Biology Junction
Water Properties and More
Did you know many insects use cohesion or surface tension to walk on water? Using a presentation, scholars learn the more important properties of water. It extends into the concepts of solutions, suspensions, pH, and more.
ARKive
Darwin and Natural Selection
A presentation on Darwin's theory of evolution and natural selection could be a good addition to your biology class. It provides general information about how animals adapt to their surroundings, as well as how organisms create more...
Curated OER
Revolutions in Latin America (19c - Early 20c)
The history of the Latin American revolutions - and the philosophies behind them - is the focus of this comprehensive presentation. From the theories of the European Enlightenment, to the Revolutionary Wars of America and France, Latin...