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States of Matter
These words are from the Quizlets 6.P.2.1 and 6.P.2.2
Term | Definition |
---|---|
solid | Atoms are packed tightly, vibrate in place. Has a definite shape, volume, and mass. |
liquid | Atoms touch, but can slide past each other. Definite mass and volume; no definite shape. |
gas | Atoms expand to fill container. Definite mass; no definite shape or volume. |
Thermal Energy | Heat |
Phase Change | Adding to or taking thermal energy from a state of matter. |
Temperature | most substances can exist as a solid, liquid or gas depending on this |
Thermal Expansion | Thermal expansion is like a balloon getting bigger when you heat it up, causing objects to expand when they are heated. |
matter | Anything that has mass and takes up space |
volume | The amount of space an pbject takes up |
mass | The amount of matter in an object |
element | A pure substance that is made of only one kind of atom. |
atom | The smallest part of an element. (contains protons, neutrons and electrons) |
118 | Number of elements on the current Periodic Table of the Elements |
Law of Conservation of Mass | Mass can neither be created nor destroyed |