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Matter Vocab Lesson
vocabulary words about properties of matter.
| Question | Answer |
|---|---|
| material substance that occupies space,, has mass, and is composed predominantly of atoms consisting of protons, neutrons, and electrons, that constitutes the observable universe, and that is inter convertible with energy. | matter |
| any of the fundamental substances that consist of atoms of only one kind and that singly or in combination constitute all matter | element |
| the smallest part of an element that can exist either alone or in combination. | atom |
| any property used to characterize matter and energy and their inter reactions. | physical properties |
| a process in which atoms of the same or different elements rearrange themselves to form a new substance. While they do so, they either absorb heat or give it off. | chemical reactions |
| a usually reversible change in the physical properties of a substance, as size or shape. | physical changes |
| a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition | chemical changes |
| the amount of space, measured in cubic units, that an object or substance occupies | volume |
| water displacement |
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