Science Buddies
Science Buddies: Centripetal Force
What keeps you in your seat of a giant loop-de-loop roller coaster? Surprisingly, it is not the seatbelt but the seat. It works because of something called centripetal force and it does much more than make a great roller coaster. In this...
TeachEngineering
Teach Engineering: Bees Are Master Pollinators
The study of biomimicry and sustainable design promises great benefits in design application. It affords means by which to promote cost-effective, resourceful, non-polluting avenues for new enterprise. These "blueprints" have existed...
Analyze Math
Analyze Math: Polygons Problems
Here are four problems about the area of a regular polygon. Start by finding the area of a hexagon inscribed in a circle of radius 10, and end by proving that as the number of sides of the polygon increases, the area of the polygon...
Countries and Their Cultures
Countries and Their Cultures: Assyrians
Ancient Assyrians were inhabitants of one the world's earliest civilizations, Mesopotamia, which began to emerge around 3500 B . C . The Assyrians invented the world's first written language and the 360-degree circle, established...
Other
Joseph Bruchac Home Page: Joseph Bruchac
This site is Joseph Bruchac's homepage. It provides links to his biography, a listing of his major works, and other online resources for the author. It also provides links to several of his poems to open or download on mp3.
Khan Academy
Khan Academy: Gallery: Earth From Space
These satellite images of Earth shows some astonishing things about our planet and our relationship with it.
Society for Science and the Public
Science News for Students: Building Stonehenge
Stonehenge is a circular monument of stones in Great Britain that researchers and scientists have studied for many years. A recent study has suggested that it was built by livestock herders, not farmers as previously believed. Highlights...