Test Density
What You'll Need
The Materials
  • a pitcher

  • a long spoon

  • 3 drinking glasses (all the same size)

  • warm water

  • table salt

  • a spoon

  • blue and red food coloring

  • 2 identical soda bottles with a regular neck (not wide)

  • an unsharpened pencil

  • a funnel (that fits inside the top of the soda bottle)

  • a ruler

 		 What You'll Need