weathering and erosion

Question 1

weathering?

Answer 1

wearing down rocks by long exposure to the air or by natural forces. breaking it down

Question 2

erosion?

Answer 2

erosion is the movement of these broken down pieces of sediment.

Question 3

list 2 examples of mechanical weathering?

Answer 3

if water gets into a boulder and freezes. the ice can expand and make cracks in the rock causing it to eventually break. another example is if rocks are going down a stream and hit eachother it is called abrasion.this can cause the rocks to get smoother.

Question 4

list 2 examples of chemical weathering?

Answer 4

if a rock has iron in it and reacts with chemicals in the air. it an cause the rock to rust and turn red. another example is