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Activity

Flame Test: Red, Green, Blue, Violet?

Curated and Reviewed by Lesson Planet
This Flame Test: Red, Green, Blue, Violet? activity also includes:

Let the true colors shine through. Pupils conduct a flame test to identify an unknown element. Class members calculate and prepare specific molarity solutions of three chemicals. Using their observations of the colors emitted, they compare them to a mystery material to determine the metal.

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CCSS: Designed NGSS: Designed
Concepts
chemical elements, flame tests, frequency, molarity, molar solubility, molar mass, electromagnetic radiation, solutions, wavelength, radiant energy, technology resources
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Instructional Ideas
  • Review the calculations needed to create the given molarity of a solution
Classroom Considerations
  • Class members should be knowledgeable about the electromagnetic spectrum
  • Prepare the unknown solution and the wooden splints before the class
  • The second part of a six-part unit
Pros
  • The handout provides the pupils with the information they need to conduct the experiment
  • The resource shows the calculations necessary to prepare the solutions
Cons
  • None
Common Core
HSA-REI.B.3