What color were dinosaurs? Why did dinosaurs disappear from the earth? How small was the smallest dinosaur? What's a micropachycephalosaurus? Now you can uncover answers to these and othe
Are spiders insects? * Why do crickets chirp? * How do caterpillars become butterflies? Janice VanCleave's Insects and Spiders includes 20 fun and simple experiments that help you discover t
Janice VanCleave's A+ Projects in Biology Are you having a hard time coming up with a good idea for the science fair? Do you want to earn extra credit in your biology class? Or do you just want to kn
