Discussion Topic:
Can broken windows make the economy grow? Why?
Post your favorite YouTube video on one of the topics in chapters 26 and 27.
Topics include
electromagnetic waves
the electromagnetic spectrum
transparent and opaque materials
seeing light – the eye
mixing colored light and pigment
why the sky is blue
In your post please include a link to the YouTube video and a short description of the video including:
What topics are covered in the video?
Is the video accurate?
Was it easy to follow?
What improvements could be made?

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