Video: Rainbow Straw & Floating Water

We’ve got another science-based video for you to watch on demand! Mrs. Charles shows you two colorful water density experiments to try at home. On a first-come, first-serve basis in our Children’s Area, we have some of the supplies needed to complete the experiments at home, but all of the supplies needed are easily accessible or you may already have them in your house.

Follow along with this printable instruction sheet (pdf format)

Rainbow Straw supplies you will need:

  • 4 glass or plastic cups  warm water
  • 4 colors of food coloring
  • salt
  • teaspoon
  • clear straw
  • large baking pan or container to prevent spills

Floating Water supplies you will need:

  • 2 identical small glass jars
  • warm water
  • yellow and blue food coloring
  • salt
  • index card or cardstock that will fit over the rim of your glass jars
  • large baking pan or container to prevent spills