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All Middle School resources

Colorful Waves

Book Chapter

Colorful Waves

You're probably really upset that all you have so far is a simple little ray model of light. When do we get to the good stuff, you say? How about now?...

High School Middle School Physical Science

Focus, People, Focus

Book Chapter

Focus, People, Focus

It's time to take some of the things we know about light and put them to good use. In this chapter, the author discusses various optical instruments l...

High School Middle School Physical Science

Not-So-Cheap Sunglasses

Book Chapter

Not-So-Cheap Sunglasses

If you browse through the sunglasses at your local department store, you'll find that some of them are advertised as "polarized." What is it that make...

High School Middle School Physical Science

When Light Waves Collide

Book Chapter

When Light Waves Collide

Light doesn't always travel in straight lines. It can bend around corners, just like sound. When it does change direction like this, you end up with l...

High School Middle School Physical Science

All About Eyeballs

Book Chapter

All About Eyeballs

This chapter is, as the title indicates, all about eyeballs and how they work. We'll use just about everything we've learned so far, plus one or two n...

High School Middle School Physical Science

Fire the Photon Torpedoes, Mr. Sulu!

Book Chapter

Fire the Photon Torpedoes, Mr. Sulu!

Yeah, what about those photon torpedoes? Aren't photons supposed to be little light particles? Yes, they are, and they constitute the third model for ...

High School Middle School Physical Science

Stop Children, What's That Sound?

Book Chapter

Stop Children, What's That Sound?

Aging hippies might recognize the title of this chapter from an old Buffalo Springfield song. Others will just have to ignore it, and realize that thi...

High School Middle School Physical Science

Waving Strings

Book Chapter

Waving Strings

Unless you really haven't been paying attention to the world around you, you know that plucked strings produce sounds. Carlos Santana demonstrates th...

High School Middle School Physical Science

How Sound Gets Around

Book Chapter

How Sound Gets Around

Sound travels in waves, but those waves aren't exactly like waves on a string. One nice things is that sound waves have all the same relationships be...

High School Middle School Physical Science

Harmonic Convergence

Book Chapter

Harmonic Convergence

Harmonic convergence refers to a day back in 1987 where there was a particular planetary alignment. New Agers went crazy over the event, and if you w...

High School Middle School Physical Science

The Hills Are Alive...

Book Chapter

The Hills Are Alive...

Yep, you guessed it. This chapter is all about music. Yes, we've already talked about music and musical instruments, but we're going to get into thi...

High School Middle School Physical Science

Listening Devices

Book Chapter

Listening Devices

We've covered most of the basics of how sound is produced and transmitted, but we've left something out, and that's all the electronic devices we use ...

High School Middle School Physical Science

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