Mechanical Weathering

1.

Multiple Choice

30 sec

1 pt

What is the keyword for Ice Wedging?

water freezes

scratching, scraping, grinding

roots

2.

Multiple Choice

30 sec

1 pt

What is the keyword for Freezing and Thawing?

water freezes

scratching, scraping, grinding

expand and contract

3.

Multiple Choice

30 sec

1 pt

What is the keyword for Plants?

water freezes

roots

expand and contract

4.

Multiple Choice

30 sec

1 pt

What is the keyword for Abrasion?

water freezes

scratching, scraping, grinding

roots

5.

Multiple Choice

30 sec

1 pt

What is the keyword for Animal Actions?

loosen or remove soil

scratching, scraping, grinding

roots

6.

Multiple Choice

30 sec

1 pt

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

7.

Multiple Choice

30 sec

1 pt

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

8.

Multiple Choice

30 sec

1 pt

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

9.

Multiple Choice

30 sec

1 pt

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

10.

Multiple Choice

30 sec

1 pt

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

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