Lesson plans for many student activities which introduce the concept of polyhedra into the classroom. Some activities can be accomplished by hand with paper, pencils, and scissors, but the unit works best if the learners can regularly...

Fun Science is designed to teach scientific experiments to children ages 3 to 16 in an informal and entertaining way. Click on "pequenos cientistas" to watch animated experiments and to access scientific facts and quizzes. The games...

An exploration of four defining scientific inventions/discoveries of recent history: plastic, laser technology, electricity, and bar codes. The history and development of these technologies, along with examples of their application and...