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Readers will be fascinated to learn about a wide range of scientists who have attained recognition or have demonstrated unique abilities in a variety of scientifc fields including, astronomy, mathematics, chemistry, physics, anthropology, oceanography, botany, and medicine. Chronolgically presented, this book begins with Pythagoras (c. 580 BC to c 500 BC) and ends with Stephen Hawking (b. 1942). As with all of the scientists featured in 100 Scientists Who Shaped World History, both men sought answers to the physical world around them. Pythagoras, a Greek philosopher and mathematician, coined...

The newest book in our Exploring series, Exploring the World of Biology is a fascinating look at life - from the smallest proteins ans spores, to the complex life systems of humans and animals. Includes: Numerous illustrations and photographs - visual learning aids to help make concepts easy to understand Special "Explore More" activities with questions, discussion ideas, and research opportunities for students Chapter questions make it easy to test students for learning comprehension Topics include food for energy and growth, plants, insects, life in water, reptiles, birds mammals,...

The latest installment of the wildly successful Exploring series, this textbook supplement explains physics in remarkably clear detail. Complemented with black-and-white illustrations, the book uses ordinary speech to explain the concepts of physics. The author s goal is to write at a 6th grade level, but explain the concepts so that a motivated 4th grader can understand the material. Physics equations and formulas are kept to a minimum. The author starts with the simple and goes on to the complex, and the development is somewhat historical in nature, but is intended to be an introductory...