Light Wavelength and Color

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Objective

I can explain how the wavelength of light affects its perceived color.

Part 1 of 4

Warm-up video

Professor Dave Explains · 5:28Vetted channel

We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 4

Key concepts

3 concepts

  1. 1

    The mnemonic roygbiv can be used to remember the order of visible colors from lowest to highest frequency.

  2. 2

    The colors we see are the wavelengths of light that are reflected by an object, while the other wavelengths are absorbed.

  3. 3

    Refraction occurs when light passes from one medium to another and bends due to a change in velocity.

Part 3 of 4

Practice

10 questions

1

Which property of light is most directly related to its perceived color?

2

List the colors of the visible spectrum in order from lowest to highest frequency, using the mnemonic provided in the video.

Part 4 of 4

Exit ticket

Quick comprehension check

Explain how the wavelength of light relates to the color we perceive, referencing the mnemonic 'roygbiv'.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

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