Centers for Disease Control and Prevention
Centers for Disease Control: Childhood Obesity
The concern over obesity in children in the United States is staggering. This site provides research and statistics along with suggesting ways to change the epidemic. Includes video.
PBS
Pbs Mathline: Sand Babies (Pdf) [Pdf]
In this engaging lesson, students use a variety of measurement strategies in creating their own Sand Babies. Students explore standard and non-standard measurements, area, data collection and analysis, and graphing. Adaptations are...
Science Education Resource Center at Carleton College
Serc: Angle of Repose
In this activity, students measure the maximum slope at which grains are stable (the angle of repose). They explore how different properties of the sediment influence slope stability and lead to different slope failures (mass movements)....
TeachEngineering
Teach Engineering: Forces and Graphing
This activity can be used to explore forces acting on an object, to practice graphing experimental data, and/or to introduce the algebra concepts of slope and intercept of a line. A wooden 2x4 beam is set on top of two scales. Students...