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There's a force lurking out there with extraordinary powers. It's as fast as any falling object, powerful enough... Read More >>
What Is Motion? introduces readers to the science behind that question, explaining the physics behind the phenomenon... Read More >>
An introduction to light and how it helps us to see. Profiles different kinds of light, including sunlight, firelight... Read More >>
Explains the phases of the moon-- the changes that happen to it as it goes around Earth. Read More >>
Simple text and illustrations present the three states of matter, solid, liquid, and gas, and describes their attributes.... Read More >>
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization... Read More >>
The only series for MYP 4 and 5 developed in cooperation with the International Baccalaureate (IB) Develop your... Read More >>
Explore Physical Science with this 10-book set for Grades 4-5. Readers will learn about electricity, sound waves,... Read More >>