US Department of Energy
Geothermal Energy
With Earth Day quickly approaching, as well as many science fairs, why not challenge your class to investigate geothermal energy or other renewable energy resources? There are five driving questions explored in depth here, as well as...
Rowland High School
The Catcher in the Rye Projects
What really knocks me out about this project list is that when you're done reading about the projects, you wish you could do them all. I'm not kidding. There are 16 terrific ideas and that doesn't happen very often.
Incredible Art
1, 2, and 3-Point Perspective
Introduce drawing students to perspective with a series of lesson that detail how to draft images in one-, two-, and three-point perspective. Each exercise includes step-by-step, illustrated directions and examples.
![Noaa: Measuring the Depth of Water [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Noaa: Measuring the Depth of Water [Pdf] Activity")
NOAA
Noaa: Measuring the Depth of Water [Pdf]
Discover how people used simple tools to map the bottoms of bodies of water before the invention of sonar equipment. Then create a sounding box to measure depths that you cannot see.
CK-12 Foundation
Ck 12: Plix: Seafloor: Sonar Boats
[Free Registration/Login Required] This site includes a brief example of how sound detector boats work. It also includes an assessment for students to show their knowledge of using sound waves to predict the depth of water.
BBC
Bbc History: World Wars: World War One
In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.