Science Buddies
Science Buddies: Balancing the Load: The See Saw as a Simple Machine
Have you ever tried to pull out a nail out of wood with your bare hands? Or have you tried to shove a staple through a stack of papers without a stapler? A hammer's claw, a stapler, a pair of pliers and a shovel are each examples of...
Science Struck
Science Struck: Simple Machines: Pulley Systems
Describes some history of the pulley, how it works, the formula for calculating its mechanical advantage, types of pulley systems, and some applications of pulleys.
TeachEngineering
Teach Engineering: Rube Goldberg and the Meaning of Machines
Simple and compound machines are designed to make work easier. When we encounter a machine that does not fit this understanding, the so-called machine seems absurd. For this lesson, the cartoons of Rube Goldberg are introduced and engage...
TeachEngineering
Teach Engineering: Pyramid Building: How to Use a Wedge
Young scholars learn how simple machines, including wedges, were used in building both ancient pyramids and present-day skyscrapers. In a hands-on activity, students test a variety of wedges on different materials (wax, soap, clay,...
TeachEngineering
Teach Engineering: Pulley'ing Your Own Weight
Using common materials (spools, string, soap), students learn how a pulley can be used to easily change the direction of a force, making the moving of large objects easier. They see the difference between fixed and movable pulleys, and...
Other
Utah Online Services: Rss Workshop
A well-regarded introduction to publishing RSS feeds, from the state of Utah Online Services division. In this workshop, you'll learn how to create, validate, parse, publish, and syndicate your own RSS news channel. The emphasis is on...