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Physical Sci Vocab

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Term
Definition
Matter   Anything that has mass and takes up space.  
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Energy Transfer   Changes in states/phases of matter due to an increase or decrease in temperature.  
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Compound/molecule   Two or more elements combine together in a specific ratio/pattern creating a whole, new and different substance.  
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Mixture   Two or more substances combine together keeping their original properties, they do NOT change into a new substance/compound.  
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Atom   Smallest part of an element, the building blocks of all matter.  
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Electron   Particle of atom with a negative charge, moves around the nucleus and has an attractive force that allows it to bond with other atoms creating everything in the universe.  
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Proton   Particle of an atom with a positive charge located inside the nucleus  
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Neutron   Particle of an atom with a neutral/no charge located inside the nucleus along with the proton.  
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Periodic Table   Large grid that identifies and classifies all of the elements by their chemical and physical properties.  
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Element   The simplest substances that cannot be broken down/they make up all matter in the universe.  
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Periods/rows   Rows that tell how many energy levels each elements has for the electrons to move around.  
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Groups or family/columns   Columns that tell how many valance electrons each elements has/the number of electrons that can move on its outer shell/energy level.  
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Valance electrons   The electrons that move on the outer shell/ energy level of an atom  
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chemical change/reaction   Elements bond together through the attractive force of electrons creating some type of reaction and change.  
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Tri-beam balance   an instrument that is used to measure mass  
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Created by: MariahCostelli1
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