test (minerals and ores)

Question 1

streak

Answer 1

usually the same color in any case

Question 2

luster

Answer 2

the amount and quality of the light

Question 3

crystal shape

Answer 3

the shape is based on the arrangement (order) of atoms in the mineral.

Question 4

cleavage

Answer 4

minerals split into flat sheets, creating new facets

Question 5

hardness

Answer 5

how hard of soft it is

Question 6

specific gravity

Answer 6

ratio of its destiny

Question 7

flame test

Answer 7

used to identify minerals by characteristic colors

Question 8

acid test

Answer 8

used to identify minerals in families (carbonates, sulfides, and sulfites)

Question 9

magnetism

Answer 9

test to see if a magnet will attract a mineral or its powder

Question 10

radioactivity

Answer 10

atomic nuclei change by giving away particles and rays

Question 11

refraction

Answer 11

the bending of light

Question 12

2 facts of silicates

Answer 12

1. 25% of all known minerals

2. 90% of the earth’s crust is silicates

Question 13

2 facts about oxides

Answer 13

1. oxides are minerals made out of oxygen and some other element (usually metal)
2. they are chief sources of major metals

Question 14

2 facts about sulfides

Answer 14

1. minerals made of metals and sulfur

2. sulfides are opaque.

Question 15

2 facts about carbonates

Answer 15

1. minerals containing metal ions and carbonate ion

2. used to make paper, cement, and steel.

Question 16

lithosphere

Answer 16

a combination of a mantle and crust

Question 17

list the 3 rocks

Answer 17

sediment, and metamorphic, igneous

Question 18

explain a sediment rock

Answer 18

they form from dissolved minerals

Question 19

explain a metamorphic rock

Answer 19

a combination of igneous and sediment

Question 20

explain a igneous rock

Answer 20

igneous is harden lava