Why are Popsicles softer than ice? What makes bananas turn brown? Why does the Moon seem to change shape? How do whales use sound to "see"? Figure out the answers for yourself with these totally cool activities and experiments about the wonders of astronomy, biology, chemistry, earth science, and physics. Janice VanCleave's 203 Icy, Freezing, Frosty, Cool, and Wild Experiments guarantees hours and hours of fascinating, hands-on, safe, low-cost science fun. Try these awesome projects at home or in the classroom: make your own astrolabe and measure the altitude of the stars, transform dishwashing liquid into intricate crystal formations, and use Gummi Bear candy to study how water is absorbed. Each experiment includes an illustration and simple step-by-step instructions.