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Matter & Energy Ch 1
Vocabulary from Chapter 1: Introduction to Matter
Question | Answer |
---|---|
Matter | Anything that has mass and takes up space. |
Mass | A measure of how much matter an object contains. |
Weight | The downward pull of an object due to gravity. |
Volume | The amount of space that matter in an object occupies. |
Atom | The smallest basic unit of matter. |
Molecule | When two or more atoms bond together, or combine. |
Element | A substance that contains only a single type of atom. |
Compound | A substance that consists of two or more different types of atoms bonded together. |
Mixture | A combination of different substances that remain the same individual substances and can be separated by physical means. |
States of Matter | The different forms in which matter can exist: solid, liquid and gas. |
Solid | A substance that has a fixed volume and a fixed shape. |
Liquid | A substance that has a fixed volume but no fixed shape. |
Gas | A substance that has no fixed volume or fixed shape. |