1. Earth Materials Practice 1. Click to view the question. 2. Think about the answer. 3. Click to view the answer. 4. Click to view the next question. HAPPY STUDYING!

2. What is a rock?

3. An earth material that is made up of several ingredients, called minerals

4. What is a mineral?

5. An ingredient of a rock that cannot be broken down any further

6. What is the difference between a rock and a mineral?

7. A rock is made up of several minerals and a mineral is the same substance throughout

8. How is a mock rock like a real rock?

9. Both are made up of ingredients that give them their special properties

10. What is the diameter of a rock?

11. A measurement of size that stretches the length of a rock, across the center

12. What is the depth of a rock?

13. A measurement of size that tells how thick it is

14. What is the circumference of a rock?

15. A measurement of size that tells the distance in a circle, around a rock

16. What are properties that someone could use to identify a rock?

17. Size, color, hardness, and texture

18. How can you tell the hardness of a rock?

19. Perform a scratch test or scrape it with something

20. How can you tell if a rock contains calcite?

21. Put it in vinegar and see if it bubbles

22. Name a job that involves working with earth materials.

23. Geologist, teacher, paleontologist, seismologist, archaeologist

24. Name 3 tools that you used in class to work with earth materials.

25. Pick, nail, tape measure, ruler, magnifying glass, penny, paper clip, vinegar, vial, evaporating dish, fingernail, water

26. THE END! Go back to the beginning to practice again!