Objects that take up space and have mass., Matter, How heavy something is without gravity., Mass, The amount of space inside a 3-D object. How much an object holds., Volume, The smallest unit of matter. Every solid, liquid, and gas is made up of atoms., Atom, 2 or more different materials that can be easily separated. When these materials are combined they do not lose their identifying characteristics. (Ex. trail mix or salad.), Mixture, 2 or more different materials that cannot be separated once combined which creates a new substance. (Ex. sugar water), Solution, Substances dissolve or appear to disappear when they mix with water creating a see-through liquid., Dissolve, Water which collects as droplets on a cold surface when humid air is in contact with it., Condensation, The process by which a liquid turns into a gas., Evaporation, When a liquid turns into a solid when the temperature is lowered below its freezing point. Freezing point= 32 degrees Fahrenheit, Freezing, When a substance changes from a solid to a liquid, typically by the addition of heat., Melting

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