What Is an Electrical Inverter?
An electrical inverter is a device that can create an alternating
current from a direct current, allowing the current to go backwards and forwards instead of in only one direction. Find out how an electrical inverter works from a science teacher in this
video.
Graphic Illustration of Star Size in Comparison to Other Planets
This is an animation illustrating the size of stars in comparison with Earth and the other planets. This clip shows the vast sizes in an extremely graphical way. (02:34).
Human Skin
Animation showing the main structures of the skin. Also covers the basic functions of the skin. Grades 7-12. 1:08 min.
Why Do Mosquito Bites Itch
 Why are mosquito bites so itchy? Did you know that only the female mosquito bites you? Learn more about the mosquito from Dr. Charlotte Grayson in this brief video clip from Stump the Doc. Run time 01:28.
Human Physiology: How Does Food Get Broken Down in the Stomach?
This video describes how food is broken down in the mouth and esophagus before reaching the stomach, at which point proteins are broken down in pepsin. (1:31)
Stomach Digestion
This is a two-minute video that explains how food is digested in the stomach.
Calcium, Myosin, Muscle Contraction
This is a brief one-minute video about calcium and the myosin crossbridge.
Thomas Edison: A Life of Invention
"Genius is one percent inspiration and ninety-nine percent perspiration" -- Thomas Edison
The life of Thomas Edison is a true "rags to riches" story. Through hard work and determination, he helped in creating the modern world in which we live today. Considered to be the greatest inventor of his or any time, Edison's wonderful inventions were a driving force of the Industrial Revolution. From the stock ticker to the phonograph; from the light bulb to motion pictures, his inventions g
Easy Ways to Learn Fractions
In math, fractions can be thought of as proportions of a shape.
In this clip discover easy ways to learn fraction from a mathematics
teacher. The math teacher shows examples on a whiteboard of shapes representing the fractions.
Cold War: Hungarian Revolution - part 1/5
1953 - 1961 Thaw is conceivable with Stalins death. Khrushchev outmaneuvers Malenkov for power and visits the West. Germans, Poles and Hungarians attempt to rise against Soviet rule. In 1956, an uprising in Hungary is ruthlessly crushed by Soviet tanks. The U.S., pledged to contain rather than overthrow communism, does nothing.
The Mark Steel Lectures- Descartes 3/3
Written and delivered by Mark Steel, each scripted lecture presents persuasive, yet witty, arguments for the importance of Descartes. This episode continues with the discussion of God in Descartes thoughts. Mr. Steel then discusses Descartes new topic, which was anatomy. He discovered that the senses work through the nervous system. He then continued that our minds are separate from our
British Democracy (pt. 3)
Former MP Benn gives a description of Democracy as it exists, how it was
gained, and describes efforts to take it away and to get it back.
(While from a British point of view, it can easily be applied to
American democracy.)
Mary had a Little Lamb - Song
This cartoon video contains the classic nursery rhyme - Mary had a Little Lamb - in song form. Â Animation is low quality. Â (1:13)
Idioms in English - 'Blue'
This video is in lecture format with a white board. There aren't any graphics provided to help add depth to the lesson. The phrases are all common expressions
and phrases that use the color blue. (3:26)
A Vision of 21st Century Teachers
This is video is a Technology Motivational Video for teachers. It tries to encourage teachers to be 21st Century Teachers. It shows teachers of different disciplines nonverbally promoting using technology and the the advantage of doing so.Run time 04:31.
The Largest Flower in the World; Titan Arum
In this video, suitable for all grades, David Attenborough looks at one of the largest flowering plant in the world, if not THE largest flowering plant. Wouldn't you think a plant this large would emit a wonderful fragrance? It is sometimes called a Corpse Flower because the smell is that of a rotting corpse.
Using Nature to Grow Batteries
Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she's produced viruses that can construct powerful new batteries, clean hydrogen fuels and record-breaking solar cells. At TEDxCaltech, she shows us how it's done. (10:26)
How Jet Engines Work
 The invention of the jet engine revolutionized air travel and this video shows how it works and why it is successful. Explains a lot of things that might be valuable to students such as why the engines make noise and work. It would help if the students had a printout of the engine and its parts.
Food Webs - by StudyJams
The food web shows all of the relationships between all of the plants and animals in a community. It also shows how different food chains interact with one another and overlap. Learn more about food webs with this cartoon animation from StudyJams. A short, self-checking quiz is also included in this link.
Human Anatomy - Spine
This is a computer-animated video (02:29)Â that describes the three sections of the spine and the structure of the spine.
