How do rocks change shape? Why does Venus rotate "backwards"? How do tigers talk with their tails? Do bigger ears hear better? Discover the answers to these and many other weird and wild mysteries in astronomy, biology, chemistry, earth science, and physics. Janice VanCleave's 204 Sticky, Gloppy, Wacky, and Wonderful Experiments gives you hours and hours of hands-on, low-cost scientific fun. Try these safe, easy-to-do experiments at home or in the classroom: construct a lunar calendar to examine the phases of the moon, observe the feeding of ants to find out how they communicate, and build a model of Galileo's thermoscope to measure how different materials change temperature. With so many amazing projects to choose from, you'll have a blast learning about the world around you.