Investigation: Is Dilution the Solution?

This Investigation: Is Dilution the Solution? worksheet also includes:

Systematically diluting a full-strength sample of food coloring is meant to help earth scientists understand concentration in parts per million. While they will enjoy the lab exercise, it might be a challenge to help them relate it to the measurement of air quality.

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CCSS: Adaptable
Additional Tags


  • Reinforces the lab skills of using a pipette or eyedropper for transferring liquids
  • Provides a visual of how effective dilution can be
  • A strong support for meeting CCSS.ELA.Literacy.RST.6-8.3

  • Pupils may need extra help in determining how diluting food coloring relates to testing air quality as the lab intends to model
  • Text information is not legible on the diagram of the setup
Common Core