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Science Definitions
Definitions about matter
15
Science
6th Grade
02/21/2013

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Term
Density
Definition
the measurement of how much mass fits in a certain volume
Term
Neutron
Definition
a particle in an aton's nucleus with no electrical charge
Term
Atom
Definition
the smallest particle of an element that still has the same chemical properties of the element
Term
Molecule
Definition
the smallest particle in a compound that has all the properties of the compound
Term
Proton
Definition
a particle in an atom's nucleus with a positive electrical charge
Term
Pressure
Definition
the force, or push of a gas on a surface
Term
Volume
Definition
the amount of space that matter takes up
Term
Solid
Definition
matter that has a definite shape and takes up a definite amount of space
Term
Liquid
Definition
matter that does not have a definite shape but takes up a definite amount of shape
Term
Electron
Definition
a particle in an atom with a negative electrical charge
Term

Periodic Table

 

Definition
the chart that shows the elements in order from the lowest to the highest atomic numbers
Term
Temperature
Definition
a measurement of how hot or cold something is
Term
Mixture
Definition
two or more substances that are blended together but do not make a new substance
Term

Gas

 

Definition
matter that has no definite shape and does not take up a definite amount of space
Term
Solution
Definition
a mixture of one substance dissolved in another substance
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