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Science Vocab
| Term | Definition |
|---|---|
| Law of Conservation of Mass | mass can not be created or destroyed, only change form |
| Physical change | occurs when 1 or more physical properties of a substance change |
| Chemical change | when 2 or more substances interact to form a new substance |
| Chemical formula | describing the number of atoms that are in a molecule of a compound |
| Molecule | smallest part in substance |
| Element molecule | 2 of the same molecule that bonded |
| Compound molecule | 2 or more elements that make a molecule |
| Chemical equation | a writing arrangement of atoms during a chemical reaction |
| Subscript | the small number placed next to an element in a formula |
| Coefficient | the large number placed in front of an element in a formula |
| Reactants | compound or element during a chemical reaction that changes |
| Products | compound or element that result in the chemical reation |
| Force | push or pull |
| Speed | distance travel by an object in the amount of time given |
| Velocity | the objects speed and direction at a given instant |
| Balanced force | doesn't create motion |
| Unbalanced force | creates motion |
| Accelaration | change in an objects speed or direction over time |
| Newton | SI unit of force |
| Direction | the way an object is moving |
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