PROCESSES Flashcards
1
Q
What is weathering
A
When rainwater gets into rocks and then freezes and thaws
this can cause pieces of rock to break off
2
Q
what is chemical weathering
A
happens when rain falls on rocks and the acid in the rain reacts with the substance
3
Q
what is physical weathering
A
process that breaks rocks apart, happens due to temp change
4
Q
what is erosion
A
is the breaking away of rocks and cediments and their movement away by wind, water , ice and gravity
5
Q
deposition
A
sediments stop moving and settle in one place
6
Q
cementation
A
another substance sticks the sediment together
7
Q
compaction
A
the weight of sediemtns above squashes the sediments below
