Science

Question 1

usually 1st characteristic noticed about a mineral, but not always reliable

Answer 1

color

Question 2

naturally formed inorganic solid that has a definite crystalline structure

Answer 2

mineral

Question 3

substance that cannot be separated or broken down into simpler substances by chemical means

Answer 3

elements

Question 4

substance made up of atoms of two or more different elements joined by chemical bonds

Answer 4

compound

Question 5

solid whose atoms ions or molecules are arranged in a definite pattern

Answer 5

crystal

Question 6

way in which a mineral reflects light

Answer 6

luster

Question 7

color of the powder of a mineral

Answer 7

streak

Question 8

splitting of a mineral along smooth flat surfaces

Answer 8

cleavage

Question 9

manner in which a mineral breaks along either curved or irregular surfaces

Answer 9

fracture

Question 10

A naturally occurring solid mixture of one or more minerals or organic matter

Answer 10

rock

Question 11

measure of the ability of a mineral to resist scratching

Answer 11

hardness

Question 12

ratio of the mass of a substance to the volume of the substance

Answer 12

density

Question 13

A natural material whose concentration of minerals is high enough for the material to be mined for a profit

Answer 13

ore

Question 14

Shiny, good conductors of heat and electricity

Answer 14

metallic materials

Question 15

Shiny or dull, good insulators of electricity

Answer 15

non metallic materials

Question 16

Some minerals are highly valuable for their beauty and rarity

Answer 16

gemstones

Question 17

form when hot, molten rock crystallizes and solidifies

Answer 17

igneous rock

Question 18

formed from pre-existing rocks or pieces of once-living organisms

Answer 18

Sedimentary rock

Question 19

started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form

Answer 19

Metamorphic rock