7Th Grade Final Vocab

Front 1

solid

Back 1

matter has definite volume and definite shape

Front 2

liquid

Back 2

matter that has definite volume but no definite shape

Front 3

gas

Back 3

matter that has no definite shape and no definite volume

Front 4

element

Back 4

a substance that can not be broken down into simpler substances with qwhose are exactly alike

Front 5

atom

Back 5

small particles that make up a solid liquid and gashave subatomic particlescalled protons elctrons and nuetrons

Front 6

Atomic number

Back 6

information that can give you the number of protons

Front 7

atomic mass

Back 7

the total number of protons and nuetrons

Front 8

proton

Back 8

positive charge subatomic particles

Front 9

nuetron

Back 9

no charge subatomic particles

Front 10

electron

Back 10

negativly charged subtomic particles

Front 11

metoliod

Back 11

elements that have charateristics of both metals and non-metels

Front 12

metal

Back 12

elements that are malleaball, ductillgenerally shinny

Front 13

non-metal

Back 13

elements that are usually dull and shinny

Front 14

ionic bonding

Back 14

bonding that takes place between metal and non- metals

Front 15

covalent bonding

Back 15

bonding that takes between 2 non-metals

Front 16

Alkaline earth metal

Back 16

reactive metals that have 2 valence electrons

Front 17

Alkali metal

Back 17

most reactive metals that have one valence electron

Front 18

noble gases

Back 18

non reactive gases that have a complete outer shell, 8 valence electrons

Front 19

valence elctrons

Back 19

electrons that are on the outer shell

Front 20

wave length

Back 20

the distance between a point on a wave and a identicle point on the nextmeasured crest to crest and trough to trough

Front 21

frequency

Back 21

the number of waves produced in a certin amount of time

Front 22

crest

Back 22

the highest point of a transverse wave

Front 23

compression wave

Back 23

a wave in which particles of the meadium vubrate back and forth

Front 24

trough

Back 24

the low point of a transverse wave

Front 25

transverse wave

Back 25

a wave in which particles of the waves medium vibrate at right angles

Front 26

amplitude

Back 26

the maximum distance a wave vibrates from its rest position

Front 27

condensation

Back 27

the change in state from liquid to gas

Front 28

precipitaition

Back 28

water fallong from clouds including. rain snow sleet and hail

Front 29

evaporation

Back 29

the change in state from liquid to gas

Front 30

runoff

Back 30

surface water travling from a high point to low

Front 31

groundwater

Back 31

water that is stored below the earths surface

Front 32

sublimation

Back 32

the change in state from solid to gas

Front 33

infiltration

Back 33

the entry of water from suface to ground water

Front 34

transpiration

Back 34

the evaoporation of water from a plants leaf

Front 35

cold front

Back 35

a type of front that brings narrow bands of violent storms

Front 36

front

Back 36

a boundry between warm and cold air masses

Front 37

air pressure

Back 37

the amount of force exerted into the atmosphere

Front 38

humidity

Back 38

the amount of water vapor in the air

Front 39

warm front

Back 39

a type of front that brings widespread rain

Front 40

air mass

Back 40

a large body of air that had the same properties as the earths surface over which it developes

Front 41

conduction

Back 41

tranfer of energy

Front 42

dew point

Back 42

the point at which water is able to condense from liquid to gas

Front 43

occulded front

Back 43

a type of front that produces strong winds and heavy precipitation

Front 44

raidiation

Back 44

the transfer of energy from the sun the heats up the earths surface and atmoshpere

Front 45

reletive humidity

Back 45

teh amount of water vapor in the air compared to the amount it can hold

Front 46

low pressure system

Back 46

counter clokwise winds and bad weather

Front 47

high pressure systerm

Back 47

clockwise winds and brings fair weather