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Matter Anything that has mass and takes up space
Mass Amount of matter in an object
Weight Measure of the gravitation force on an object
Volume Amount of space an object takes up
Density A measure of amount of mass in a given volume
Physical Property Substance that can be observed and measured without changing the identity of the object
Chemical Property Substance's ability to change into a new substance with different properties
Physical Change Change that affects one or more physical properties of a substance
Chemical Change Occurs when one or more substances change into entirely new substances
Law of conservation of mass Ordinary chemical and physical changes, mass is not created or destroyed but only transformed into different substances
Atom The smallest unit of an element that maintains the properties of an element
Element Made up of one or more of the same kind of atom chemically combined
Compound Made up of different kinds of atoms chemically combined.
Mixture Contains a variety of elements and compounds that are not chemically combined with each other
Pure substance Substance that has definite physical and chemical properties such as appearance, melting point, and reactivity
Heterogeneuous Mixture that does not have a uniform composition
Homogeneous Substances are evenly spread throughout
Solid Substance has a different volume and shape
Liquid Substance has a definite volume but not a definite shape
Gas Does not have a definite volume or shape
Freezing The change in state when a liquid becomes a solid
Melting The change in state when solid becomes a liquid
Evaporation As a liquid is warmed, its particles gain energy, Some particles gain enough energy that they escape from one surface of liquid and become a gas
Boiling Rapid change from a liquid to a gas, or vapor
Condensation The state of change from gas to liquid
Sublimation The change from a solid directly to a gas
Deposition The change from gas directly to a solid
Created by: 18dquintero0602