Solubility Activities

Instructor: Josh Corbat

Josh has taught Earth Science and Physical Science at the High School level and holds a Master of Education degree from UNC-Chapel Hill.

Looking for more engaging ways to learn about solubility with your students? This lesson will give you several ideas for activities that are designed to be engaging and meaningful for learning.

Solubility: More than Just Kool-Aid

There seems to be one main go-to demo that teachers use when introducing the concept of solubility to students: Kool-Aid! When students use a drink mix (like Kool-Aid) to make a sugary drink, they dissolve two substances (the drink mix and sugar) into a uniform solution.

This is a great way to get students thinking about what happens when a substance is soluble, but it is definitely not the only practical example for solubility that students encounter in their daily lives. The activities below explore the concept of solubility and engage students in deeper thinking. The materials needed for each activity are listed before each description.

The Gold Standard: Kool-Aid

  • Kool-Aid (or similar drink mix)
  • Sugar
  • Access to drinking water
  • Containers for mixing

Ok, let's face it. There is absolutely nothing wrong with having students mix up a quick batch of Kool-Aid (or other drink that comes from a mix) to introduce the concept of solubility. This is a great, hands-on way to have students see the immediate effects of making a solution from soluble materials. Just be sure to have a conversation about healthy drink choices afterward!

Predict Solubility Activity

  • A variety of common white powders/crystals (e.g. sugar, flour, cornstarch, several varieties of salt, baking soda)
  • Paper plates
  • Stirring rods
  • Water

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