If you have questions about dinosaurs this book will help you
Now you can uncover answers to questions about dinosaurs. Using a single paper towel, you can learn why dinosaur eggs were so small--even those hatched by the biggest "dinomoms." By making a simple jigsaw puzzle you will experience the excitement and challenge of piecing together dinosaur bones. Each low cost, fully illustrated activity--there are 20 altogether--comes with a clear purpose, a list of materials, step-by-step instructions, expected results, and an easy to understand explanation. Every activity has been pretested and can be performed safely and inexpensively in the classroom or at home. Written 1994
Questions about Chemistry this is for you
Find out the answers to your questions about chemistry and other mysteries in this fascinating collection of ideas, projects, and activities that teach the basics of chemistry theory and practice. Written 1989
