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Science Vocabulary

Science Vocabulary & Definitions for Science Exam

TermDefinition
Mass A measure of the amount of matter in an object.
Weight A measure of how gravity pulls on an object.
Volume A measure of how much space an object takes up.
Matter Anything that has mass and takes up space.
Surface Tension The skin that forms on the surface of water.
States of Matter Liquid, Gas, and Solid.
Density The amount of mass for each cm 3 (or mL) of a substance.
Buoyancy The resistance to sinking.
Element A material that cannot be broken down into anything simpler by chemical reactions.
Metal An element that shares common properties such as shiny luster, conductibility and flexibility.
Atom The smallest unit of an element that retains the properties of that element.
Nucleus The center of an atom.
Proton A particle with one unit of positive electric charge.
Neutron A particle with no electric charge-neutral.
Electron A smaller particle with one unit of negative electric charge each.
Chemically Reactive The tendency of a substance to undergo chemical changes in a system.
Created by: mwhitney
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