Grades 6-8
Article
Saguaro Cactus: From Life to Death
Journey to the Sonoran Desert in southern Arizona with this seventh-grader for an up-close and personal look at the saguaro cactus, which can live about 200 years and grow to be almost 80 feet tall.
Article
Beautiful Breeds
Did you know that there are more than 200 breeds of horses living today? Explore amazing facts about horse breeds. Find out about their colors, body types, the different jobs they do, and where in the world they come from.
Hands-on Activity
Horse Books
From a ride on the famed Pony Express to a pop-up guide for young equestrians, these kid-friendly titles bring to life the enduring relationship between humans and horses.
Article
Meet the OLogist: Sandra Olsen
Do you dream of a career studying horses? If so, you'll want to meet Sandra Olsen, a zooarchaeologist who has been learning about how humans domesticated wild horses.
Interactive
Beyond T. rex
Only a small fraction of the 400-plus known species of extinct dinosaurs have appeared on TV and movie screens. Meet some of the more unusual members of T. rex and Velociraptor's family tree.
Interactive
Bone Up on Your Fossils
Can you match up these eight dinosaur fossil photos with their descriptions? It's harder than you think!
Interactive
What Do You Know about Paleontology?
How much do you know about the Age of Dinosaurs? Brush the dust and other sediment off your brain, and test your paleontology knowledge with this interactive quiz.
Activity
What Do You Know About Horses?
How much do you really know about horses? Test your equine knowledge with this interactive quiz. Don't worry, there's no grading—just a helpful look at the answers when you're done!
Article
Living at the Pole by Paul Siple
Siple's Antarctic trips are legendary. At 10, he was selected in a nationwide Boy Scout search to travel there. Several decades later, he was part of the first group to winter over at the South Pole.
Article
Studying Polar Climate
Talk about the force of gravity—Antarctica's powerful katabatic winds thunder down from the high polar plateau to the coast, creating wind speeds that typically exceed 100 mph every winter month.