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Science voc. words
my voc. words
Question | Answer |
---|---|
objects that take up space and have mass | matter |
a substance that is made from one type of atom | element |
basic building blocks of ordinary matter | atom |
any quantity that is measurable, whose value describes a physical system's state | physical properties |
process in which one or more substances,the reactants,are converted to different substances | chemical reactions |
changes affecting the form of a chemical substance | physical changes |