Students investigate parts of a cell. In this plant cell lesson, students determine the difference between plant and animal cells. Students discover that coral is an animal based on cell characteristics. Students create puppets to...

Young scholars solve the mystery of the kidnapped teacher by analyzing a ransom note using paper chromatography. They carefully prepare ink samples from the note to known ink samples to determine the kidnapper.

Eighth graders study the basic facts of polarization.  In this light waves lesson students demonstrate some activities illustrating interference patterns.