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Learn how people are trying to protect endangered bears and what the future could hold for these remarkable animals.
From the snowy white polar bears of the Arctic to the black bears that roam through parts of North America, bears have long been a common sight in many parts of the world. However, many species are becoming less common as they face threats such as illegal hunting and climate change. Readers will find out how bears live and what impact they have on the environment.
Learn about big cats species that have already gone extinct and how big cats live in the wild.
From snow leopards to tigers, almost all of the world's big cat species are in danger of dying out. These fierce predators live all over the world in many different habitats and play an important role in their local ecosystems. Readers will discover how human activities are harming the cats and what can be done to save them.
This book provides a short selection of experiments that can be performed using electricity.
When were batteries invented?
Italian scientist Alessandro Volta invented the first batteries in 1800.
Inside, you'll find:
* Why some materials hold electricity better than others;
* Experiments, a timeline, photos - and how electricity is created;
* Surprising TRUE facts that will shock and amaze you!
True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
Readers will learn about electricity while performing the short experiments in this book.
Why did ancient Egyptians put oil on the ground while they were building the pyramids?
The oil reduced friction and allowed them to drag huge stone blocks along the ground.
Inside, you'll find:
* How forces such as inertia and friction relate to motion;
* A timeline, photos - and how humans have used the laws of motion to invent things such as roller coasters and space shuttles;
* Surprising TRUE facts that will shock and amaze you!
True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
Genes are the blueprints for all life. When scientists first began altering genes to change the traits of living things, they unlocked an entirely new branch of science: genetics. Readers will get an overview of the science behind genetics and find out how genetics have changed our world. They will also meet some of the biggest innovators in genetics history and find out where the field is heading next.
Learn what is causing gorillas to disappear and what people are doing to save them from extinction.
Which kinds of gorillas are the most endangered?
There are only about 900 mountain gorillas and 300 Cross River gorillas left in the wild.
In the wild, they face few natural enemies. However, human activities are threatening these animals' survival. Readers (Grades 3-5) will learn what life is like for wild gorillas and why these amazing animals are an important part of the natural world.
This king of the canine family is not the kind of pup you'd want take home! Learn about the traits that wolves do and don't share with their canine cousins. Then join a wolf pack and see how this endangered species tracks its prey, searches for a den, and raises its young.
Learn about the history of human-rhino interactions and find out what people are doing to save these animals from extinction.
With their enormous size and distinctive horns, rhinoceroses are immediately recognizable. Unfortunately, threats such as habitat loss, poaching, and natural disasters are causing these incredible animals to disappear from their natural habitats. Readers will find out how rhinos live in the wild and what roles they play in nature.
Learn how people with allergies avoid hidden everyday allergens and get a sneak peak at the new allergies treatments doctors are preparing for the future.
How common are allergies?
Around 8% of all children in the United States suffer from allergic reactions.
Eating peanut butter, petting a friendly dog, or sniffing a colorful flower are perfectly harmless activities for most people. However, for allergy sufferers, these can all be life-threatening experiences. Readers will find out why some people have allergies and others don't, how allergies are diagnosed and treated, and which substances are the most common allergens.
Describes the physical characteristics, habits, and natural environment of the huge plant-eating apatosaurus and discusses theories on why it became extinct.
"A Plant-eating Giant:
Can you picture the world as it was many millions of years ago?
Things looked very different then. The Earth was continually changing.
Separate continents were still forming. There were no humans yet. This was the Mesozoic era, a time also known as the Age of the Dinosaurs.
True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index. Inside you'll find:
* The largest butterfly in the world;
* Maps, a time line, photos - and a desert with some of the biggest rocks on Earth;
* Surprising, TRUE facts that will shock and amaze you.
Few natural disasters are more frightening, sudden, and deadly than an avalanche.
Huge waves of ice and snow pouring down a steep mountain can cause tremendous amounts of damage. Readers will learn about some of the most devastating avalanches in history and find out how rescue operations are carried out. They will also discover how experts predict avalanches and what people can do to stay out of harm's way during these extreme events.
Bridges are a crucial part of trade and transportation. They allow vehicles and pedestrians alike to cross everything from rushing rivers to rocky ravines. Readers will trace the history of bridges from their invention in ancient times to the construction of today's engineering wonders. They will learn why different bridge shapes are suited to different purposes, how engineers choose which materials to use in bridge construction, and much more.
About 12.5 percent of all deaths in the world are caused by cancer, making it deadlier than AIDS, tuberculosis, and malaria combined.
Readers will discover how this common, yet deadly disease is diagnosed and treated. They will also learn how different kinds of cancer affect the body differently and why some types are deadlier than others.
True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index. Inside you'll find:
* The name of China's boy emperor;
* A map, a time line, photos - and the reason for building the Great Wall of China;
* Surprising, TRUE facts that will shock and amaze you.
With the rapid increase in internet access in recent years, cyberbullying has become a major problem for millions of young people.
Inside you'll find:
* Which rules you should follow to stay safe online;
* A timeline, photos - and how you should respond if you are being cyberbullied;
* Surprising TRUE facts that will shock and amaze you!
Sometimes the most difficult skills to learn are the basic ones that help us stay healthy and safe. With this new True Book series, readers will discover how to think critically about some of the everyday decisions they will face throughout their lives, from dealing with bullies to choosing a healthy diet. Key Features: Compelling questions encourage readers to think about how these principles apply to their lives Glossaries provide definitions of important vocabulary words Exciting photos complement the text and hook the reader's interest.
Readers will find out about the many different types of cyberbullying, from posting unflattering photos online to sending threatening text messages. They will also learn why it is important to avoid these activities and what they can do if they are victims of cyberbullying.
This book briefly examines the geology and environment of deserts, as well as the people and animals who make them their homes.
The BIG TRUTH! The desert weather report. What is the forecast for today?
The average scorpion is about 2.5 inches (6 centimeters) long.
Contents:
Exploring the Desert. What are deserts, and where are they found?
With sand and wind. How does nature make a desert in the first place?
Man-made deserts. How have people and cities changed the deserts of the world?
Home, sweet desert home. How can people possibly live in some of the world's deserts?
Wildlife under the sun. What kinds of plants and animals survive in deserts?
True statistics, Resources, Important words, Index, About the author.
True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
Astronomers have been working for decades to locate and identify all of the planets they can.
There are eight planets in our solar system, and there could be billions more throughout space. Readers will discover what methods these scientists use, how new technology has helped them see further than ever, and why some scientists think that faraway planets could be home to life forms unlike anything on Earth.
In 2014, an outbreak of the deadly Ebola virus in West Africa made headlines around the world.
Because the disease spreads easily and has no known cure, many people were terrified that it would spread throughout the world. Readers (Grades 3-5) will learn how the outbreak began and how Ebola spreads from person to person. They will also explore earlier Ebola outbreaks and find out what scientists and doctors are doing to fight against the illness today.
A True Book-Physical Science Whether you're an aspiring inventor or an everyday science buff, you've probably created your own experiments to uncover the truth about the forces of physical science. Now you can delve deeper into the topics of electricity, motion, gravity, and more with these titles that are perfect for the budding scientist in you.
This book explores how the sun was formed, what it is made of, and how its energy travels to Earth and the other planets of the solar system.
The sun provides us with the light and energy we need to survive.
It also serves as the center of our solar system, with its gravitational pull keeping the planets in orbit. But what exactly is the sun? Readers will explore how the sun was formed, what it is made of, and how its energy travels to Earth and the other planets of the solar system.
Learn about the longest and most unique bridges in the world.
From China's remarkable Danyang-Kunshan Grand Bridge, which spans more than 100 miles, to the amazing Millau Viaduct, which allows drivers to travel almost 900 feet above the ground in southern France, bridges rank among man's most incredible engineering feats. Readers (Grades 3-5) will learn about some of the biggest and most unique bridges in history, from how they were planned and built to how they have stood the test of time.
In order to maintain careful control over the safety and accuracy of their experiments, scientists often work in laboratories. Labs give scientists the space and equipment they need to make their greatest discoveries. Readers will tour some of the world's most incredible laboratories, from the ocean research vessel that can flip from a vertical position to a horizontal one to the massive International Space Station. This well-written book will help readers identify key facts about science topics. The engaging content allows readers to draw connections between historical events and scientific ideas.