This activity provides instructions for recycling flat bottom cans to make and instrument called a Bonko.

3-5
6-8

This Web site annotates the synopsis of the opera Doctor Atomic, which is about the building and testing of the atomic bomb. The annotations provide history and scientific information.

9-12
Postsecondary

This Web site, based on a popular exhibition, explores the adaptable frog--and the importance of frogs as research animals and environmental sentinels--through articles, audio, video, and interactive...

6-8
9-12
Postsecondary

This activity provides instructions for making sentences without words.

3-5
6-8
9-12

This activity provides instructions for studying ancient petroglyphs, modern symbols, and making a personal "petroglyph."

3-5
6-8
9-12

This activity provides instructions for making a rain stick from a cardboard tube, rice or uncooked beans, and nails.

K-2
3-5
6-8

In this activity, you'll begin to decode the Mayan number system as it's written in a document known as the "Dresden Codex."

6-8
9-12

This sound-rich Web site explores the science of music, starting with the existential question: "Why does my voice sound so good in the shower?" The physics of how shower walls alter sound waves to affect...

6-8
9-12
Postsecondary

David Goodsell is a molecular biologist and an artist. In this interview, he describes how he creates paintings, drawings, and computer-generated illustrations of molecules and cells, basing his work...

6-8
9-12

A Web site that explores how imagery--from low-tech sketches to high-tech MRIs--affects the way we look at our bodies. A provocative and offbeat mix of Webcasts, multimedia, and text, this site takes...

9-12
Postsecondary