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Matter Vocab.

TermDefinition
Element a pure substance where all the atoms are the same (on Periodic Table)
Subatomic Particle particles that are smaller than an atom and make up an atom
Proton subatomic particle with a positive charge
Neutron subatomic particle with a neutral charge
Electron subatomic particle with a negative charge
Matter anything that has mass and volume
Atom the smallest unit of matter
Atomic Number the number of protons in the nucleus of an atom
Atomic Mass the number of protons and neutrons in the nucleus of an atom
Mixture two or more pieces of matter that can be mixed together and seperated
Solution two or more pieces of matter that can be mixed together, but are not easily separated
Compound made up of two or more kinds of atoms
Physical Change no new substance created
Chemical Change a new substance is created
Water Displacement Method the method used to measure the volume of an irregularly shaped object (watch how much the water rises)
Mass the amount of matter in an object
Volume the amount of space an object takes up
Density Mass/Volume, how much matter and object contains in a given amount of space
Metric System based on the number 10, and this is the system that is used by Scientists all over the world
Solids definite shape and volume
Liquids no definite shape, but definite volume
Gases no definite shape or volume
Boiling a liquid turns into a gas
Melting a solid turns into a liquid
Freezing a liquid turns into a solid
Created by: 1022473
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