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Product Description

This is a student-centered, active learning lesson without lecture or notetaking!

C.6.A: The student is expected to understand the experimental design and conclusions used in the development of modern atomic theory, including …. Bohr’s nuclear atom.

C.6.B: Understand the … the mathematical relationships between energy, frequency, and wavelength.

C.6.C: Calculate the…energy of light using Planck’s constant and the speed of light.

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This guided inquiry lesson enables students to construct their own understanding of the Bohr model of the atom, the relationship between light and atomic structure, and the mathematical relationships between frequency, wavelength, and energy. Students are able to actively learn the material without lecture or note taking.

• Students observe the atomic emission spectra of several atoms and identify the elements in a mixture based on their atomic emission spectra.

• Students physically act out the electron of a hydrogen atom jumping to different energy levels and emitting different colors of light when it falls to lower energy levels. Students relate the results of this activity to hydrogen’s atomic emission spectrum.

• Students compare six cards which each illustrate the energy, wavelength, frequency, and speed of light of different colors of light.

• Students determine how, or if, the energy, wavelength, frequency, and speed of light is different for different colors of light.

• Students learn how to calculate wavelength, frequency, and energy.

• Students practice and reinforce their understanding of light calculations by playing a board game called “Excite!”.

Students are provided with student study sheets summarizing all of the important concepts and vocabulary in this lesson.

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• Remembering: Identify and recognize the symbols and units for frequency, wavelength, and energy.

• Understanding: Explain the following terms: energy level, atomic emission spectrum, wavelength, frequency, speed of light, energy, wave, photon, Planck’s constant

• Applying: Relate the pattern of an element’s atomic emission spectrum to the structure of the atom.

• Analyzing: Compare the relative size of the wavelength, frequency, and energy of different colors of light.

Calculate the frequency, wavelength, and energy of different colors of light.

• Evaluating: Discuss the relationship between the energy of a photon and the movement of an electron between energy levels.

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• Cover page (1 page)

• Guided inquiry lesson (12 pages)

• Handout (1 page)

• Colors of Light card set (3 pages)

• Game cards (20 pages)

• Answers to game cards (1 page)

• Game board (1 page)

• Student study sheets (2 pages)

• Teacher notes (3 pages)

• Guided inquiry lesson with suggested answers (12 pages)

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• Please go to your

• Look for the

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Kendo's Chemistry Store

Total Pages

47 pages

Answer Key

Included

Teaching Duration

1 hour

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