| A | B |
|---|
| sediments | rock particles broken down by weathering |
| weathering | chemical and physical breakdown or rocks at or near Earth's surface |
| chemical weathering | breakdown of rock through change in mineral or chemical composition |
| physical weathering | breakdown of rock into smaller pieces |
| abrasion | when rock particles grind against rock |
| soil | mixture of rock particles and organic matter on Earth's surface |
| erosion | process that transports weathered particles |
| gravity | driving force for most types of erosion |
| mass movements | direct gravity erosion |
| running water | most common agent of erosion |
| stream abrasion | rounds sediments carried alond in streams |
| watershed | drainage area |
| V-shaped valley | results from combined actions of stream downcutting, runoff and mass movement |
| stream channel shape | shape of bedrock or loose materials that confine a stream |
| gradient | slope of a stream |
| discharge | volume fo water in a stream |
| finger lake | bodies of water in U-shaped valleys fromed by glaciers |
| meander | formed as stream shifts its course |
| flood plain | sediments deposited by flooding stream |
| delta | fan-shaped deposit of sediments at stream's mouth |
| sandblasting | wind blown sand eroding rocks |
| glacier | mass of ice and snow that moves downhill on land |
| U-shaped valley | wide valley eroded by glaciers |
| breaking waves | erode shoreline and move sediments |
| sandbars | mound created by breaking waves |
