Science

Question 1

a naturally formed, inorganic solid that has a definite chemical structure.

Answer 1

mineral

Question 2

a naturally occurring solid mixture of one or more minerals or organic matter.

Answer 2

rock

Question 3

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

Answer 3

element

Question 4

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

Answer 4

compound

Question 5

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

Answer 5

crystal

Question 6

the quality of an object or substance with respect to light reflected by the object, usually determined visually by measurement of hue, saturation, and brightness of the reflected light.

Answer 6

color

Question 7

the way in which a mineral reflects light.

Answer 7

luster

Question 8

the color of the powder of a mineral.

Answer 8

streak

Question 9

the splitting of a mineral along smooth flat surface.

Answer 9

cleavage

Question 10

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

Answer 10

fracture

Question 11

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

Answer 11

density

Question 12

a natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably.

Answer 12

ore

Question 13

with a high specific gravity and metallic luster, such as titanium, rutile, tungsten, uranium, tin, lead, iron, etc. In general, the metallic minerals are good conductors of heat and electricity.

Answer 13

Metallic minerals

Question 14

can be described as the minerals that do not comprise of metals. Some examples of non-metallic minerals are limestone, manganese, mica, gypsum, coal, dolomite, phosphate, salt, granite, etc.

Answer 14

Non-metallic minerals

Question 15

a precious or semiprecious stone, especially one cut, polished, and used in a piece of jewelry.

Answer 15

Gemstones

Question 16

derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic.

Answer 16

igneous rock

Question 17

are types of rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth’s surface.

Answer 17

Sedimentary rock

Question 18

are rocks that have become changed by intense heat or pressure while forming.

Answer 18

Metamorphic rock