Ref Saland Bayor Web WWW htto http Fro 3. A scientist is investigating an unknown mineral. As a safety precaution, what should he NEVER do in this investigation? A. Use another mineral to scratch it. B. See if the mineral leaves a streak. C. Compares Its taste to another mineral. D. Check to see if the mineral la magnetic. 4. While walking in his backyard. Bil picked up an object that he thought was a rock. When he dropped, it broke. He noticed that there were crystals inside. Now he is not sure if the object was a rock. What did Bill find? He picked up A. a rock, and the crystals Inside rocks, too B. a mineral, and the crystals Inside are rocks C. a rock, and the crystals inside are minerals D. a mineral, and the crystals inside are made of dirt 5. Which causes sedimentary rock to change into metamorphic rock? A. heating and pressure C. weathering and pressure B. cooling and hardening D. cementing and weathering 6. What is the difference between a rock and a mineral? a A. A rock is prettier, C. A mineral is more valuable B. A rock is made of minerals D. Both A and B 7. Which is NOT TRUE about rock cycle? A. It shows that rock is lost forever. B. It shows that the rocks are recycled. C. It shows the rock's joumey as it changes, D. It is a summary of the processes that change rock from one kind to another. 8. What is the process where sediments are dropped off in a new location? A. cementation B. compaction C. deposition D. transportation 9. Which of the following activities has resulted in an increased rate of weathering? A. The release of too much carbon dioxide in the air that turns rain into 'acid rain" B. The physical disintegration of rocks during construction and mining, C. Both A and B htt ht D neither A nor B​