1. physical vs.mechanical by: Lola West & Eden York
weathering
physical vs.mechanical
by: Lola West & Eden York

2. Ice wedging Mechanical/Physical
Ice freeze's, thaw's and expands the rock

3. Tree roots Mechanical/Physical
The roots grow and capture the rock and then break it in half

4. Wind Abrasion Mechanical/Physical
When wind blows an object from one place to another

5. Gravity Abrasion Mechanical/Physical
The rocks roll down the hill breaking down, forming sediments

6. Water Abrasion Mechanical/Physical
When water rushes over the rocks making them smoother

7. Animal burrowing Mechanical/Physical
When an animal builds a habitat and breaks down the soil when doing it

8. Acid precipitation Chemical
When chemicals, and acid mix with rain and create acid rain

9. Acid in living things Chemical
Living organisms get on the tree and spread acid

10. Rusting/oxyidation
Chemical
Air mixed with oxygen causes rust

11. Bonus/Weathering Mechanical/physical
The breaking down of rock into sediments

12. Thank you for watching