Each group needs:

• 60 ml (¼ cup) flour
• 30 ml (1/8 cup) cornstarch
• 60 ml (¼ cup) sugar
• 30 ml (1/8 cup) vegetable oil
• 1 paper plate
• 4 small paper or plastic bowls or cups
• 1 clear plastic cup
• 1 cup clear diet (to avoid stickiness) soda
• 1 small plastic spoon
• 2 pieces of color-coated candy per group (Runts or Skittles work well)
• Recipe and Fraction Worksheet, one per person

For the entire class to share:

• marker, to write team names on plastic cups
• 1 cup clear diet soda in a plastic cup (for experiment control)
• timer