Here's a great, engaging lesson on air pressure that landed the author her middle school teaching position!

30+ Activities for States of Matter Science Experiments.

Color mixing with light refraction. Simple experiment to learn about mixing colors AND light refraction.

Factoring Polynomials Puzzle from Just Mathematics on TeachersNotebook.com (2 pages)

What is the goal of teaching classical high school science? Is it to teach the principles of studying the disciplines, teach a student how to conduct research in a lab and write a lab report, or to join in the great conversation of scientific discovery?

Algebra is all about graphing relationships, and the curve is one of the most basic shapes used. Here’s a look at eight of the most frequently used graphs.

Brass spherical Helmholtz resonator by Max Kohl

EQ Chart

The Frequency Spectrum

Musical Scale, wavelengths, fundamental frequencies