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Definition
| A charecteristic of a substance that can be observed without changing the identity of the substance. |
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| A change in a substance that does not change the substance into a diffrent one. |
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| A characteristic of a substance that describes how it can from a new substance. |
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| A change of one substance into another substance. |
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| The diffrent forms in wich matter can exist. |
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Definition
| Matter that has a definite shape and a definite volume. The molecules are in fixed positions and are close together. |
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Definition
| Matter that has a definite volume but does not have a definite shape. The molecules in a liquid are close but do not bond together. |
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Definition
| Matter with no definite volume and no definite shape. The molecules in a gas are very far appart, and the amount of space between them can change easily. |
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Definition
| A process by which a solid becomes a liquid. |
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Definition
| The lowest temprature at which a substance begins to melt. |
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Definition
| The process by which a liquid becomes a solid. |
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Definition
| The temprature at which a specific liquid becomes a solid. |
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Definition
| A process by which a liquid becomes a gas. |
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Definition
| A solid that changes directly into a gas. |
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Definition
| A process by which a substance changes from a liquid to a gas. The liquid is heated to a temprature at wich bubbles of vapor form within the liquid. |
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Definition
| The process by which a gas becomes a liquid. |
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Definition
| An atom of one element that has a diffrent number of nutrons that another atom of the same element. |
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Term
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Definition
| An atom or group of atoms that has a positive or negative electric charge. |
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