Using cartoon frog friends, this series offers attention-grabbing worksheets that help students master key science thinking skills. The worksheets work well as supplements to any science curriculum or as written exercises to reinforce unit studies and more relaxed, real-life approaches to science.

Topics include: the nature of science, important scientific discoveries, inventions, history, the scientific method, form and function, systems, and change and constancy. While the books are designed for grades 4-5, they can be used with any elementary or intermediate science program.

The Appendix includes science terms to know, topics of interest in each field of science, a science concepts & processes skills test, and answer key.