WEATHERING, EROSION, & DEPOSITION SOL 5.7 Study Guide ANSWER KEY 1. WEATHERING is the process of breaking rocks, sand, and clay down into smaller pieces called SEDIMENT. 2. There are TWO (2) types of weathering. 3. Describe physical weathering. IT CHANGES THE SIZE OF THE ROCK, BUT NOT WHAT THE ROCK IS MADE OF. 4. Identify four causes of physical weathering. WATER, TEMPERATURE, WIND, PLANTS 5. Describe chemical weathering. IT BREAKS DOWN ROCKS THROUGH CHEMICAL REACTIONS, BUT NEW SUBSTANCES ARE FORMED. 6. The process of moving sediment from one place to another is called EROSION. 7. Identify four causes of erosion. WATER, WIND, PEOPLE, ANIMALS 8. The dropping off and layering of sediments in a new location or place is called DEPOSITION. 9. Water, wind, ice, and movements inside the Earth can cause LANDFORMS to change. 10. Draw and explain a picture showing weathering and erosion. WEATHERING ANSWERS WILL VARY. STUDENTS SHOULD BE ABLE TO EXPLAIN THAT WEATHERING IS THE PROCESS THROUGH WHICH ROCKS OR OTHER MATERIALS ARE BROKEN DOWN BY PHYSICAL OR CHEMICAL MEANS. EROSION (ANSWERS WILL VARY) STUDENTS SHOULD BE ABLE TO EXPLAIN THAT EROSION IS THE PROCESS THROUGH WHICH WEATHERED ROCK IS MOVED FROM ONE PLACE TO ANOTHER. THIS CAN HAPPEN BY WATER, WIND, GRAVITY (PEOPLE, ANIMALS), AND GLACIERS.