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States of Matter

These words are from the Quizlets 6.P.2.1 and 6.P.2.2

TermDefinition
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
Created by: Mbruffin
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