Did you know that cars weren't designed for passenger safety until the 1960s? The lesson starts with a quick quiz on automobile safety. Then, scholars evaluate three cars for their safety features. This is the third in a set of nine...

Currently, only 2.1% of global warming is felt on continents, while over 93% is felt in the oceans. The fourth lesson in the series of 21 on global warming is composed of three activities that build off one another. In the first...

How has Gorongosa National Park changed over time? Discover the park's rich history, dating back to primitive human times, through an interactive timeline and scientific reading. The second installment in an eight-part series explores...

Roger Kornberg, the oldest son of two biochemists, won the 2006 Nobel Prize in Chemistry. Learn about Kornberg and his scientific research with an animation, videos, biography, and an applied problem-solving activity. A summary and...

Can organic molecules come from a pre-biotic environment? Stanley Lloyd Miller proved it is possible when exactly the right conditions exist. Learn about his experiment and the other experiments later building off of it that changed the...

Students explore wolves. In this ecology and wolves lesson, students research predator-prey relationships on the Internet and complete a related worksheet with a partner. Students interpret data on bar graphs to determine growth and...

In this biology activity, students engage in the reading of the rights of educators to teach concerning the issue of using animals for educational purposes.

Students examine an article on astronauts training in deep space brine then discuss what they learned.  In this investigative activity students get into groups and design an exercise that includes isolation, silence and conflict...