| A | B |
|---|
| How does the river move in the upper course? | The river moves fast and straight |
| What can you find in the upper course of a river? | You can find waterfalls and rapids. |
| What does the upper course river create? | It creates v-shaped valley |
| How does the river move in the middle course? | The river moves not as fast as the upper course and cuts side to side. The current flows faster on the outside bend of a river channel. |
| What does the river in the middle course create? | It creates meanders. Meanders are curves and bends |
| What can you find in the middle course river? | You can find an ox-bow lake |
| How does the river move in the lower course? | The river moves very slowly |
| What does the river create in the lower course? | The river creates a delta at the mouth of the river. |
| What can you find in the lower course river? | You can find a flood plain. |
| How do the sediments cut the land in the middle course river? | It cuts from side to side |
| What are meanders? | They are bends in lakes that go side to side |
| What is an ox bow lake? | Is a meander that has been cut off from the river |
| What is a delta? | It is a triangular shaped new land that is formed at the mouth of the river. |
| What is Geothermal Activity? | It is when the Earth heats ground water. |
| What is Geyserite? | It is a mineral that creates water and pressure tight seal inside a geyser |
| What is a Hot Spring? | It is ground water at the surface of the Earth that has been heated by geothermal activity |
| What is a glacier? | It is large slow moving mass of ice |
| Glacier till | Unsorted clay, silt, sand, gravel and rocks |
| Moraine | a ridge or pile of glacier till |
| Crevasse | cracks in the surface of a glacier |
| Erratic | a large boulder that was moved by a glacier that does not fit its environment |
| Retreats | position of a glaciers terminus (end of glacier) is farther up valley than before |
| U-shaped valley | a valley carved into the shape of a U by the actions of a glacier. |
| Striation | scratch marks on rocks left by a glacier. |
| Glacier Flour | A very fine sediment created by glaciers that is always suspended in water and turns glacier water aqua in color |
