Each group will need:

• 1 beaker
• 1 graduated cylinder
• 25 mL of water and salt solution
• 1 stir stick
• Exploring Density Through Mixtures and Solutions Worksheet (1 per student)

For the entire class to share:

• access to a short online Google Earth video
• paper clips (all groups should use paper clips of the same size and same material)
• measuring cups
• measuring spoons
• 1 lb sugar
• 26 oz salt
• 48 oz vegetable oil
• 16 oz corn syrup
• 14 oz baby oil
• 16 oz liquid starch
• 17 oz olive oil
• 16 oz vinegar