How To Make a Battery From a Potato
Following on from Edison's first lightblub moment back in 1879, the OU's Stephen Serjeant experiments with an alternative power source - the humble potato. Video experiment explains the process and why you need more than one potato. Grades 5-12. Includes closed captioning. Â 2:31 min.
Vinegar Battery
Using only vinegar and a few simple materials it is possible to construct a working battery. This video explains how to construct, and use, a battery like this to power a calculator. A good science project as part of an introductory electricity course. This project can be used as a science fair project.
Political Correctness
This lesson deals with political correctness. There is a definition of PR and there is useful vocabulary presented. There is reference to attitude and how the things we say influence others. There are clear examples about gender, physically challenged, ethnic groups, etc.
What does Influence Mean? Who has Influenced you?
This lesson deals with the meaning and the power of influence. How does it affect us? There is a clear definition of the word "Influence" and there are many words listed. The new vocabulary is presented in context and you can read the examples on the screen.
"A Brave and Startling Truth" Poem by Maya Angelou
This is a visually powerful video mashup of Maya Angelou's poem "A Brave and Startling Truth." As the poet reads her poem, we watch a series of images of horrific historical nightmares and terrors as well as natural and artistic beauty and social/political/religious people and customs.  (6:03)
Windmill
Instructions for constructing this windmill can be found at, http://hilaroad.com/projects . This video explains how to calculate the power output of a windmill.
Lightning: Nature Strikes Back - 2/7
It is five times hotter than the sun and turns sand to glass in an instant. It can shoot 80 kilometres up above storm clouds. And it may even have provided the original spark that created life itself. This pacy, stylish documentary reveals the full power of lightning, why it is so dangerous, and what scientists are doing to protect us.
End of Feudalism and Beginning of Commerce
Europe experienced radical economic and social changes between the 11th and 14th centuries. The medieval world was based on feudalism, a highly regulated and hierarchical form of society in which everyone had their place and responsibilities. The manorial system, in which lords owned the land worked by their vassals, or serfs, started to wane in the late Middle Ages with the development of nation-states. Medieval cities, dominated by the guilds that brought economic stability, became the centers
Solar Blast
Powerful blasts from the sun have the power to fry satellites, crash ATM's, and even strand airplanes in the sky. Learn more about the phenomenon known as solar blasts. Run time 02:40
Brazil Part 8: Feijoada, Brazil's National Dish
For recipes, visit www.ciaprochef.com/WCA
Any discussion of Brazil's iconic dishes is incomplete without an in-depth look at the country's national dish- feijoada completa. Feijoada is more than just a bean stew... it is a cultural rite of passage. Opting for a taste of carioca style feijoada, we travel to Ipanema to pay a visit to a true Rio classic - Chef Gilberto Araújo's Casa da Feijoada. Many legends mistakenly attribute feijoada to the slave kitchen, but the Portuguese consumed feijoada
The Inca Codes, Rise and Fall of an Empire, Pt 1/4
By 1532 the Incan civiliation was at its height and was the largest power in the Americas. This documentary is suitable for high school students.
The Inca Codes, Rise and Fall of an Empire. Pt 2/4
By 1532 the Incan civilization was at its height and was the largest power in the Americas. This documentary is suitable for high school students.
The Inca Codes, Rise and Fall of an Empire. Pt 3/4
By 1532 the Incan civiliation was at its height and was the largest power in the Americas. This documentary is suitable for high school students.
The Inca Codes, Rise and Fall of an Empire. Pt 4/4
By 1532 the Incan civiliation was at its height and was the largest power in the Americas. This documentary is suitable for high school students.
Engineering an Empire - Egypt - Part 10 of 10
Last part of the documentary that profiles the engineering feats of the Egyptians 5000 years ago. This last part gives details of the Pharaoh's private life and also of his power at war.
Hernan Cortes - Documentary drama Part 2 of 6
This is the second part of the BBC docudrama about Hernan Cortes, part of Heroes and Villains. This part shows when Cortes arrived at the Aztec capital and what he did. There is a description of Tenochtitlan and there are scenes showing the first contact between the inhabitants and the Spaniards. There is a description of Montezuma's power and of his Empire.
The Fall of France - Documentary part 3 of 12
This third part of the documentary refers to Hitler's policy of rearmament and to the policy of appeasement followed by the allied countries. Chamberlain's resignation is shown and Winston Churchill's arising into power.
The Power of the Judicial Review in the American Government System
The Power of the Judicial Review - Based on checks and balances, watch the power of courts to review decisions of another department or level of government. Good history of how Judicial Review started.
The Policy-Making Cycle
This video is accompanied by text. "Political socialization is the process by which people learn and form opinions about government and politics. This process typically begins at home, where children overhear their parents talking about political issues, concerns, and politicians. Most people can probably recall a time when they heard their parents or other adults praising or ranting about a politician. The things that are said, both good and bad, influence how young minds perceive government an
Elizabeth I - Documentary Part 10
After the conspiracy and death of her husband, Mary queen of Scots was involved in battle against Elizabeth. She was taken prisoner to England. She abdicated to her one-year-old son, James, who she never saw again. Elizabeth had to face more problems with Catholic groups. Mary escaped from her island prison. There was battle and she is defeated again. Mary was imprisoned again. Catholics in the north rebelled. Mary attempted once again, this time, she plotted with Lord Northfolk against Elizabet
