"If you were going to climb and explore in a mountainous environment, what would you need to know? What would you pack? And who would be helpful to take along? This book gives you the knowledge you ne
"A hands-on approach introduces young scientists to screws. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is
"A hands-on approach introduces young scientists to springs. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is
"A hands-on approach introduces young scientists to wheels and axles. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curr
"A hands-on approach introduces young scientists to pulleys. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is
"A hands-on approach introduces young scientists to ramps and wedges. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curr
"A hands-on approach introduces young scientists to the lever. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum
"Read Volcanoes to learn all about these exciting, beautiful, and unique landforms. Discover the different volcano types, how volcanoes are formed, and what living things can be found in and around vo
"Read Mountains to learn all about these exciting, beautiful, and unique landforms. Discover the different mountain types, how mountains are formed, and what living things can be found in and around m
"How many countries are in North America? Where do bald eagles live? What language is spoken in Mexico? This book answers these questions and more as it introduces young readers to the continent of No
"What is Europe's highest mountain? How many countries are in Europe? What languages do people in Europe speak? This book answers these questions and more as it introduces young readers to the contine
"Where is the Sahara Desert? What is Africa's highest mountain? Where do elephants live? This book answers these questions and more as it introduces young readers to the continent of Africa through ag
‘How We Use Coal’ will give you answers to these and many other questions: Why do we make soap from coal tar? What makes coal a useful fuel? Why don’t we use coal in car engines?
