Curated OER
Ancient River Valley Civilizations
Ziggurats, cuneiform writing, the Tower of Babel, hieroglyphics, pyramids, the Great Wall. Launch a unit on ancient cultures, with a presentation that introduces viewers to ancient Mesopotamia, Babylonia, Sumer, Egypt, Indus, and China....
Urbana School District
Magnetism
The compass was first used in 206 B.C., but we didn't discover magnetic poles until 1263 A.D. Presentation begins with the history of magnetism before continuing on to magnetic fields, magnetic forces, electromagnets, currents,...