We owe our lives to gravity. It holds the atmosphere to Earth and keeps us all from falling off into space. Not to mention that without gravity, the stars and planets—including Earth—wouldn't even exist!
Here on Earth, we tend to take gravity for granted. Yet the astronauts aboard the Space Station need to learn how to do everything without it. Can you imagine shooting hoops in a "weightless" world?
Students in grades 3-8 can observe and learn about the carbon cycle in this experiment.
"Atmosphere," "biofuels," "carbon dioxide"—challenge students to spell out their climate change knowledge from A to Z.
Antarctica's winter runs from mid-February through late August. If you decide to stay, you're there for the duration—all aircraft traffic is stopped. Learn how research crews prepare to go it alone.
At the poles, it's possible to study sea ice that's 3,000 years old. Find out what scientists learn by cutting up ice cores and seeing the ice crystals' many different textures and colors.
Why does cold air rush out of a freezer when you open the door? How does it then move through a room? Experiment to learn the answers—and gain insight into the blustery winds of Antarctica.
This slideshow provides background information on the bighorn sheep and their habitat and breeding habits.
It all comes down to choosing the right outfit ... when you're dressing for an expedition to Antarctica. Do you know which fabrics would do the best job keeping you warm and dry?
Hazards to Humans, Polar Gear, The Cold Facts—how well do you know your Antarctica trivia? Whatever you do, don't forget to give your answers in question form!