Mechanical Weathering

What is the keyword for Ice Wedging?

• water freezes

• scratching, scraping, grinding

• roots

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is the keyword for Freezing and Thawing?

• water freezes

• scratching, scraping, grinding

• expand and contract

Tags

NGSS.MS-PS1-4

What is the keyword for Plants?

• water freezes

• roots

• expand and contract

Tags

NGSS.MS-LS1-6

What is the keyword for Abrasion?

• water freezes

• scratching, scraping, grinding

• roots

What is the keyword for Animal Actions?

• loosen or remove soil

• scratching, scraping, grinding

• roots

What is the definition for Ice Wedging?

• repeated process that splits rock when water seeps into the cracks, then freezes and expands, causing pieces to break off

• scratching, scraping, or grinding of rock by other rock particles carried in water, ice, or wind

• the cracks widen as roots grow thicker

• rocks expand when heated and contract when cooled

Tags

NGSS.MS-ESS2-2

What is the definition for Animal Actions?

• repeated process that splits rock when water seeps into the cracks, then freezes and expands, causing pieces to break off

• animals and insects loosen and remove soil supporting rocks

• the cracks widen as roots grow thicker

• rocks expand when heated and contract when cooled

What is the definition for Plants?

• repeated process that splits rock when water seeps into the cracks, then freezes and expands, causing pieces to break off

• animals and insects loosen and remove soil supporting rocks

• the cracks widen as roots grow thicker

• rocks expand when heated and contract when cooled

What is the definition for Freezing and Thawing?

• repeated process that splits rock when water seeps into the cracks, then freezes and expands, causing pieces to break off

• scratching, scraping, or grinding of rock by other rock particles carried in water, ice, or wind

• the cracks widen as roots grow thicker

• rocks expand when heated and contract when cooled

Tags

NGSS.MS-ESS2-2

What is the definition for Abrasion?

• repeated process that splits rock when water seeps into the cracks, then freezes and expands, causing pieces to break off

• scratching, scraping, or grinding of rock by other rock particles carried in water, ice, or wind

• the cracks widen as roots grow thicker

• rocks expand when heated and contract when cooled