1. Mineral Review Game Grad a white board and a marker in the back. `

2. If a mineral has perfect cleavage, it A. Breaks easily B. Breaks along smooth surfaces C. Scratches smooth surfaces D. Scratches easily The Answer is: B- it breaks along smooth surfaces

3. Rock forming minerals contain elements that are common in Earth’s A. Mantle A. Mantle B. Crust B. Crust C. Outer Core C. Outer Core D. Inner Core D. Inner Core B. Crust

4. Which of the following is true? A. some minerals have no crystal structure A. some minerals have no crystal structure B. Some minerals are liquids B. Some minerals are liquids C. Minerals are rarely form in nature C. Minerals are rarely form in nature D. Minerals are always solids D. Minerals are always solids D. Minerals are always solids!

5. The most common rock – forming minerals are A. oxides A. oxides B. Carbonates B. Carbonates C. silicates C. silicates D. metals D. metals C. silicates C. silicates

6. Which of the following is one way to tell which of two minerals is harder? A. The harder mineral will mark a penny A. The harder mineral will mark a penny B. The harder mineral will attract a magnet B. The harder mineral will attract a magnet C. The harder mineral will scratch the softer one C. The harder mineral will scratch the softer one D. The harder mineral cannot be scratched by steel. D. The harder mineral cannot be scratched by steel. C. The harder one will scratch the softer one

7. The color of a mineral when it is ground into a powder is its A. fracture A. fracture B. cleavage B. cleavage C. luster C. luster D. Streak D. Streak D. Streak

8. The best way to tell a pyrite sample from a gold sample of similar size is to compare their A. Colors A. Colors B. Luster B. Luster C. Densities C. Densities D. Bonds D. Bonds C. Densities

9. When you say a mineral is “metallic,” you are talking about its A. streak A. streak B. luster B. luster C. hardness C. hardness D. fracture D. fracture B. LUSTER!

10. Minerals are grouped according to their A. Structure A. Structure B. Composition B. Composition C. Density C. Density D. Mass D. Mass B. Composition

11. Quartz, feldspar, and mica are all common A. elements A. elements B. Carbonates B. Carbonates C. oxides C. oxides D. silicates D. silicates D. Silicates

12. Determining the manner in which a mineral breaks is helpful when A. identifying mineral A. identifying mineral B. making the mineral B. making the mineral C. changing the mineral’s composition C. changing the mineral’s composition D. mining the mineral D. mining the mineral A. Identifying the mineral

13. The two major types of mineral luster are A. metallic and nonmetallic A. metallic and nonmetallic B. shiny and dull B. shiny and dull C. glossy and metallic C. glossy and metallic D. dull and glossy D. dull and glossy A. Metallic and nonmetallic

14. Which of the following are the most common groups of rock forming minerals? A. Carbonates and silicates A. Carbonates and silicates B. oxides and carbonates B. oxides and carbonates C. diamonds and oxides C. diamonds and oxides D. silicates and diamonds D. silicates and diamonds A. Carbonates and silicates

15. All minerals are A. Cubic A. Cubic B. hexagonal B. hexagonal C. liquids C. liquids D. Solids D. Solids D. Solids

16. To identify a mineral, scientists may scratch a mineral against a surface. The Color of powder left behind is the mineral’s A. element A. element B. streak B. streak C. luster C. luster D. fluorescence D. fluorescence B. Streak

17. A quartz sample breaks into many irregular pieces. This is an example of A. fracture A. fracture B. Cleavage B. Cleavage C. Density C. Density D. Streak D. Streak A. Fracture

18. MOHS Scale of Hardness 1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Feldspar 7 Quartz 8 Topaz 9 Corundum 10 Diamond Your fingernail has a hardness of about 2.5 A steel file has a hardness of 6.5 Name one mineral on the Mohs scale that is softer than fluorite Write your answer on the dry erase board.

19. What is the hardness of topaz? MOHS Scale of Hardness 1. Talc 2. Gypsum 3. Calcite 4. Fluorite 5. Apatite 6. Feldspar 7. Quartz 8. Topaz 9. Corundum 10. Diamond Your fingernail has a hardness of about 2.5 A steel file has a hardness of 6.5 8 What is the hardness of Feldspar? What is the hardness of Feldspar? 3 What is the hardness of Calcite? What is the hardness of Calcite? 6

20. Is a Diamond harder or softer than a steel file? MOHS Scale of Hardness 1. Talc 2. Gypsum 3. Calcite 4. Fluorite 5. Apatite 6. Feldspar 7. Quartz 8. Topaz 9. Corundum 10. Diamond Your fingernail has a hardness of about 2.5 A steel file has a hardness of 6.5 Harder Is topaz harder or softer than a steel file? Is topaz harder or softer than a steel file? Is Feldspar harder or softer than a Topaz? Is Feldspar harder or softer than a Topaz? Harder Softer

21. Explain why you could not use a steel file to tell the difference between a sample of topaz and a sample of quartz. Explain why you could not use a steel file to tell the difference between a sample of topaz and a sample of quartz. MOHS Scale of Hardness 1. Talc 2. Gypsum 3. Calcite 4. Fluorite 5. Apatite 6. Feldspar 7. Quartz 8. Topaz 9. Corundum 10. Diamond Your fingernail has a hardness of about 2.5 A steel file has a hardness of 6.5

22. I’m the color of the mineral powder left behind when a mineral is scraped across a surface. streak streak

23. I’m molten rock inside Earth Magma Magma

24. I’m a solid formed in nature with a definite chemical makeup and crystal structure. Mineral Mineral

25. I’m the way in which light reflects from the surface of a mineral. Luster Luster

26. I’m the molten rock that reaches Earth’s surface. Lava Lava

27. I’m a substance that contains only one type of atom. Element Element

28. I’m the tendency of a mineral to break along flat surfaces. Cleavage Cleavage

29. I’m a solid in which the atoms are arranged in an orderly, repeating three-dimensional pattern. Crystal Crystal

30. I’m the tendency of a mineral to break into irregular pieces. Fracture Fracture

31. I’m a mineral’s resistance to being scratched. hardness hardness

32. I’m the mass of a substance divided by its volume. density density