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Matter

Structure and Property of Matter

TermDefinition
Substance Any form of matter that is uniform throughout and has consistent properties.
Crystal Solid material whose atoms, molecules, or ions are arranged in an ordered pattern.
Molecule Two or more atoms held strongly together by covalent bonds.
Atom The building blocks of all matter; the smallest unit that retains the chemical properties of an element.
Solid A state of matter with a definite volume and shape.
Chemical Reaction The process by which one or more substances change to produce one or more different substances.
Matter Has mass and takes up space and occurs as elements, compounds, and mixtures.
Solubility Measurement of the ability of a solid to dissolve in a liquid.
Chemical Properties Characteristics that can only be observed or measured when atoms of matter rearrange during a chemical change.
Synthetic Materials Materials made by humans.
Density The amount of matter in a given space or volume; it is a relationship between mass and volume. Less dense matter will form layers above dense matter.
Pure Substance A single substance, either an element or a compound, with definite composition and properties.
Natural Resources Resources that exist in the environment without human intervention.
Bulk Quantities Large Quantities
Physical Properties Characteristics that can be observed or measured without changing the substance, such as color, melting point, or conductivity.
Liquid A state of matter with a definite volume but no definite shape.
Vibrate To move rhythmically and steadily; oscillate.
Gas A form of matter with indefinite shape and volume.
Atom The smallest particle of an element made of electrons, protons, and neutrons.
Collide To strike or hit something with great force.
Inert Used to describe a substance that is not chemically reactive.
Thermal Energy It is the total kinetic (motion) energy of tiny particles that make up matter. The faster the particles move, the warmer the matter becomes.
Created by: MrsSchiemann