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Science Vocab

solid
solid- phase of matter that has a definite shape and volume
liquid- phase of matter that takes the shape of its container & has a definite volume
gas- phase of matter that has no definite shape or volume
plasma- state of matter that can occur when gas becomes electrically charged
atom- the basic building blocks of all matter
element- a pure substance that cannot be broken down by chemical or physical means
compound- a substance made of two or more elements chemically combined; represented by a chemical formula
mixture- two or more substances that are together in the same place but their atoms are not chemically bonded
pure substance- matter that consists of only one type of atom, molecule, or compound
physical property- a characteristic of a substance that can be observed without changing it into another substance
solubility- a measure of how well a substance can dissolve into another substance
luster- shine or lack of shine, dullness
malleable- property that allows metal to be made into sheets
texture- the feel of a surface or substance
conductivity- the ability of a substance to pass an electric current through it
physical change- does not create a new substance and is usually reversible
melting- the change in state from a solid to a liquid
freezing- the change in state from liquid to solid
vaporization- the change in state from a liquid to a gas
condensation- the change in state from a gas to a liquid
sublimation- the change in state from a solid to a gas
chemical property- a characteristic of a substance that describes its ability to change into another substance
combustibility/flammability- can be easily ignited and burned
pH- acidity or basicity of a substance
reactivity- the ease and speed with which a substance combines and reacts with other substances
chemical change- one or more new substances are formed; usually cannot be reversed
endothermic- requires an input of energy (cool)
exothermic- releases energy (warmth)
Created by: user-2025609
 

 



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