Scientists use different kinds of investigations depending on the questions they are trying to answer. Accessible text and child-centered examples guide readers as they learn to plan simple investigations based on fair tests to answer their own science questions.
This engaging and accessible book explains how scientists use models to help them understand systems in the natural world. Readers learn about different kinds of models and discover the similarities and differences between models and the real objects and processes they represent. Readers are given several opportunities to create their own models.
Readers will be amazed by ten exciting stories of miraculous survival and tragic events in the history of space exploration. Stories include: the near-fatal journey of Uri Gagarin, Neil Armstrong’s first step on the moon, the breakdown of Apollo 13, the Russian Salyut 1 space station, the space shuttle Challenger disaster, fire on board the Mir space station, and the two successful flights of SpaceShipOne. Feature boxes add additional details and help readers better understand the dangers faced by the crew on these famous missions.
Science uses evidence in explaining the natural world. Using relatable, real-world examples, this informative book shows readers how to construct an argument with evidence to support a claim. Readers will act and think like scientists as they learn how to distinguish between fact and opinion, and use evidence and reasoning to evaluate the claims of others.
Computer Networks looks at how computer technology has changed the way we work, communicate, learn, and have fun. The World Wide Web, search engines, email, and social media have all become part of our everyday lives. The bright and engaging design helps guide readers along, and easy-to-understand text explains websites and webpages, search engines, and email systems. Online security is a key area of focus, and advice is included on staying safe online. "Stretch Yourself" features give practical activities for readers to try to help reinforce learning and are not linked to specific software or operating systems. "True Story" features give real-world anecdotes from the world of information technology. "Computer Hero" features look at the groundbreaking scientists that paved the way for digital technology today.
Awesome Algorithms and Creative Coding explores how computers work and explains how to think in a logical way. The bright and engaging design guides readers through clear explanations of binary code, simple algorithms, and computer language. With real-life examples, students learn about the development of coding using simple decision-making processes. Programming languages that readers can use themselves, including Scratch and LOGO, are reviewed. "Stretch Yourself" features give practical activities to help readers explore and test key principles to help reinforce learning and are not linked to specific software or operating systems. "True Story" features give real-world anecdotes from the world of information technology. "Computer Hero" features look at the groundbreaking scientists that paved the way for digital technology today.
Amazing Applications and Perfect Programs helps explain operating systems, computer programs, sorting and storing files, databases, and the programs that allow users to have fun with words, pictures, and sounds. The computers that are used in schools, homes, and businesses around the world rely on programs. Learn about the amazing variety of programs available today and how they can be used for the most complicated finances or for simple word processing. Exercises teach key skills such as word processing, creating documents, and using databases. "Stretch Yourself" task boxes give practical activities for readers to try to help reinforce learning and are not linked to specific software or operating systems. "True Story" features give real-world anecdotes from the world of information technology. "Computer Hero" features look at the groundbreaking scientists that paved the way for digital technology today.
The Science of Computers takes an overall look at information technology, exploring how computers operate and the amazing devices that are used in homes, schools, and businesses today. Students will be fascinated by the history of the development of information technology and digital devices from the early computers that filled entire buildings to the tiny silicon chips being produced today. This practical learning guide lays the groundwork for further exploration of computational thinking. "Stretch Yourself" features give practical activities to help readers explore and test key principles to help reinforce learning and are not linked to specific software or operating systems. "True Story" features give real-world anecdotes from the world of information technology. "Computer Hero" features look at the groundbreaking scientists that paved the way for digital technology today.
Animals are endangered in many kinds of habitats and for different reasons. This intriguing book looks at why some animals have become endangered due to changes in their habitat. Examples include animals in the Arctic that rely on ice for hunting face the challenge of melting ice due to climate change, the populations of animals born only on particular islands and nowhere else are shrinking, and many kinds of ocean animals are being poisoned by water pollution. Ideas are included to encourage readers to help protect these endangered animals and their habitats.
This entertaining book shows how animals communicate to share information, attract mates, or scare away enemies. They sing, growl, howl, spray smelly scents, and make their body parts bigger. Students will have fun learning about these communication skills and be asked to compare their communication methods with those of animals.
Animals adapt, or change, to stay alive. Adaptation can happen in an animal’s body or in the way it behaves. Some adaptations have taken place over many years, and others are caused by changing habitats due to the actions of people. This informative book shows animal adaptations due to changing climates, habitat changes, and opportunistic behaviors that help animals survive, such as the creation of new species. The coywolf, for example, is a new species. It is part coyote and part wolf, and has a much greater chance of survival than either of the animals that created it.
This fascinating book explains that some animals must learn the basics of staying alive from their mothers, while others know how to survive without being taught. Students will discover how some bird and mammal mothers teach their babies how to find food and keep safe from predators. Readers will also learn about other animal skills such as finding their way over great distances. People need help from navigation instruments, radar, or maps. Animals use cues such as the sun, stars, or Earth’s magnetic field when they are swimming or flying. This book asks students to look at the skills of animals and compare them to their knowledge and ways of learning.
People have learned a lot from animals and copied many of their ways of surviving. This interesting book details many, often surprising, examples: bird flight and airplanes; defensive equipment such as helmets and turtle shells; strong spiderlike threads for surgeries; heating and cooling systems such as those created by termites; camouflage patterns on uniforms or vehicles in battle; and animal prints copied in fashions and decorations.
This fun title asks readers to think about how different body coverings protect animals by keeping them warm and safe. From fur and feathers to scales and shells, readers get a close-up look at different animal coats to see how they suit the habitats and lives of the animals that are covered in them.
From where they sleep to what they eat and how you can make them feel safe and at home, this book gives you all the pet care advice you need to become a lizard’s best pal. Learn the inside information on how lizards communicate, what games they like to play, and how to understand their behavior, so you can build a bond with your pet that will last a lifetime.
From where they sleep to what they eat and how you can make them feel safe and at home, this book gives you pet care advice on a variety of different pets. Learn the inside information on how to care for and understand the behavior of pets such as snakes, insects, chinchillas, newts, and salamanders.
From what they eat to how to keep their tanks clean and healthy, this book gives you all the pet care advice you need to become a fish’s best pal. Learn the inside information on how to understand their behavior, so you can have your own piece of the ocean in your home.
From where they sleep to what they eat, this book gives you all the advice you need to become a pony’s best pal. Learn the inside information on how ponies communicate, and how to understand their behavior, so you can feel confident about your pony knowledge.
This beautifully illustrated title explores the wonderful world of the slithering snail. Snails have a silvery, sticky mucus that they leave behind as they move. One of the slowest creatures on Earth, they move at a top speed of 45 miles per hour (1 cm per second). Find out more fascinating snail facts in this colorful book
This beautifully illustrated title explores the wonderful world of creepy-crawling centipedes and many-legged millipedes! These wonders of nature use their many legs to scurry around in dark, damp places looking for food and shelter. Find out more about these amazing movers.
This beautifully illustrated title explores the wonderful world of tiny ants. Did you know that ants would eat almost anything they can find, including fruit, fungus and dead animals? Find out more fascinating ant facts with this wonderful book.
Tia’s mom is always telling her not to waste water. But why is this so important? Follow her story and find out why water is precious and what small steps we can all take to help save it.
Molly’s bedroom is a mess and her toys are everywhere. She trips over one of them and hurts her knee, so she decides to sort through her toys to see which ones are worth keeping. Follow her story and find out why Molly's mom won’t let her just throw her toys away, and how we should reuse, repair, and share our things.
Leo is sad that trees were cut down in nearby woods to make way for new houses. He has lost his special place to play, but more importantly, many animals have lost their homes. Follow his story and find out about the loss of animal habitats, the problem of climate change, and the small steps we can take to protect the planet and its wildlife.
Tom and his mom usually drive to school, but they always get stuck in traffic. Follow his story and find out what happens when Tom walks to school, and why walking is so much better for our planet—and ourselves!
