Curated OER
Those Wacky Greek and Roman Gods: A Quick Cheat-Sheet
Here's a handy two-page reference that briefly identifies major Greek and Roman mythological figures.
Institute for Geophysics
Understanding Maps of Earth
Here is your go-to student resource on primary geography concepts, including facts about the surface of the earth and its hemispheres, latitude and longitude, globes, types of maps, and identifying continents and oceans.