REUSABLE MATERIALS

• 6 sticks of clay
• 6 pH scales
• 12 funnels
• 12 1-liter soda bottles
• 12 measuring spoon sets
• 12 measuring cup sets
• 12 flat pans
• 12 small food cans
• 12 push pins
• 12 bendable straws
• 12 caps for soda bottles
• 12 2-liter soda bottles, cut in two
• 12 rubber bands
• 12 plastic bags
• 12 5-oz. plastic cups
• 12 thermometers
• 36 plastic spoons
• 48 plastic on-the-rocks glasses
• 48 bottles with lids
• 120 1-inch tiles

EXPENDABLE MATERIALS

• 3 sq. ft. aluminum foil
• 4 feet of pH test paper
• 12 sheets of newspaper (or other scrap)
• 12 2-foot pieces of string/yarn
• 12 Tbs. cooking oil
• 20 feet masking tape for labels
• 24 commercial sized coffee filters
• 24 feathers (1 bag)
• 36 ice cubes
• 96 dry lima beans
• baking soda
• vinegar
• salt
• food color (blue or red)
• poster paint