Matter Vocabulary

Question 1

alloy

Answer 1

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

Question 2

brittleness

Answer 2

a material’s ability to absorb energy before fracturing.

Question 3

chemical change

Answer 3

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

Question 4

chemical property

Answer 4

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

Question 5

chromatography

Answer 5

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

Question 6

combustibility

Answer 6

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

Question 7

compound

Answer 7

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

Question 8

condensation

Answer 8

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

Question 9

condensation point

Answer 9

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

Question 10

crystallization

Answer 10

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

Question 11

density

Answer 11

the amount of mass per unit volume.

Question 12

deposition

Answer 12

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

Question 13

distillation

Answer 13

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

Question 14

enthalpy

Answer 14

the amount of heat in a system at constant pressure.

Question 15

evaporation

Answer 15

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