Seven pages offer scholars the opportunity to learn about North American mammals and boost their coloring skills. Animals include brown bears, beavers, jackrabbits, wolves, jaguar, and Dall sheep 

What features do scientists use to classify animals into groups? Class groups examine a series of paired images of vertebrates (a bass and a trout, a toad and a newt, a crocodile and a tortoise, an owl and a robin, a tiger and a bear)...

Introduce the logic behind a dichotomous key or administer a group performance assessment with a fun and challenging classification lesson. With explicit instructions for the teacher and for collaborative groups, as well as engaging...

It's a time of change. A hands-on activity engages young scientists in a lesson highlighting the change of seasons. They brainstorm indicators of season changes in nature and then look for them. Next, they record observations in a field...

"What are the native land mammals of Antarctica? Do you know what Nanatuks are? Did you realize that if you use rainfall as a measure, Antarctica is by definition a desert?" Find the answers to these questions and more in this...