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Phy Science 3/2/15

variable what you are testing in an experiment. the only thing that CHANGES
physical properties a characteristic that can be observed, measured, or changed without changing the substance itself.
magnetism ability to be attracted to a magnet
mass amount of matter in an object. measured with a balance
physical state a form that matter takes when temperature changes, which affects how particles move around. (solid, liquid, gas)
density the amount of mass in a known volume of an object or substance
solubility ability to dissolve ex:salt
conductor allows energy to pass through easily ex:metals
insulator does not allow energy to pass through easily ex: rubber
mixture a combination of 2 or more substances that do not form a new substance and can be separated EASILY ex:trail mix
solution a mixture with one substance spread out evenly in another substance *can NOT be separated easily ex: lemonade
structure a body part that does a certain "job" for an organism ex: lungs, gills, beak
function the JOB that a body part does for an organism ex: breathe
gradually slowly
Created by: ejohns02