Curated OER
Sand, Sand, Everywhere Sand
Students study the physical characteristics of four types of desert regions. In this desert regions lesson, students watch a video about deserts and discuss the deserts. Students compare the deserts and research the ways humans have...
ClassFlow
Class Flow: Reference Sources
[Free Registration/Login Required] This flipchart reviews different reference sources including, encyclopedias, dictionaries, thesauruses, almanacs, atlases, and periodicals.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Standard Time Belts, 1903
A map from 1903 of the United States showing the time zones as they were then established. "The heavy dotted line shows the arbitrary divisions of time in the United States. The plus and minus marks on either side of the meridian lines...