces

• Wind eroding pebbles into smaller pieces

• Water freezing and thawing the the cracks of pebbles

• Rain wearing away rocks into smaller and smaller pieces

Tags

NGSS.MS-ESS2-4

Why is it hard to see glacial erosion in action?

• Because glaciers are so big

• Because light from glaciers refracts too much

• Because glaciers move very, very slowly

• Because glacial erosion is usually very subtle