The sun sends the earth 35,000 times the amount of energy required by all of us on the entire planet, every day. The fourth lesson in the 10-part series looks at how light energy from the sun transfers into thermal energy. Scholars build...

Forensic scientists depend on their observation skills to analyze evidence down to the molecular level. Middle and high schoolers practice making observations and predictions with a series of crime scene activities, which includes a...

Drinking straws are a pretty simple device ... or, are they? Explore the possibility of sipping a beverage 30 feet away with an engaging activity that's sure to keep pupils guessing. Just place a long piece of plastic tubing in a glass,...