PPT
Curated OER

What Wavelength Was That?

For Teachers 7th - 12th
A combination of informative text, photos, and graphics comprise this sharp show on electromagnetic radiation. Some slides mention hands-on activities for demonstrating concepts, so if you want to include them you will need to figure out...
PPT
Curated OER

Coasts and Reefs: Shallow Marine Processes

For Teachers 9th - Higher Ed
A more thorough presentation on coastal systems would be difficult to find! Detailed diagrams illuminate the offshore, shoreface, foreshore, and backshore zones of  beach. The sources and movement of sediments along the coastline...