US Department of Education
Nces Kids: Creating an Area Graph
This is where you will find step by step directions explaining how to create an area graph. Complete each step and click on the next tab. Directions are simple and clear.
TeachEngineering
Teach Engineering: Spectroscopy
Students learn how using a spectrograph helps us understand the composition of light sources. Using simple materials and holographic diffraction gratings (available online at a variety of sites, including Edmund Scientifics and the...