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Science Unit 1

TermDefinition
Matter anything that takes up space and has mass
Mass a measure of the amount of matter an object has
Volume a measure of how much space an object takes up
Physical Property a characteristic of matter that can be measured or observed
Magnetism the ability of a material to be attracted to a magnet, without needing to be a magnet itself
Conductivity how energy, such as heat, can move through a material
Reflectivity the way light reflects, or bounces, off an object
Solubility the ability of matter to dissolve in a liquid
Chemical Property a characteristic that can only be observed when there is a change in the type of matter
Mixture a physical combination of two or more substances - forms when two substances mix, but DO NOT combine chemically
Heterogeneous Mixture a mixture that has parts that ARE NOT uniformly mixed together
Colloid a heterogeneous mixture in which the small parts are so small that they do not settle out
Homogeneous Mixture mixtures that are uniform throughout
Solution a type of homogeneous mixture
Physical Change when matter stays the same before and after a change
Chemical Change/Reaction when matter is NOT the same before and after a change - the new matter has different properties than the original matter
Conservation of Mass matter is not created or destroyed during a physical or chemical change
Solid matter that has a definite shape and takes up a definite amount of space
Liquid matter that has a definite volume, but not a definite shape
Gas matter that has no definite shape or volume
Created by: Ms. Hopwood
 

 



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