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6.5D Vocabulary
Question | Answer |
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Matter | Anything that has mass and volume. |
Substance | Any form of matter that is uniform throughout, and has consistent properties. |
Element | A pure substance that is composed of the same atoms throughout. |
Compound | A pure substance made of atoms bound together. |
Property | Physical and chemical characteristics of matter used to describe or identify a substance. |
Physical Property | A characteristic that can be observed or measured without changing the substance: for example, color, melting point, and conductivity. |
Chemical Property | Characteristics that can only be observed when atoms of matter rearrange during a chemical change. |
Physical Change | A change to a substance without forming a new substance, such as changing the size or state of matter. |
States of Matter | Distinct forms of matter known in everyday experience: solid, liquid, and gas. |
Chemical Change | A change that alters the identity of a substance resulting in a new substance or substances with different properties. |
Temperature Change | Increase or decrease of heat energy may be evidence of a new substance formed during change. |
Production of a Precipitate | Evidence of a new substance formed from a chemical change , resulting in a solid forming out of a liquid. |
Production of Gas | Evidence of a new substance formed from chemical change. |
Color Change | Visible change of substance colouration is evidence of new substance formed from chemical change. |
Production of Heat or Light | Evidence of release of energy from a chemical change. |