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Science Review 2011

Science Review

elements pure substance, made up of only one type of atom: oxyegn
compound made of two or more types of atoms chemically combined.
mixture two or more substances in the same space. homogeneus-same throughout heterogenous- diffrent throughout
filteration seperate mixtures based upon the size of the particle: strainer
evaporation seperates solute from the solvent in a solution
mangetism magnets can remove magetic materials (iron) from mitures
settling dense materials that sink to the bottom of a mixtre
stirring increase rate of solubilty
heating hotter molecules move faster
decreasing solute less solute will dissolve more quickly
crushing crushing creates more surface area
unsaturated below the line
saturated on the line
supersaturated above the line
independent change on purpose
dependent data you collect
controlled variable kept th same
Created by: natalie.france