Demo-Density with Pop Materials: 2L pop bottle, balloon, straw clay, beaker, various size lids, pennies, 100g and 500g masses water, nail, 2 gal. milk jug, tape water, glass, pipet, 2L pop bottle with lid paper towels, triple beam balance, 250mL and 600mL beaker, salt, film canisters 1L pop bottle, baby oil, food coloring clay, tank with water, pennies 2 cans of regular pop, 2 cans of diet pop, tank of water Assessment: Classroom discussion Standard test Lab outcomes Duration: 440 Minutes