Using Color to See How Liquids Combine

Blue-tinted water is added to unknown liquids that have been tinted yellow to find out how they interact. This is a memorable activity that is part of an investigation on the properties of liquids, which is part of a unit on the properties of matter. 

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  • Plenty of teacher support in the form of thorough background information, a lesson plan, answer keys, and a simple grading rubric
  • A testing board, which can be laminated or sealed into a plastic bag, is provided along with the corresponding data table

  • None