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Unit 2 Vocab
Matter
Term | Definition |
---|---|
Matter | Anything that has mass and takes up space. |
Temperature | The measure of the energy of motion in the particles of matter, which we feel as how hot or cold. |
Liquid | The state of matter in which a substance has a definite volume but no definite shape. |
Volume | The amount of space something takes up. |
Solid | The state of matter in which a substance has a definite shape and a definite volume. |
Gas | The state of matter in which a substance does not have a definite shape or volume. |
Physical change | A change in which the form or shape of a substance changes but the substance still has the same chemical change. |
Reaction | The process in which new substances are formed during a chemical change. |
Mixture | A combination of two or more different substances in which the substances keep their identities. |
Solution | A mixture that has the same composition throughout because all the parts are mixed evenly. |
Chemical change | A change in one or more substances, caused by a reaction that forms a new and different substance. |