Sound and Light Waves
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Subject Area: Science | Grade Level: 8
Lesson Length: 1 hour
Keywords/Tags: physical science, waves, sound waves, light waves, wave characteristics, wave properties
Lesson Description: In this lesson, students will compare and contrast the properties and behaviors of sound and light waves. By the end of the lesson, students will be able to explain the basic types of waves, explain the behavior of waves, and describe properties of light and sound waves. Students will also be able to differentiate properties of waves and behaviors and how they relate to our daily lives.

  • Other S8P4. Obtain, evaluate, and communicate information to support the claim that electromagnetic (light) waves behave differently than mechanical (sound) waves.rna. Ask questions to develop explanations about the similarities and differences between electromagnetic and mechanical waves. (Clarification statement: Include transverse and longitudinal waves and wave parts such as crest, trough, compressions, and rarefactions.)rnb. Construct an explanation using data to illustrate the relationship between the electromagnetic spectrum and energy.rnc. Design a device to illustrate practical applications of the electromagnetic spectrum (e.g., communication, medical, military).rnd. Develop and use a model to compare and contrast how light and sound waves are reflected, refracted, absorbed, diffracted or transmitted through various materials. (Clarification statement: Include echo and how color is seen but do not cover interference and scattering.)rnf. Develop and use a model (e.g., simulations, graphs, illustrations) to predict and describe the relationships between wave properties (e.g., frequency, amplitude, and wavelength) and energy.
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Video : Light Waves vs. Sound Waves
Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.
Description: Compare and contrast light waves and sound waves based on the information provided in the video!
Resources : Characteristics of Light and Sound Waves
Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson. rnrnhttps://faculty.cord.edu/manning/physics215/studentpages/angieevanson.html
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Description: Website with basic information about the characteristics of light and sound waves.
Resources : Waves: Sound and Light Lecture Notes
Instructions: Please see additional external resources below. Visit the link below to learn more about sound and light waves and their properties. Write down any key terms that you think will enrich the class discussion. https://docs.google.com/presentation/d/17_iLlzD-d6VamdvQCWIPrMarXww2nh76JWxwmoqSDVU/edit#slide=id.i0
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Description: Google Slides presentation of characteristics of sound and light waves.
Assignment : Compare and Contrast Light and Sound Waves

Instructions: Click the link below to open the Google Slide and complete the Venn Diagram.

Light vs. Sound Venn Diagram

Quiz : Sound and Light Waves Assessment
Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.
Question #1
True or False: All waves transfer energy from one place to another.
Question #2

Which of the following is NOT a property of a wave?

Question #3

An echo is the result of a _____________ .

Question #4

____________________ is the maximum distance the medium (the material through which a wave travels) moves away from its rest position.  

Question #5

____________ waves require a medium through which to travel.

Question #6

The _______________ of a wave is the number of complete waves that pass a given point each second.

Question #7
True or False: A higher frequency causes a longer wavelength and greater energy.
Question #8

____________ separate white light into its different colors by bending the light at different angles depending on the frequencies of the light passing through.

Question #9
In your own words, describe how properties such as frequency, wave speed, and amplitude are applied in LIGHT and SOUND WAVES.Your response should include: an accurate description of frequency, wave speed, and amplitudeproperties and their effects on light AND sound wavesat least 4-5 complete sentencesproper grammar and mechanics
Description: Assessment to show understanding of sound/light waves and properties of waves.