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Science 5
Chemical and physical changes
Term | Definition |
---|---|
Physical change | A change in the size, shape, form, or state of matter that does not change the matter's identity. |
Chemical change | A change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties. |
Temperature | The measure of the average kinetic energy of the particles in a material. |
Substance | Matter with a composition that is always the same. |
Identify | To establish or recognize the identity of. |
Demonstrate | To show clearly. |
Chemical equation | Is a symbolic representation of a chemical reaction. |
Analyze | Use graphs, charts, tables to show your data and any patterns, include units labels and titles. |
Product | Is the substance that is produced by a chemical reaction . |
Reactant | A chemical used in a chemical reaction, the starting materials. |
Chemical reaction | A process where two or more substances react to make new materials. |
Precipitate | A solid that forms out of solution; a common is that of the mixing of two clear solutions. |
Critique | A review of something. |