Constructing a Perpendicular
The shortest distance between a point not on a line and a line is along the perpendicular to the line. This video describes how constructing a perpendicular to a line uses the same process as constructing the perpendicular bisector of a line segment, but with one additional step. The first step is to swing an arc from the point and intersect the line in two places, which creates a segment that can be bisected. (2:06)
American Falls from Above-American Side
From the LOC collection-Part of Edison's "New Niagara Falls series: The following subjects were all taken on the latest and most improved clear stock during December 1896, and should not be confounded with former negatives, which were not entirely satisfactory."
Learn To Write Numbers 0 to 20
Models of writing numerals from zero to 20. Arrows and dots are used to show students how to form the numerals. Graphics and animation are very clear and well paced. When the numeral is complete, a graphic comes up with the number of objects the numeral represents. D'Neilian style is used. (6:57)
Expanded Notation - by StudyJams
Expanded notation, also called expanded form, is a handy way to write numbers that shows the place value of each digit. It looks like an addition problem and will help you break numbers down and understand their place value. Learn more about expanded notation with this step-by-step, interactive video from StudyJams. A short, self-checking quiz is also included with this link.
Potential Energy: Wile E Coyote & Roadrunner
Excellent examples of elastic and gravitational potential energy are then converted to kinetic energy, as shown in this classic Roadrunner episode. (01:23)
Acting Tips : Basic Emotions
The basic emotions are crucial to portray in a realistic way as the foundation of being a good actor. Practice mastering basic emotional responses. (2:11)
Homes and Houses
This video is a slide show that presents vocabulary related to homes, houses and buildings. The words are written and and read out twice.
What Is Broadcast Journalism?
Broadcast journalism used to be restricted to TV and radio
only, but now the Internet plays an integral role in the field of
broadcasting the news through blogs, videos and station Web sites.
A former TV news anchors explains the the definition of broadcast journalism with insider information in this clip. Words shown on bottom of screen as we see the head shot of the CEO speaking. (1:13)
Web Site Evaluation
Short video shows how to evaluate a web site for quality. It discusses all the important points for evaluating a website for crediability. (1:53)
Evaluating Web Sources with the Library Fairy
Students at St. Kate's learn about evaluating web sources with the beloved Library Fairy. They learn that you need to check how current the page is, who is the authority behind the page, is the page accurate, and to check for bias. (1:55)
This video is in a PowerPoint style. It discusses how to evaluate websites for accuracy. (7:08)
Evaluating Web Sites Tutorial
This tutorial covers how to evaluate websites for credibility. It discusses the differences between the different domains and how to check to get the best information.
Web Search Strategies in Plain English
This animated video with a few live action scenes from Common Craft describes a few simple strategies including the use of quotation marks around phrases and the minus sign to exclude words from results.
Using an Asterisk in Google Search
Explains how the * is used in a Google search as a placeholder. Would be good to show students more advanced searching techniques. Grades 7-12. 2:18 min.
A Video of Molecules
This video shows how various molecules look. For example, water consisting of two hydrogen atoms and one oxygen atom.
The others are: glucose, sucrose, amylose, stearic acid, oleic, glycerol, trigglyceride, phospholipid, alenine, serine, leucine, phenyaleine, hexapeptide, peroxide, dioxiribose, thymine, atp, dna, amylpectin and cellulose.
Making Molecules with Atoms
Animated video about making molecules with atoms
What are Molecules?
Molecules are made up of two or more atoms, such as hydrogen and oxygen to make water, or sodium and chloride to make salt. Discover how molecules are formed with important facts from a science teacher
How to Calculate Molecular Weight
This is a six-minute video tutorial about calculating molecular weight. The instructor uses a whiteboard to calculate the weight of h2o.
Would you risk your life to ski the perfect powder? In 2008, there were a record number of deaths from avalanches in North America, most of which were caused by the victim or someone in their party. The explore team heads into the stunning backcountry ski areas of the Grand Teton mountains to participate in a "live" avalanche drill, and to see how ski patrol and search and rescue teams save people from being buried alive
Marbury v. Madison
This video is accompanied by text. "John Marshall was a lifelong Federalist dedicated to strengthening the power of the Federal government. He was appointed by John Adams during the last days of his presidency. The Judiciary Act of 1801, one of the final laws passed by Adams and the Federalist-controlled Congress, created sixteen new federal judgeships and other judicial offices. The appointment of these “midnight judges” enraged Republicans who claimed the action defied the will of the peop