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Matter
definitions for matter 3rd grade science
| Term | Definition |
|---|---|
| Matter | A physical substance that takes up space and has mass as a form of energy. |
| Chemical change | A chemical reaction that involves the rearranging of atoms; a substance combining with another substance to create a new substance. |
| Physical change | A change in which the form of matter is altered but one substance is not changed into another. |
| Volume | The amount of space that a substance or an object takes up. |
| Mass | The amount of matter that an object contains. |
| Water vapor | The gaseous state of water produced by evaporation at tempuratures below boiling point. |
| Atom | The basic unit of a chemical element; a source of nuclear energy. |
| Particle | A small fragment or quantity of matter. |
| Element | A substance that cannot be broken down into simpler substances by a chemical reaction. |
| Gas | A sample of matter that becomes the shape of the container it is in and has the same density no matter the size. |
| Physical property | A characteristic of matter that may be observed and measured without changing the chemical identity of a sample. |
| Chemical property | A characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction. |
| Molecules | A group of two or more atoms linked together by sharing electrons in a chemical bond. |
| Magnetic | A physical phenomenon produced by the motion of electric charge. |
| Mixture | The result of combing two or more substances. |
Created by:
molly.boatman
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