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Gr. 4 Ch. 12 & 13

vocabulary words from both chapters

TermDefinition
atom smallest particle of matter that has the properties of that matter
chemical property a characteristic of matter that can be observed only when matter is changed into a new kind of matter
density how much matter is in a given volume
mass amount of matter in an object
matter anything that has mass and takes up space
metric system system of measurement based on the number 10
molecule a single particle of matter made up of two or more atoms joined together
physical property characteristic of matter that can be observed without changing matter into something new
states of matter three forms that matter usually takes: solid, liquid, and gas
volume the amount of space that matter takes up
weight measure of the pull of gravity on an object
chemical change change in matter that produces new kinds of matter with different properties
chemical reaction another term for a chemical change
dissolve to mix completely with another substance to form a solution
energy ability to cause change
heat flow of thermal energy from a warmer area to a cooler area
mixture matter made up of two or more substances that are combined physically
physical change change in the way matter looks without changing it into a new kind of matter
product newly formed matter in a chemical reaction
reactant matter that you start with in a chemical reaction
solution a mixture in which the particles of one kind of matter are mixed evenly with the particles of other kinds of matter
temperature measure of how hot or cold matter is
thermal energy total energy of the particles of matter
Created by: pjkk
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