1. Grade 5 Science Review Chapter A1

2. Words To Know minerals hand lens electron microscope microscope crystals cleavage luster scale

3. What happens to crystals when they break apart? They stay the same, but become smaller or They turn into dust.

4. They stay the same shape, but become smaller.

5. What tool is used to make things look 1,000 times bigger? microscope hand lens or electron microscope

7. What is a structure that has a regular, repeating pattern? cleavage or crystal

9. Which crystal is used in cement and concrete? quartz sand or gemstones

10. quartz sand

11. What is a non-living piece of solid matter that makes up rocks? chlorophyll minerals or water

12. minerals

13. Name a crystal that has a flat shape like a thin book. salt or sugar

15. If you want to look at smaller objects more closely, what should you do? Enlarge them with a hands lens Hold objects away from your eye or Enlarge them with a microscope

16. Enlarge them with a hand lens and/or Enlarge them with a microscope

17. What is the way a crystal reflects light called? cleavage hardness luster or color

18. luster

19. Name the four properties of gemstones/crystals. cleavage, color, luster, scale or hardness, cleavage, luster, color

21. What is the purpose of a hand lens or microscope? to take a picture or to magnify objects

23. What are rocks that have a crystal lining inside them called? geodes mica or feldspar

24. geodes

25. Name a crystal that does not come from a mineral. salt or sugar

27. What mineral is gathered from the ocean? water salt or sugar

28. salt

29. What is a way a crystal breaks called? hardness cleavage or luster

30. cleavage

31. What scale is used to classify the minerals’ hardness? Gypsum’s Scale of Hardness or Moh’s Scale of Hardness

32. HardnessMinerals 1Talc 2Gypsum 3Calcite 4Fluorite 5Apatite 6Feldspar 7Quartz 8Topaz 9Corundum 10Diamond

33. What test is used to determine the hardness of a crystal? Scratch test Hardness test or Strength test

34. Scratch test

35. What would you see if you crushed a grain of salt and observed the pieces through a microscope? powder Repeating pattern in a cubic shape or Larger salt crystals

36. repeating pattern in a cubic shape

37. Compare Salt & Sugar Characteristics SaltSugar mineral dissolves in water cubicrectangular crystal