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Stack #4677243

QuestionAnswer
altitude how high something is
atmosphere the layer of air around the earth
atom smallest part of an element
barometer gauge for measuring atmospheric pressure
carbon dioxide CO2
element a substance made up of all the same kinds of atoms
form to move something into a shape
gas air, less dense than liquid or solid
hydrogen the lightest element
layer a flat thin covering
matter things, stuff, what everthing is made of
molecule a bond of two or more atoms
nitrogen an element that is usually a gas, but heavier than hydrogen
oxygen the gas we need to breathe
particle a very small part of something
sea level 0 altitude
solid matter that holds its shape and volume
space the area where all the matter can exists
state solid, liquid, and gas are the three ______ of matter
steam gas that water turns into when you boil it
vacuum an area with no air/no matter
vapor a gas, especially one that comes from a solid or liquid
volume the amount of area that some matter occupies
be composed of to be made of
consist of to be made of
convert to change from one thing into another
evaporate to change from liquid to a gas (usually slowly, at normal temperatures)
exert to put force on something
exhale to breathe out
exist to be
expand to get bigger
inhale to breathe in
melt to change from solid to liquid (usually due to heat)
occupy to take up a space
press push (especially a button)
surround to encircle, to be in position around someone or something
atmospheric related to the air surrounding the earth
tiny very small
Created by: user-2038328
 

 



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