5Th Grade: Chapter 9 & 10

Front 1

element

Back 1

A substance that cannot be broken apart chemically into other substances.

Front 2

compound

Back 2

A pure substance made of two or more elements that are chemically combined.

Front 3

chemical reaction

Back 3

a process in which one or more substances are changed into one or more different substances.

Front 4

chemical formula

Back 4

a shorthand way to describe a compound.

Front 5

physical property

Back 5

any characteristic of matter that can be measured or detected by the senses.

Front 6

indicator

Back 6

a substance used to show the presence of an acid or base in a substance

Front 7

mass

Back 7

can be measured with a balance.

Front 8

volume

Back 8

not in a water, measure the volume of water that is displaced.

Front 9

density

Back 9

the weight of the object compared to water.

Front 10

melting point

Back 10

the temperature at which a solid turns into a liquid.

Front 11

boiling point

Back 11

the temperature at which enough energy is added to a liquid to change into a gas.

Front 12

solubility

Back 12

the measure of how much of one substance can dissolve into another.

Front 13

conductivity

Back 13

a materials ability to carry heat or electricity

Front 14

acid

Back 14

a compound that typically releases hydrogen ions.

Front 15

base

Back 15

a compound that typically receives hydrogen ions.

Front 16

ph

Back 16

the value of measured strength of acids and bases.

Front 17

salt

Back 17

a compound formed when a strong acid reacts with a strong base.

Front 18

matter

Back 18

something that takes up space.

Front 19

phases of matter

Back 19

solid, liquid, or a gas

Front 20

liquid

Back 20

a form of matter that has a definite volume but no definite shape.

Front 21

gas

Back 21

a form of matter that has no definite shape or volume.

Front 22

solid

Back 22

a form of matter that has a definite shape and volume.

Front 23

plasma

Back 23

ionized gas

Front 24

mixture

Back 24

a phisical combo of two or more substances

Front 25

homogeneous

Back 25

a mixture that is uniform throughout. evenly distributed particles

Front 26

heterogeneous

Back 26

unevenly distributed materials

Front 27

solution

Back 27

a homogeneous mixture where the parts are evenly distributed at the attomic or molecular level.

Front 28

alloy

Back 28

mixtures of two or more metals.

Front 29

melting

Back 29

from a solid to a liquid.

Front 30

freezing

Back 30

liquid to a solid

Front 31

vaporization

Back 31

the process of liquid to a gas

Front 32

evaporation

Back 32

slow or gradual vaporization

Front 33

condensation

Back 33

gas to a liquid.

Front 34

sublimation

Back 34

solid to a gas.

Front 35

physical change

Back 35

change in size shape or state of matter with no new matter being formed.

Front 36

chemical change

Back 36

when one set of substances changes to form new substances with particles that differ in the number or types of atoms.

Front 37

reactant

Back 37

when a substance enters into and is altered through the course of a chemical change.

Front 38

product

Back 38

a substance that results from a chemical change.