5 Written Questions
5 Matching Questions
- ice wedging
- mass movement
- a a chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
- b The removal of rock particles by wind, water, ice, or gravity
- c wedges of ice in rocks widen and deepen cracks
- d The breaking down of rocks and other materials on the Earth's surface.
- e any one of several processes by which gravity moves sediment downhill
5 Multiple Choice Questions
- Rich, fertile soil that is made up of about equal parts of clay, sand, and silt.
- The layer of soil that differs in color and texture from the layers above or below it.
- Dark-colored organic material in soil.
- A measure of how well soil supports plant growth.
- Mixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil.
5 True/False Questions
abrasion → The removal of rock particles by wind, water, ice, or gravity
deposition → process in which sediment is laid down in new locations
litter → the loose layer of dead plant leaves and stems on the surface of the soil
sediment → the loose, weathered material on Earth's surface in which plants can grow
decomposer → process in which sediment is laid down in new locations