Erosion

What are the two 'secret codes' for understanding weathering and erosion?

• Growing and Flowing

• Freezing and Melting

• Washing and Wearing

• Breaking and Taking Away

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How does water contribute to physical weathering?

• By boiling and evaporating

• By staying still and soaking

• By flowing gently and polishing

• By freezing and expanding in rocks

Tags

NGSS.MS-ESS2-4

What role do plants play in weathering?

• They provide nutrients to rocks

• Their leaves block sunlight

• Their roots break rocks apart

• They absorb all the water

What is chemical weathering?

• Rocks being painted with chemicals

• Breaking rocks with hammers

• Rocks reacting with chemicals in the environment

• Rocks being washed with soap

Tags

NGSS.MS-PS1-2

How does erosion differ from weathering?

• Erosion breaks rocks, weathering moves them

• Erosion and weathering are the same

• Weathering breaks rocks, erosion moves them

• Weathering cleans rocks, erosion dirties them