Real Engineering
The History of Iron and Steel
Steel a great resource to teach your class all about iron. Viewers of an engaging video see how the production of wrought iron, cast iron, and steel have changed over time. The video also explains some societal advances due to these...
Real Engineering
Why Are I-Beams Shaped Like an I?
There's a reason why they're called I-beams. A short Real Engineering video describes why I-beams are in the shape of an I. It considers how the beam achieves maximum bending load with the least amount of material.
Real Engineering
Material Properties 101
The six words you need to know to describe materials: stiff, strong, ductile, brittle, tough, and hard. Scholars learn how to investigate and describe material properties using a stress-strain graph. They identify yield strength and...
Real Engineering
Aluminium—The Material That Changed the World
Meet element number 13, aluminum. A video in the Real Engineering playlist explains how people started using aluminum in airplanes, buildings, and power lines. Scholars see how a moment of serendipity led to a process for producing this...
PBS
Pbs Learning Media: Curious George: Build a Wall
In the video "Keep Out Cows," Curious George tries to build a wall to keep the cows from munching on a flowerbed. He uses newspapers attached to a clothesline, but will they be strong enough to keep Leslie Cow and her friends away?...