To see what the Big Dipper would look like from outer space, build a mobile!
Find out what we know about Mars in this online tour of Earth's closest neighbor.
Try this on for size: If Earth were the size of your head, then Mercury would be an orange and Jupiter a small car. Size up the planets for yourself with a model scavenger hunt.
Can you convince your friends to spend the next school break on Pluto? Let your imagination run wild, and write an inspiring work of science fiction.
Do you know what makes you different from a snail, a tree, or even your best friend? Find out with this hands-on look at genetic code—and build a model that's a million-plus-times larger than life.
Here's a very cool experiment that just might bring a tear to your eye. Use a blender to separate the DNA from an onion. Then hold the genetic material in your hand.
Nature + Nurture = You! While it may look like a simple equation, the combination of your genes and your environment is actually very complicated. Find out if your answers match your family's.
How can you wear a chimp on your wrist—without getting primate elbow? The answer to this riddle is not as tough as it may seem. Need a hint? Take a closer look at genetic code.
Not all arthropods are equal in the eyes of plants. To attract helpful ones and fend off harmful ones, plants use their important chemical and mechanical attributes.
Field journals are incredibly important to researchers. In fact, many can't imagine doing science without them. Learn how to create your own valuable journal.