Bøger udgivet af PowerKids Press

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

Pearls are beautiful flukes of nature. The only gemstones formed inside living creatures, these lustrous gems have fascinated mankind for centuries. Readers will be enchanted by this thorough study of pearls, how they're formed, how they're collected, and their historic uses. Meeting Next Generation Science Standards with a unique spin on curricular subject matter, this book is a guaranteed jaw-dropper for young scientists.

Few objects can catch the fancy and capture the imagination quite as much as diamonds. Since their first discovery, these precious gems have inspired passion, evoked jealousy, and spurred conflict. Readers will study how diamonds are formed, extracted, and processed. Stunning sparkling photographs of the glittering gemstones add dimension to the book's comprehensive content. The book's relevant subject matter makes it a must-have for growing science enthusiasts studying elementary Earth science topics.

Not all pets are furry or feathery, some of them are scaly or slimy. Reptiles and amphibians can be fantastic pets, and readers of this expert guide will learn everything they need to know to take care of these interesting creatures. Stunning full-color photographs introduce readers to different species and breeds, while a handy checklist helps them decide which reptile or amphibian might be right for their home and lifestyle. Fascinating information about how reptiles and amphibians act in the wild helps readers understand their domesticated creatures' needs and behavior. Readers will also learn important information on how to care for sick pets. Full of fun features such as stories about famous reptiles and amphibians, this guide is perfect for both pet owners and nature lovers.

If you've ever tried to cut your own hair, you probably found out quickly that it's much more difficult than it looks. Barbers are professionals trained to cut and style hair. They've spent thousands of hours learning how to do their job. Readers learn that a good barber makes their clients comfortable while they do their work and tries to make sure everyone leaves happy. For some people, going to the barber is an opportunity to socialize with other customers while getting their hair cut. Everyone should leave the barber shop feeling good about themselves, as your readers certainly will.

Rabbits, mice, and even rats are intelligent creatures that can be lovable and loyal pets. All they need is the proper care and a good home. This expert guide teaches readers everything they need to know about caring for these furry friends. Beautiful full-color photographs introduce different breeds of rabbits, mice, and rats. A checklist helps readers choose which of these cute creatures is right for their home and lifestyle. They'll learn how these animals behave in the wild, and how to take care of them when they are sick. Fun fact boxes about famous and newsworthy rabbits, mice, and rats will engage readers. Information-rich and playful, this guide is great for animal lovers and pet owners.

This thoughtful book helps young readers explore families with members who have special needs or challenges. It will encourage readers to consider both similarities and differences and to accept differences and challenges as being OK. They'll learn how to help and support friends whose families might have their own unique differences.

About 50 percent of the marriages in the United States end in divorce. Just because parents split up, however, it doesn't mean the family is broken. No matter the reason for the divorce, children's lives will be different. This book empathetically presents children with new ways of thinking about life during and after their parents' divorce. It expertly provides them help in vocalizing and working through their feelings and emotions, and provides useful tools to help them thrive in new family situations.

Wheels and axles may seem basic, but with these inventions humankind has created incredible things. From skateboards to Ferris wheels, these simple machines have changed our world forever. This accessible book helps readers relate wheels and axles to the technology in their daily lives through cool real-world examples. Detailed pictures of machinery with extensive annotations help readers understand key engineering concepts. Fun Technology in Action spreads give readers an up-close look at how mechanical parts work together. This vibrant and engaging approach to simple machines is sure to encourage a passion for STEM, making this volume a valuable addition to any library or classroom.

Tapeworms are gross and creepy, but they can also teach us a lot about science. As readers explore the weird world of tapeworms, they discover fun facts that support science curriculum topics, including animal relationships and life cycles. These fun facts are presented alongside vivid, detailed photographs of tapeworms that are sure to fascinate readers. Having a tapeworm living in your body is anything but fun, but learning about tapeworms can be very exciting for young readers.

What's slimy, poisonous, and sometimes cannibalistic? Young readers will love this fact-filled book about fire salamanders. Through engaging text, eye-catching visuals, and fun fact boxes, readers will learn about the behavior, habitat, and anatomy of these slimy salamanders. This book also explains the salamander's superpower--regeneration of limbs--and how it helps them survive. Readers can use helpful tools, such as the table of contents, index, and glossary, to help them navigate the world of these crawling cannibals. Supplemental websites give additional guidance for further research.

Have you ever seen a flea up close? Readers will be able to say they have after viewing a variety of freaky flea photographs as they explore the lives of these creepy creatures. Readers may be familiar with the fleas that crawl on pets. One kind of flea spread the plague that killed more than a quarter of the European population during the Middle Ages. Readers discover this and other important facts about fleas, including what they look like and where they're found. As they read, they learn things that apply to science curriculum topics, including life cycles and parasitic relationships.

Bedbugs get their name from the fact that they like to hide where people sleep. Then, they come out in the middle of the night and make a meal of human blood! Readers learn many icky facts about these bugs that support science curriculum topics, such as life cycles and relationships between parasites and hosts. They also learn what happens to a person's body when they get a bedbug bite. Helpful tips on finding and getting rid of bedbugs are included, too. Vivid photographs of bedbugs seem to crawl right off the page!

Ever wondered what causes a storm, why clouds come in so many shapes, or how to predict the weather? This awesome book on meteorology puts the answers in the reader's hands. Readers will get firsthand experience with this epic branch of science through fun experiments they can do in their own backyard or park. Hands-on projects help readers grasp abstract concepts. Step-by-step instructions and full-color photographs guide readers through each activity. Helpful What's Happening sidebars explain the wonders of meteorology demonstrated in each experiment. Fun and informative, this book is the perfect introduction to the science of weather and atmospheric phenomena.

Recycling is one great way to help the planet! Many things that we use every day--paper, plastic, glass, and metal--can be recycled to create new things. That means using fewer resources and less energy. This book equips readers with fascinating facts about how products are created and recycled, as well as suggestions for how they can recycle in their own lives. Brilliant graphics and engaging text will provide eco-conscious kids with great ideas for how to help Earth, one plastic bottle at a time.

The common woodlouse is one of nature's most recognizable insects, though many people call it a pill bug or rolly-polly. Readers will learn all about this small and gross insect, discovering what it looks like, where it lives, how its special body acts as a defense against predators. Age-appropriate language makes elementary science content accessible to readers, while colorful photographs reinforce the text in an exciting and engaging way.

For those with a yearning for adventure, stunt planes are the aircraft of choice. These small planes zip through the air doing all sorts of flips and twists. With the help of this engaging guide, readers can create their own paper versions of these vehicles, and make them perform similar tricks. Each exciting activity is rated from easy to hard, making it simple for readers to challenge themselves, or pick a project they know they'll feel confident completing. With vibrant images and easy-to-follow instructions, this book is sure to be a hit among audiences of many ages and levels.

The idea of going to space is something that fascinates many, so naturally the vehicles that can get people there are intriguing, too. Readers of this stimulating volume learn how to make their own paper versions of these spaceships by using the Japanese art of origami. Step-by-step instructions guide readers in turning an ordinary piece of paper into a unique masterpiece, often with just a few simple folds. Colorful images and diagrams accompany accessible text, making for an engaging manual that readers of all ages and levels can benefit from.

Jets are high-interest aircraft that many people of all ages are fascinated by. With the help of this captivating book, readers get a chance to make their own paper jets using paper and an assortment of folding techniques. These exciting origami projects take paper airplanes to a whole new level. Helpful diagrams accompany step-by-step instructions and guide readers through each part of every activity. Along the way, readers learn about different types of jets and learn the basics of this unique Japanese art form.

Gliders may look similar to airplanes, but there's one huge difference; gliders don't have engines! Readers of this engaging guide learn to make their own paper gliders using the art of origami. Simple step-by-step instructions and closely related images make it easy for readers to follow along and complete their own unique projects. Each activity is ranked easy, medium, or hard, giving the reader the opportunity to decide if they want to take part in projects that are best suited for their current skill level, or ones that will challenge them.

People have long been captivated by the beauty of gems, from diamonds and sapphires to rubies and emeralds. Kids will be interested to know how these precious rocks form. Through this helpful book, young gem lovers will understand the crystal structure that many gems have and how beautiful rocks form in nature.

The world of mosses, ferns, and other plants that do not produce seeds is clearly explained in beautiful simplicity. With explanations about the differences between plants and animals and the many types of seedless plants, Plants Without Seeds offers a friendly introduction to the different groups of plants that use spores to reproduce.

Trees, insects, mushrooms, and birds are just four of the millions of different things in the world. How do we keep track of them all? asks author Elaine Pascoe. Animals With Backbones proceeds to explain just that. With information on backbones plus the unique traits of fish, amphibians, reptiles, birds, and mammals, this book will have students excited about the animal kingdom.

Thanksgiving is a uniquely American holiday. Rich with history, this book focuses on traditions and feasts that have been practiced for hundreds of years. Young learners may wonder, what exactly are we celebrating, and why? When did these traditions begin? In this informative book, readers will learn about the origins of Thanksgiving and the many ways people celebrate it across the country today. Eye-catching photographs enhance the text and a supportive picture glossary helps develop growing vocabularies.

When thinking about natural disasters, floods probably aren't the first thing that come to mind. However, a sudden rise in water level can cause great destruction and even death. This book explores where and why floods occur and features photographs of the incredible damage they can cause. Readers will learn how people survived some of the worst floods in recent history as well as new prediction methods to help avoid the damage and destruction floods can cause. This book was designed to support the elementary earth science curricula and STEM topics are covered throughout.