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April and May Science Vocabulary Words
Basic physical science and chemistry terms for 7th grade science/
Terms in this set (13)
A characteristic of a pure substance that can be observed without changing it into another substance
Mass per unit volume
the amount of matter in an object
The amount of space an object takes up
A characteristic of a pure substance that describes its ability to change into different substances
A material's ability to burn in the presence of oxygen
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
The ease and speed with which an element combines, or reacts, with other elements and compounds.
A change in a substance that does not involve a change in the identity of the substance. For example, ripping a piece of paper is a physical change.
A change in matter that produces one or more new substances
Law of Conservation of Mass
Matter is not created nor destroyed in any chemical or physical change
A starting material in a chemical reaction
The elements or compounds produced by a chemical reaction.
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