Earth Science Chapter 2 Test. 12-23 Part 2 Ending?

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12.The acid test is used to determine if a mineral contains

a. lead b. gold c. pyrite d. calcium carbonate

13. The splitting of a mineral into pieces with smooth, flat surfaces is

a. fracture b. cleavage c.crystals d. luster

14. The way a mineral reflects light is

a. color b. fracture c. density d. luster

15. All minerals are

a. solids b. liquids c. gases d. organic

16. The result of magma cooling underground is

a. evaporation b. precipitation c. crystallization d. solution

17. Mica splits into pieces that are

a. cubelike b. thin sheets c. round d. steplike

18. Oxygen and carbon are

a. atoms b. molecules c. elements d. compounds

19. The smallest part of a compound is

a. an atom b. an element c. a mineral d. a molecule

20. Acid causes a mineral containing calcium carbonate to

a. frizz b. fracture c. burn d. shine

21 Ores are mined because they contain

a. useful metals or nonmetals b. crystals c. magnets d. luster

22. Two examples of precious stone are

a. Bauxite and diamonds b. ruby and hematite c. feldspar and halite d. sapphire and emerald

23. When lava cools quickly, it forms rock with

a. large crystals b. a coarse texture c. small crystals d. many thin layers
 
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