Curated OER
How Do We Know About People From The Past?
It's not enough to see or just read a primary source document; one has to analyze them fully to understand their historical implications. First learners are introduced to what primary and secondary sources are, then they read a bit of...
Mr. Roughton
The Travels of Marco Polo
Were the stories of Marco Polo's travels and interactions with the Mongols actually true? Using an excerpt from the book The Travels of Marco Polo, your young historians will answer guiding questions to discuss the accuracy and...
Curated OER
Exothermic vs. Endothermic
The PowerPoint opens with video footage of the decomposition of nitrogen triiodide and then explains it with diagrams. Graphs of exothermic and endothermic reactions are exhibited, as well as one for the effect of a catalyst on reaction...
Mr. E. Science
Electricity and Magnetism at Work
I don't get electricity jokes, watts so funny about them? The 13th in a series of presentations covers energy, motors, currents, generating electricity, calculating electrical energy cost, transformers, and batteries.
Curated OER
Terrestrial Ecosystem Response to Climate Change
An extensive investigation of the Earth's climate changes awaits your environmental science classes. This top-notch presentation begins by looking at the history of Earth's climate and then predicts the impact on each major terrestrial...