Question

assess it! part 2
use the vocabulary words from
ead it\ to complete the following sentences.
when rocks break apart into smaller pieces, it is called (4)____. changes in temperature can cause rocks to become slightly larger, or (5)__, and become slightly smaller, or (6)__. this is often seen with a type of weathering called (7)__, where water freezes and thaws inside the cracks of rocks. another type of weathering is called (8)____, where the salt that is left behind when water evaporates can cause pressure in cracks of the rock.

Explanation:

Weathering is the breaking - down of rocks into smaller pieces. Expansion is when rocks get larger due to temperature changes and contraction is when they get smaller. Frost - wedging is weathering due to water freezing and thawing in rock cracks. Salt - crystal growth is weathering caused by salt left from water evaporation exerting pressure in rock cracks.

Answer:

(4) weathering
(5) expansion
(6) contraction
(7) frost - wedging
(8) salt - crystal growth