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| Pregunta | Respuesta |
| Weathering | Rocks are worn down usually by the weather (in situ.) |
| Erosion | The wearing down of rocks- usually in rivers or on coasts |
| Transportation | Movement of eroded material |
| Deposition | Dropping of material that has been carried. |
| What are the four types of erosion? | Corrosion/ Sollution Abrasion Attrition Hydraulic action |
| What happens in sollution? | Water disolves soluble materials. |
| What happens in abrasion? | The bed load in the river eroads away the river bed and river banks. |
| What happens in attrition? | Bed load wears other bed load down. (This doesn't change the river shape.) |
| What happens in hydraulic action? | The force of fast flowing water crashes against river banks. |
| What are the four types of transporation? | Solution Suspension Traction Saltation |
| What happens in solution? | minerals are dissolved in the water and carried along in solution. |
| What happens in suspension? | Fine, light material e.g. sand is carried along in water. |
| What happens in traction? | Large boulders and rocks are rolled along the river bed. |
| What happens in Saltation? | Small pebles and stones are bounced along the river bed. |
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