Define the Question/Problem Propose Hypothesis: educated guess Carry out experiments & collect data Develop Theory: conclusion(s) based on factual data Increase the rate of a particular reaction Utilize a catalyst Experiment with various catalysts and conditions (i.e., temp pres vol) If any combination was successful in addressing the question then develop a theory based on that catalyst and condition.

<<< Physical Change Chemical Change >>>

Memorize the names and symbols for the following: H, He, Li, Na, K, Mg, Ca Mn, Fe, Ni, Cu, Zn, Au, Ag, Hg, W Al, Sn, Pb C, N, O, F, P, S, Cl, Br, I He, Ne, Ar

GasGas –has no definite shape or volume. –expands to fill whatever container it is put into. –is highly compressible. LiquidLiquid –has no definite shape but a definite volume. –is only slightly compressible. SolidSolid –has a definite shape and volume. –is essentially incompressible.

Drug Dosage and Body Mass Covered during “lab”