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Grade 8 8.5(E)
investigate how evidence of chemical reactions indicate that new substances...
| Term | Definition |
|---|---|
| Chemical reactions | the process in which atoms are rearranged and chemical bonds are broken and formed to produce a chemical change of a substance |
| Property | characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed |
| Substances | a pure form of matter |
| Mixture | contains a combination of different atoms or molecules and is therefore said to be 'impure' |
| React | to undergo or cause to undergo a chemical reaction |
| Solid | One of the three basic forms of matter, composed of molecules that have little or no ability to exchange places. Unlike gases and liquids, a solid has a fixed shape, and unlike gases, a solid also has a fixed volume. |
| Liquid | One of the three basic forms of matter, composed of molecules that can move short distances. Unlike a solid, a liquid has no fixed shape, but instead has a characteristic readiness to flow and therefore takes on the shape of any container. |
| Dissolve | to go or cause to go into solution |
Created by:
sstall
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