Give your class a tour of the diverse landscape of your own undersea realm!

Brainstorm with your students a list of things that are possible in water that are not possible on land, and vice versa.

In this activity students will collect and closely observe specimens that have washed ashore to recognize different kinds of small ocean organisms.

It’s time to excavate the contents of your desk—that is, after you first create a scale drawing of the site. Explore how precise mapping helps archaeologists keep track of their finds.

With access to products and information from around the world, our range of choices is seemingly endless. But how would life be different if you lived in a different time and an isolated place?

From hot deserts to frozen tundra to underwater caves, archaeological sites can be as diverse as our planet’s environments. See why some evidence from past cultures survives over time and some doesn’t.

Vivid mosaics of stone and glass cubes—some enhanced with precious gold leaf—once gleamed from the floor, walls, and ceiling of the Petra Church. Learn how to make your own colorful masterpiece.

With a few simple tools from around the house and garden, you can execute a sound archaeological dig. Level by stratigraphic level, learn how to find and analyze objects like a pro.

This Nobel Prize–winning chemist contributed to several scientific fields. His remarkable body of work spanned chemistry, geochemistry, lunar science, and astrochemistry.

This "heavy" experiment allows students to discover that salt water sinks in fresh water.