______ 1. It is the breaking down of rocks into fragments. A. Erosion C. Run off B. Flooding D. Weathering ______ 2. A type of weathering that involves change in the composition of rocks. A. chemical C. both chemical and mechanical B. mechanical D. none of the above ______ 3. What do you call the process by which humans extract stones from the mountains for construction purpose? A. digging C. weathering A. flattering D. quarrying ______ 4. What happen to rock when it is exposed to higher temperature? A. contracts C. expands B. evaporates D. sinks ______ 5. An open-pit mine where rocks can be extracted. A. landfill C. reservoir B. open-field D. quarry
_______6. The apparent changes in the moon is called___________. A. an orbit B. a crater C. a phase D. a satellite _______7. About how many days does it take the moon to go through its cycle ? A. 5 B. 10 C. 24 D. 29 ½ _______8. When the part of the moon that you can see is slowly getting bigger or growing, it is___. A. Full B. New C. Waning D. Waxing _____9. When the part of the moon that you can see appears to be shrinking or decreasing. It is __. A. Full B. New C. Waning D. Waxing ______10. The only natural satellite that Earth has. A. moon B. mountain C. star D. sun
