This book provides an understanding of the impact that humans have on Earth and suggests ways to reduce damage to the environment.
This book examines the natural forces that create and shape rocks, minerals, and soil and explains how they are an influence to how Earth changes throughout time.
This book describes the importance of wetland areas to Earth's ecosystem and discusses threats against areas such as the Everglades and the Arcata Marsh and Wildlife Sanctuary, along with the efforts to restore and protect wetland areas.
This introduction to cooking discusses the many ways math is used when working with food.
Readers will be introduced to an important stage in history when they read Building The Erie Canal. This book is filled with photographs, interesting facts, discussion questions, and more, to effectively engage young learners in such a significant re-telling of events.
Readers will be introduced to an important stage in history when they read America Enters The Industrial Revolution. This book is filled with photographs, interesting facts, discussion questions, and more, to effectively engage young learners in such a significant re-telling of events.
En el libro se explica cómo se puede vivir en casas amigables con el medio ambiente.
Explores electricity from the power plant to your home. Includes how electricity is made, circuits, how we use electricity, and the effects our changing world and weather have on how it works.
Discusses things that rot and break down and things that don't. Investigates how decomposing things may feed insects or animals and help the soil. Discusses recycling.
Discusses solids, liquids and gases as well as the changing states of matter, water, weather, and evaporation.
Defines geology and discusses Earth's layers, soil, plate tectonics, types of rocks and the rock cycle, and land formations.
Explores energy, how we use it, different types and forms of energy, conservation and transformation, renewables vs. non-renewable, and energy conservation.
Take an in-depth look at earth science in this science encyclopedia.
This book presents a collection of questions, answers, and facts about the planet Earth, including its origin, continents, and relation to the Sun and Moon.
This book takes a look at the biological, nuclear, and chemical weapons that are known to be weapons of mass destruction, the history of human conflict, and how warriors have sought the best weapons for the most effective means of winning.
Dogs can use their keen sense of smell to help law enforcement as part of teams called K-9 units. A mysterious bag in an airport? A car full of hidden drugs? A missing body in the woods? Don’t worry, K-9 Units are on the case!
For thousands of years, people found rocks that they thought were giant dragon tongues that had fallen from the sky. But they were looking in the wrong direction! These fossils were actually the teeth and bones of creatures that lived in the waters long, long ago. What other mega-sized, mega-cool creatures lived in the ancient seas? Let's explore MEGA Creatures of Ancient Seas! The MegaCool MegaFauna series explores the history of some of the most massive creatures that ever lived. They swam in the seas, walked the lands, and soared through the skies. Some are even still alive today! Learn how mega-cool megafauna are related to (or are even examples of) modern living things. These awesome extra-large animals have an amazing history, so let's start exploring
In 2009, scientists found the bones of "Dracula" in Transylvania – that was what they named the fossils of a new pterosaur whose wings could spread 12 meters wide! Millions of years ago, gigantic reptiles like “Dracula” ruled the skies. What other mega-cool, mega-sized creatures flew in the ancient skies? Let's explore MEGA Creatures of Ancient Skies! The MegaCool MegaFauna series explores the history of some of the most massive creatures that ever lived. They swam in the seas, walked the lands, and soared through the skies. Some are even still alive today! Learn how mega-cool megafauna are related to (or are even examples of) modern living things. These awesome extra-large animals have an amazing history, so let's start exploring
People have been finding fossils for thousands of years. When scientists found claws that were 3 feet long, they thought they had found a massive turtle. After more bones were found, they realized that the claws belonged to a dinosaur that weighed more than 10,000 pounds! What other mega-sized, mega-cool creatures roamed ancient lands millions of years ago? Let's explore MEGA Creatures of Ancient Lands!
Let's put the spotlight on the exciting world of electricians! With Skilled Trade Careers: Electricians, you'll discover how these skilled workers keep homes and towns operating at full power. Find out why “green energy” and amazing technology is changing the work of these professionals, and learn how you can pursue a career in this in-demand field!
Let's explore the fascinating work of plumbers! With Skilled Trade Careers: Plumbers, you'll discover how these professionals use their skills and training to solve mysteries, repair problems, and keep our communities clean and healthy. Learn how you can pursue a career in this in-demand field!
Let's explore the skillful work of carpenters! With Skilled Trade Careers: Carpenters, you'll discover how these professionals use their knowledge of math, geometry, and other subjects to turn blueprints and wood into beautiful buildings—inside and outside! Learn how you can pursue a career in this in-demand field.
Keeping things not too hot and not too cold—that’s the tricky task of HVAC techs! Discover how these trained professionals help keep homes cool in summer and cozy in winter, food fresh, and the planet from getting too warm. Learn how you can pursue a career in this in-demand field!
Get revved up about the world of mechanics! With Skilled Trade Careers: Mechanics, you'll discover how these highly skilled workers keep cars, boats, planes, and more running. Find out how they use computers, diagrams, and powerful tools to diagnose problems and make repairs, and learn how you can pursue a career in this in-demand field!
Spark your interest in the high-tech world of welders, where you’ll find torches, lasers, and robots! Discover how these skilled tradespeople use special training and tools to keep ships afloat, planes aloft, and buildings standing strong. Learn how you can pursue a career in this in-demand field!