| A | B |
| What is the major cause of erosion? | water |
| What is a delta? | River or lake that flows into the ocean |
| Continental glacier | a glacier on a continent |
| What is abrasion? | When wind blows sediments around |
| What is mechanical weathering? | When animals and sediments break apart other rocks |
| Chemical weathering | Water and acid rain break apart rocks |
| What is a glacier? | body of ice that is moving under its own weight |
| U-shaped valley | valley normally caused by a glacier thawing over time |
| What is a V-shaped valley | Valley formed by the erosion from a river flowing through it |
| What is a landslide? | Rocks and sediments fall down a slope |
| What is a mud flow? | Soil and a mud fall down a slope |
| What is a creep? | When the ground caves in |
| Plocking | When a glacier drops sediment as it moves |
| Stalactite | rocks formed on the "ceiling" in a cavern or cave |
| Stalagmite | Rocks formed on the floor of a cave or cavern |
| How are beaches formed? | Formed by waves moving sand. |
| What is run off? | Extra water left by rain that the soil cannot absorb |
| What are mass movements? | Soil and rock or mud that are pulled down hills because of gravity |