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Unit 1 Matter
Term | Definition |
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Matter | Anything that has mass and takes up space. |
Mass | A measure of the amount of matter in an object. |
Weight | A measure of the gravitational force exerted on an object; it's value can change with the location of the object in the universe. |
Volume | The amount of space that an object takes up, or occupies. |
Density | The ratio of the mass of a substance to the volume of the substance. |
Physical Property | A characteristic of a substance that does not involve a chemical change, such as density,color, or hardness. |
Chemical Property | A property of matter that describes a substances ability to participate in chemical reactions. |
Physical Change | A change of matter from one form to another without change in chemical properties. |
Chemical Change | A change that occurs when one or more substances change into entirely new substances with different properties. |
Law of Conservation of Mass | A law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. |