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Lexi's chem cards 3

test practice cards

atomic number the number of protons in a atom
independant variable the variable that you can change in your experiment .it directly effects the dependant variable
dependant variable the variable who's value is controlled by the independant variable
controll variable the variable that is the same in both groups that are being tested
hypothosis a edgecated guess
research a search in some field of knolledge
observation recording facts from research and experiment
problem a difficult matter
experiment undertaken to discover or to demonstrate
experimental design the desighn if and informatin gathering exercices
Created by: alexisoct8