Introduction to Reaction Mechanisms
In this video, Sal Khan offers an introduction to reaction Mechanisms. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. Please open the screen to 'full view' to see the small writing on a black screen.
Magic Sand: Stays Dry when Wet
How can something submerged in water stay dry? When ordinary sand gets wet, the result is a clumpy mess. However, "Magic Sand" begins as normal looking sand, until it's coated with a substance that repels water. This special coating keeps the sand dry even after it has been dumped into a container of water. Build castles and other structures under the water, then simply pour the water off when you're finished and the sand is still dry. Students are going to like to watch this and learn how it is
How To Identify Soft Tissue Lipoma
Videos shows normal and cancerous fat at both the tissue and microscopic levels. Doctor explains how the cancerous sample is identified. 1:53 min.
The History of Mathematics - BBC
Mathematics is the Empress of the Sciences. Without her, there would be no physics, nor chemistry, nor cosmology. Any field of study depending on statistics, geometry, or any kind of calculation would simply cease to be. And then, there are the practical applications: without math there would be no architecture. No commerce. No accurate maps, or time-keeping: therefore no navigation, nor aviation, nor astronomy.
Atmosphere Crushes Can!
This video demonstration is a perfect introduction to atmospheric pressure. Watch as the atmosphere teams up with condensation to crush a can. This video is a narrative, step by step demonstration and explanation. To print out suggestions and questions for discussion, go to www.montanascience.org and then select LESSON PLANS. Run time 01:35.
How To Begin Preparing For College In Your Junior and Senior Year
Senior College Consultant, Nick Pantelides, provides useful tips and advice for application tasks for Juniors, Seniors, and their parents when applying to college. His advice ranges from the SAT & ACT to Class Selection. Although the introduction refers to military academies, the information is general to all colleges. (4:54)
How to Use Apostrophes
This lesson excerpt is an introduction to apostrophes. The lesson explains what apostrophes are and introduces 6 different ways to use apostrophes in a sentence. Using apostrophes to make nouns possessive was the one way discussed in depth in this lesson.
Correct Comma Usage
A narrated slide show with photos shows the top 7 ways to use a comma. Sentence models are shown. Teacher uses sing song voice for the introduction of each comma use tip. (6:08)
Yakko's Universe Song - How Big is the Universe?
Yakko, a cartoon character from the Animaniacs, puts into song just how tiny we are, compared to the whole universe. Good introduction to relative sizes and distances in space. (1:59)
Welcome to the Universe - I: Introduction
Part I: Introduction This episode introduces a new, free series detailing our most modern scientific understanding of the Universe and the journey taken to reach it. Run time 07:00.
Challenger - The Final Voyage Part 1 of 6
Discovery Channel Video. January 28, 1986, the seven astronauts for the 25th shuttle mission make their way to the launch pad. Among them is Christa McAuliffe, a New Hampshire teacher, selected to be the first civilian in space. At 11:38 a.m. Flight 51L launches into history. In 1984, NASA decided to take a citizen into space. Ronald Reagan said he wanted to put a teacher into space. An i
Challenger - The Final Voyage Part 4 of 6
Discovery Channel Video. The next morning there were other problems on the launch pad. Ice had formed on the outside of the shuttle. The ice was knocked down, and the astronauts were sent to the shuttle, liftoff was delayed for two hours. At 11:29 a.m. all systems are go for launch. At Concord High School, where Christa is a teacher, is watching and ready to celebrate. In Florida thousands of people a
Challenger - The Final Voyage Part 6 of 6
Discovery Channel Video. The Presidential Commission concludes that NASA’s methods of reporting are at fault but no one person is at fault. The space program is stopped while safety is improved. Thiokol keeps their contract and spends $480 million to find a solution to the O ring problem.
Challenger - The Final Voyage Part 5 of 6
Discovery Channel Video. At takeoff plus one minute the Challenger is four miles high, everything seems normal. Then there is an explosion. NASA analyzes the debris and flight data. In June 1986, a full account of events is published. On ignition the O rings on the booster had disintegrated. At 59 seconds, Challenger
Eating Disorders Statistics
In this video, specific statistics for eating disorders are given. Text is highlighted and scrolled down screen as the narrator reads the text and makes comments. Kind of dry, but specific numbers are given to help those who suffer know they are not alone. 2:29 min.
Spelling Problems-Causes and What to do
Bonnie Terry, M. Ed explains the causes of spelling problems, how to find out what is causing the problem, and the type of spelling program that will address the problems. Video discusses the symptoms and causes of spelling problems. A parent writes in and asks, “My son is a horrible speller, I don’t know if this indicates a learning disability, like dyslexia, or just lazy.” She answers the cause could
Evolution and Oxygen
3 Billion years ago cyanobacteria appeared on the planet, changing the course of life on earth. Scientists call this event the Oxygen Catastrophe.
This video discusses the appearance of cyanobacteria and the effect it had on the evolution of life over the next 3 billion years.
Suitable for an introduction to evolution, endosymbiosis and the appearance of photosynthesis and oxygen. The video includes an introduction to iron strata formation and the relationship between cyanobacteria a
Learn to Read-Short Vowel Sounds
Bonnie Terry, M. Ed. In this video she shows how to teach or learn the short vowels. These are easy ways to learn the short vowel sound. She teaches how the short vowel sounds are on our body. Video is of good quality and the ideas are very handy for teachers and adults.
Computer Networking Tutorial - - Networking Basics
This is a basic introduction to computer networking. The narrator uses photographs and computer software to make his points. The video is clear and easy to understand.
Shakespeare: Hamlet Mystery
Throughout the entire play is a series of mysteries unfolded and questions answered. Here is an introduction to the elements of Mystery in Hamlet. Video looks at the "ghost" in the play. Video describes this play as a play of questions.