Reflection: Checks for Understanding What is Visible Light? - Section 2: Informal Assessment


I didn't do a great job presenting exactly what "light" is today, but I do know my students are increasing their content knowledge.  As you can hear in this reflection, What I learned Today... students are getting better about writing what they learned from the lesson. While I was hoping that students would write more about light being only a tiny part of the entire electromagnetic spectrum, students found lots of other things to write about.  While I wish they had written more about visible light, I also know there are some things that students will remember more than others.  For example, many students were amazed that by the time we see the sun dip below the horizon, that it happened about eight minutes prior to when we see it. They are amazed that it takes that long for the lightwaves to travel here, even though light waves travel very fast. Other students were very curious about Gamma rays being harmful and having very high energy. 


  Checks for Understanding: What I learned Today...
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What is Visible Light?

Unit 3: Waves
Lesson 3 of 11

Objective: SWBAT explain that light can be considered an electromagnetic wave.

Big Idea: In this lesson, students gain more knowledge about the electromagnetic spectrum. Students also learn that visible light makes up only a portion of this wide spectrum and that engineers use electromagnetic waves for many different applications.

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16 teachers like this lesson
Science, light wave, visible light, Waves, sound waves, refraction (Light), direct instruction, engineering, light spectrum
  35 minutes
visible light
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