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5-Changes
Changes
| Term | Definition |
|---|---|
| Chemical Property | a property that can be observed only when the matter changes as a result of a chemical reaction |
| Physical Property | properties that do not change the chemical composition of an object, including mass, weight, hardness, temperature, size, magnetism, physical state (solid, liquid, gas), relative density, solubility, and ability to insulate or conduct heat or electricity |
| Chemical Change | a change that alters the identity of a substance, resulting in a new substance or substances with different properties |
| Physical Change | changing materials into different shapes or smaller pieces, heating and cooling, and melting and freezing - no new matter is created |
| Production of Precipitate | creation of a solid in a liquid or inside another solid during a chemical reaction; when the reaction occurs in a liquid, the solid formed is called the precipitate; |
| Production of Gas | sign that a new substance is being formed from a chemical change; usually seen as bubbles |
| Production of Heat or Light | evidence of release of energy during a chemical change |
| Temperature Change | increase or decrease of heat energy in a substance; may be evidence of a new substance being formed during a chemical change |
| Chemical Process | a property or characteristic of a substance that is observed or measured during a reaction in which the chemical composition or identity of the substance is changed |
| Color Change | changing color in a chemical reaction - evidence of a chemical change |
Created by:
jackie_mulkey
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