Twenty compelling Learning Challenge lessons provide teachers with everything needed to facilitate thoughtful, rigorous, dialogue-driven challenges for young learners around topics of current importance.
Twenty compelling Learning Challenge lessons provide teachers with everything needed to facilitate thoughtful, rigorous, dialogue-driven challenges for young learners around topics of current importance.
In this accessible guide, William Henry Stone introduces readers to the fundamental principles of sound. From vibrations to waves, this book covers all the basics in a clear and concise manner,...
Get your young scientists excited about the world around them with this systematic and practical course of science object lessons. Written by W. Hewitt, this volume presents easy-to-follow lessons...
This classic textbook introduces the fundamentals of mechanics with clear examples and practical applications. Suitable for both students and professionals, it covers topics such as force, motion,...
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of...