E.3 Weathering Flashcards
1
Q
What is Mechanical weathering?
A
Rock is broken down by a physical process (water, wind,ice)
2
Q
WHat is chemical weathering?
A
Chemical agents like acids dissolve and carry away materials
3
Q
WHat is biological weathering?
A
Living things breaking down rock like tree roots and lichen
4
Q
WHat are three examples of mechanical weathering?
A
Rovers, glaciers, wind
5
Q
Mechanical weathering
Rivers:
A
flowing water erodes the outside edges and deposits sediments on the inside edges
6
Q
MEchanical weathering
Glaciers:
A
As they move, they pick up and deposited rocks scraping bedrock as they go
7
Q
MEhcanical weathering
wind:
A
Voodoos from from wind carrying particles of dust and dirt that strike the rock
8
Q
What process starts with lichen breaking down rocks?
A
Primary succesion
9
Q
A
