Matter Vocabulary

Question 1

a homogeneous mixture of metals, or a mixture of a metal and a nonmetal in which the metal is the major component.

Answer 1

ALLOY

Question 2

a material’s ability to absorb energy before fracturing

Answer 2

BRITTLENESS

Question 3

any change that results in the formation of a new chemical substance

Answer 3

CHEMICAL CHANGE

Question 4

a characteristic of a substance that’s observed during a chemical reaction

Answer 4

CHEMICAL PROPERTY

Question 5

parts of a mixture are separated based on the ability of each dissolved component to travel through materials at different speeds.

Answer 5

CHROMATOGRAPHY

Question 6

occurs when a material catches fire at a temperature above 43 degrees celcius

Answer 6

COMBUSTIBILITY

Question 7

any substance formed from two or more elements that have been joined together chemically

Answer 7

COMPOUND

Question 8

the phase change that occurs when water vapor cools down to form liquid water

Answer 8

CONDENSATION

Question 9

the temperature at which a gas turns into a liquid at standard pressure

Answer 9

CONDENSATION POINT

Question 10

the separation of a pure solid substance from a solution containing the dissolved substance

Answer 10

CRYSTALLIZATION

Question 11

the amount of mass per unit volume

Answer 11

DENSITY

Question 12

when a gas changes directly into a solid without going through the liquid phase

Answer 12

DEPOSITION

Question 13

the process that separates homogenous mixtures based on the different boiling points of the substances

Answer 13

DISTILLATION

Question 14

the amount of heat in a system at constant pressure

Answer 14

ENTHALPY

Question 15

occurs on the surface of a liquid as it changes into a gas

Answer 15

EVAPORATION

Question 16

a physical process used to separate solids from liquids by passing them through a barrier

Answer 16

FILTRATION

Question 17

occurs when a material catches fire at a temperature below 43 degrees celcius

Answer 17

FLAMMABILITY

Question 18

when a liquid turns into a solid

Answer 18

FREEZING

Question 19

the temperature at which a liquid turns into a solid

Answer 19

FREEZING POINT

Question 20

a combination of two or more substances in which the original substances are separated into physical distinct regions

Answer 20

HETEROGENEOUS MIXTURE

Question 21

a combination of two or more substances that have uniform composition and chemical properties throughout; also known as a solution

Answer 21

HOMOGENEOUS MIXTURE

Question 22

any force that can hold or repel particles

Answer 22

INTERMOLECULAR FORCE

Question 23

how readily a material’s shape can be changed

Answer 23

MALLEABILITY

Question 24

anything that has mass and takes up space

Answer 24

MATTER

Question 25

when a solid turns into a liquid

Answer 25

MELTING

Question 26

the temperature at which a solid turns into a liquid

Answer 26

MELTING POINT

Question 27

a combination of two or more pure substances in which each pure substance retains its individual chemical properties

Answer 27

MIXTURE

Question 28

a special type of physical change in which a substance transitions among the states of matter, solid, liquid, and gas, but the chemical properties of the substance remain the same

Answer 28

PHASE CHANGE

Question 29

a change which alters a substance without altering its composition

Answer 29

PHYSICAL CHANGE

Question 30

a characteristic that can be observed or measured without changing the chemical makeup of a substance. Types include color, odor, texture, boiling point, melting point, and density

Answer 30

PHYSICAL PROPERTY

Question 31

the relative ability of a substance to undergo a chemical reaction

Answer 31

REACTIVITY

Question 32

a combination of two or more substances that have uniform composition and chemical properties throughout; also known as a homogeneous mixture

Answer 32

SOLUTION

Question 33

when a solid transitions into a gas without going through the liquid phase

Answer 33

SUBLIMATION

Question 34

a measure of the random kinetic energy in a sample of matter

Answer 34

TEMPERATURE

Question 35

the phase change from liquid to gas

Answer 35

VAPORIZATION