There really is "Big Time Science Fun" waiting for you at www.ontarioscience
centre.ca when you click on the "Interactive Zone" button. Control your own experiments to simulate mixing colors with light or with crayons. You can listen to the beat of a healthy heart and compare it to a heart that has suffered a heart attack. OK, major yuk-the exploding zit! You'll need the Shockwave plug-in to play with all the experiments (see Ask Amy), but that's easy. There is a link to download it on the Web site if you need it.

Sure, sociology, biology and astrology can all be interesting, but for sheer enjoyment, you can't beat Funology. At the Funology Web site, you'll get the inside track on the science of having fun! Laughs and learning go hand-in-hand at www.funology.com . With amazing graphics and nonstop amusement, this site is a can't-miss for all kids. Check out That's Odd, where you'll learn amazing facts, including the measurements of the sun and the speed of a lightning bolt. For some mind-melters, swing by Brain Drains, featuring the Secret Code and Geography Quiz. Into magic? Then get ready to learn some super tricks, such as the Mummy Finger, Invisible Ink and the Amazing Floating Egg. You'll even lift an ice cube with a piece of string. And visit Tummy Ticklers for wacky riddles and jokes. Funology is the Web site that chases boredom away. (Disclaimer: This site now contains advertisements.)

Put on your protective goggles and head to Exploratorium's Science Explorer at www.exploratorium.com/
science_explorer . You'll find 30 fun experiments you can do at home. Make an ear guitar with yogurt cups or make tiny lightning with a Styrofoam plate and your hair. You can also make "outrageous ooze" with corn starch or amazing architecture with gumdrops and toothpicks. You supply the ingredients and Exploratorium will provide the fun.

Step out of the lab and log on to the Web for scientific fun at www.tryscience.org . Start off with a scientific experiment that shows how sunscreen saves your skin. Next, visit a science center or museum where you can discover, explore and test ideas about the natural world. The Interactive Map will help you pinpoint a science center near your house. Live Cams positioned all over the United States allow you to peek at various museums. Finally, board Star Fleet Academy 1 as your favorite Star Trek character and explore engineering. There's no need to be shy. Give science a try.

Did you know washing your hair with mouthwash could cure dandruff? Discover Joey Green's Wackyuses.com at www.wackyuses.com/wackyuses.html . Wacky experimenter Joey Green lists dozens of uses for items you can find in a cabinet or closet. You can submit a wacky use of your own to win a free book or read trivia behind products such as sun block and toothbrushes. Who knew that astronauts used Silly Putty to keep their tools from floating off? Be sure to check with your parents if you want to try any of these crazy ideas. (Discliamer: This site now contains advertisements.)