Like a fresh canvas, stem cells can turn into almost anything. In a comprehensive instructional activity, high school biologists use clay to build a 3-D model of cell division and the processes that occur during the first 14 days of...

Imagine being part of a team of scientists that discover the oldest human remains in North America. Imagine being part of the crew that documents this discovery. Class members get a change to be part of such an exciting adventure in a...

Every living creature can leave a fossil record, yet most fossils belong to extinct organisms rather than ones currently living. Scholars learn about dating rock layers, fossils, and the environment of the past. Pupils understand that...

Archaeologists have discovered a cache of Native American relics. They want to preserve these relics by removing them from the rapidly eroding site to a lab where they can be studied. Native American traditions demand that the items...

Students investigate different types of landforms. In this landforms lesson, students explore landforms by participating in a WebQuest. Students research the reasons behind landforms changing and create a picture using KidPix.