1. This is a slide show about weathering! By: Skye

2. Weathering Weathering is the breaking down of rocks. 3. Abrasion Abrasion is wind that can change rock.Sharp edges of sand can break down softer parts of rock.This is called abrasion. 4. Carbonic Acid Carbonic acid is something that is formed when carbon dioxide combines with rainwater. 5. Chemical Weathering Chemical weathering is is a type of weathering that breaks down by changing its minerals. 6. Exfoliation Exfoliation is weather that causes layers of rock to peel like an onion. 7. Horizon Horizon is a layer of soil. 8. Humus Humus is decayed plant or animal material. . 9. Physical Weathering Physical weathering is weathering that breaks down rocks without changing the minerals. 10. Thank you for watching my slide show on weathering!