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Physical Science 1
Matter
Question | Answer |
---|---|
matter | something that occupies space, has mass, and can exist ordinarily as a solid, liquid or gas |
density | a measure of the compactness of a substance. |
mass | a measure of the amount of matter contained in a physical body |
volume | the amount of space that matter occupies |
atom | the basic particle from which all elements are made |
molecules | a particle made of two or more atoms bonded together |
substance | a single kind of matter that is pure and has a specific set of properties |
compound | a pure substance made of two or more elements that are chemically combined |
mixture | two or more substances that are mixed together but not chemically combined |
element | a pure substance which cannot be broken down into other substances by chemical or physical means |
D= M /V | density= mass divided by volume |
density increases | as pressure increases and temperature decreases |
weight | a measure of the force of gravity on an object |
kilogram (kg) | unit used to measure matter |
1000 grams (g) | 1 kilogram (kg) |
triple-beam balance | tool used to measure matter |