minerals

Question 1

mineral

Answer 1

a solid inorganic substance of natural occurrence

Question 2

rock

Answer 2

the solid mineral material forming part of the surface of the earth and other similar planets

Question 3

element

Answer 3

a part or aspect of something abstract

Question 4

compound

Answer 4

a thing that is composed of two or more separate elements; a mixture

Question 5

crystal

Answer 5

piece of a homogeneous solid substance

Question 6

color

Answer 6

property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light

Question 7

luster

Answer 7

a gentle sheen or soft glow

Question 8

streak

Answer 8

element of a specified kind in someone’s character

Question 9

cleavage

Answer 9

sharp division

Question 10

fracture

Answer 10

cracking or breaking of a hard object or material

Question 11

density

Answer 11

degree of compactness of a substance

Question 12

ore

Answer 12

naturally occurring solid material from which a metal or valuable mineral can be profitably extracted

Question 13

metallic minerals

Answer 13

minerals which contain one or more metallic elements

Question 14

non-metallic minerals

Answer 14

are more abundant than metallic minerals

Question 15

gemstones

Answer 15

precious or semiprecious stone

Question 16

igneous rock

Answer 16

formed through the cooling and solidification of magma or lava

Question 17

sedimentary rock

Answer 17

types of rock that are formed by the accumulation or deposition of mineral or organic particles at the Earth’s surface

Question 18

metamorphic rock

Answer 18

original rock is subjected to heat and pressure causing profound physical or chemical change