How much water do you have to drink? - In this activity student develop formulas for calculating their water needs, learn about the effects of too little water, and calculate what they should be consuming. 4.OA.B, 5.OA.B, 6.NS.B, 6.RP.A, 8.F.A, HSF.BF, HSA.CED, HSM

How much pee is in this pool? - A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise. In this activity, students calculate volume of several pools, change that cubic foot volume to gallons of pool water, and try to approximate how much urine is in each pool. 4.MD.C, 5.MD, 6.G.A, 6.RP.A, 7.RP.A, 7.G.B