Directions: Write the letter of the best answer on your paper. 1. It is the breaking down of rocks into fragments. A. Erosion B flooding C. runoff D. Weathering 2. A type of weathering that involves change in the composition of the rock A Chemical B. Disintegration C. Mechanical D. Physical 3. What do you call the process by which humans extract stones from the mountains for construction purposes A. digging B. flattering C. weathering 6 6 quarrying 4. What will happen to a rock when it is exposed to a higher temperature A. contracts B. evaporates expands D. sinks C exp 5. An open-pit mine where rocks can be extracted A. Landfill B. open-filled C. reservoir D. quarry 6. This can cause chemical weathering in rocks. A rain B. rust C. wind D. plant roots 7. This can cause mechanical weathering of rocks. A. acid rain C. landslide B. decayed materials D. rust 8. It happens when water in rocks continue to freeze and thaw. A. Chemical weathering C. Formation of igneous rocks B. Mechanical weathering D. Formation Sedimentary rocks 9. When rainwater combines with carbon dioxide and other pollutants in air, it forms that dissolve some minerals in rocks. A, rust B. holes C. acid rain D. sulfuric acid 10. Which of these is the product of weathering A. soil B. water C. air D. acid 7
