ABOUT THE SERIES: Written by Rebecca Stark, these comprehensive, fun-filled units teach students important scientific facts and concepts. Each book also provides a variety of critical- and creative-thinking activities, including creative writing, experimenting, solving logic puzzles, determining cause and effect, research, math, analyzing, evaluating, and others! A fun What’s the Question? game (similar in format to Jeopardy) culminates each unit to reinforce the concepts covered in the unit. Also included in each book is a crossword puzzle, which may be used to evaluate knowledge or just for fun. Teachers are provided with answers and background information. 48 pages each. Grades 4 to 8.

OUR EVER-CHANGING EARTH covers the following topics:
• Geology: What Is It?
• Earth’s Structure and Composition
• Minerals and Rocks
• Gradual Changes in Earth’s Surface
• Plains and Plateaus
• Earthquakes and Volcanoes
• Other Geologic Phenomena
• Plate Tectonics.