Which activity gets your heart pumping more: using the computer, climbing the stairs, jumping rope, running, or walking? Youngsters take a heart rate reading after 30 seconds, one minute, and three minutes of each activity. The handout...

Eliminate the hard work of creating an entire literature unit with this reading guide for the novel Sarah, Plain and Tall. From background information about the author and her motivation for writing the story to...

Our oceans are composed of many complex relationships. Young oceanographers explore relationships between organisms, understand the world ocean's currents, and discover the effects of water pollution and how it behaves. There are...

What do Mike Tyson, Ellen DeGeneres, and Paul McCartney have in common? They're all famous vegetarians. Using the resource, scholars learn about the pros and cons of eating a vegetarian diet. They read a fascinating history of...

Research indicates that marijuana can negatively affect coordination and judgment, making it dangerous to drive while under the influence. But does it increase the risk of car crashes? An informative fact sheet describes the ways...

Batswana are divided into a number of subgroups or "tribes", There are approximately twenty-five totems, which crosscut "tribal" boundaries. Although Batswana received Christian missionaries in the early nineteenth century and most...