Each group needs:

• triple balance beam
• 2 100-ml graduated cylinders
• marble
• Popsicle^® or wooden craft stick piece (break wooden sticks into 1-inch pieces)
• crayon piece (break crayons into 1-inch pieces)
• pasta noodle (such as dry, uncooked penne pasta)
• tap water, 30 ml
• (optional, but recommended) few drops of liquid food coloring (to color the water)
• corn syrup, 30 ml
• vegetable oil, 30 ml
• 4 paper cups, 5-ounce (~ 148 ml) size
• liquid laundry or dish detergent, ~1 cup
• Density Column Lab - Part 2 Worksheet, one per student

Note: Many of these materials are the same as those used in the associated Part 1 activity; re-use the marbles, crayons and pasta noodles, if still available.)