Effects of Nitrate, Phospate, and Hydrogen Ion Concentration on Synedra Ulna: Diatoms as Indicators of Water Composition
Like generations of scientists before her, this 11th-grader from California understands that the key to scientific investigation is asking the right questions. Here she asks whether diatoms could be used to assess water quality.
Come exploring with this 9th-grader from Texas as she watches a thriving vernal pool habitat rise up from an area of dried-up muddy earth—and then disappear once again.
Why do some materials sink to the core of a planet while others float to the crust? This experiment uses marshmallow fluff and molasses to illustrate the concept of planet differentiation.
Archaeologists can’t just dig into a site like it’s a sandbox—they’d scramble the evidence and more than likely destroy precious artifacts. Try your hand at the careful sifting they employ.
How does one generation stack up to the next? Find out why it’s easier for archaeologists to answer this question when a family settles in one place.
Context is everything when it comes to identifying and understanding artifacts. Explore how archaeologists use surrounding objects to sort out how an artifact was originally used.
Want to learn more about archaeology but don't know where to start? Dig in with this list of books, with titles for both kids and adults.
Explore Petra and learn more about archaeology with this Web list for kids and adults.
Get an insider's view, past and present, of the 19 Indian pueblos of New Mexico. Take a closer look at traditional arts and crafts styles. And find tips and directions for making your own jewelry.
Compare contemporary myths with those from the 19th century. Read trickster tales from 55 tribal groups. And peruse illustrated Haida myths.