Bøger udgivet af Enslow Publishing

Most people love microwave popcorn or a warm snack from the microwave, but before 1975, homes did not have this great device. How did Percy Spencer go from a small town mill worker to the inventor of one of the most popular devices in the world? This book explains how Spencer's love of science and machines helped him achieve a patent for the microwave oven.

One of the amazing things poop can do is create beautiful white sandy beaches. Scientists have discovered that around 70 percent of white sand found on beaches comes from parrot fish poop. Parrot fish have bird-like beaks that can bite off pieces of coral. They chew the coral into tiny particles, digest the algae that grows on it, and poop out what they no longer need; streams of white coral sand. This fascinating book will help readers understand the value of poop in creating beaches, as well as the important role parrot fish play in the ecological system they live in.

Solar and lunar eclipses have been a source of fascination since ancient times. Early cultures created myths to explain what was happening, ranging from animals eating the celestial bodies to the sun leaving the sky in anger. Today, thanks to advancements in science, we understand the principles behind these astronomical events. However, this understanding has not diminished our awe and fascination. Through engaging, age-appropriate text, augmented by informative sidebars and detailed graphic organizers, this volume introduces readers to the science behind solar and lunar eclipses. Stunning full-color photographs also highlight the beauty of these natural phenomena.

Containing profiles of several of the most famous serial killers throughout history such as Jack the Ripper and H. H. Holmes, this in-depth analysis of the killers' minds, behavior, and actions will surely intrigue any psychology student. Comprehensive text explains the life and crimes of these prolific killers from history, and a personality disorder self-assessment quiz will give readers insight into psychopathy, which is the most common psychological condition for serial killers.

The German word schnauze means snout or muzzle, and its bearded muzzle is one of the schnauzer's most distinguishing features. Filled with simple yet informative text, fast facts, and colorful photographs, this delightful text approved by the American Canine Association informs readers all about the care of schnauzers, from housing and exercise to diet and play, encouraging children to become responsible dog owners. In addition, a Note to Parents stresses the importance of spaying or neutering and microchipping pets, a Words to Know section helps young readers learn new vocabulary, and a Read About Dogs section with books and websites provides sources for further exploration of the subject.

From Lady Elizabeth Bathory to Bell Gunness to Aileen Wuornos, this book takes an in-depth approach to evaluating the life and crimes of some of the world's most vicious women, who are grouped into chapters by psychological type. Readers can also take a personality disorder self-assessment quiz to learn more about psychopathy--the most common psychological condition for serial killers.

Parasites are a nasty part of a healthy ecosystem, thriving off the nutrients of their hosts while their host is hurt in exchange. While they aren't beneficial to the host, understanding where parasites come from and how they infect the body is important for young readers. Through the vivid photographs complemented by comments from illustrated teaching companions, young readers get an introduction to not just where these nasty creatures come from, but how readers can avoid infection. Young scientists will read along with the fun illustrated characters who encourage a better understanding of what a parasite is.

Originating in Germany, the strong, powerful Rottweiler was bred to herd cattle and pull carts of butchered meat to the market. Author Linda Bozzo and the American Canine Association provide young readers with accessible information, more fun facts, and adorable full-color photographs of this loyal, robust dog. Students will learn whether a puppy or adult dog is right for them, what to feed it, and how to keep it clean and healthy. In addition, this text includes a Note to Parents that stresses the importance of spaying or neutering and microchipping pets, a Words to Know section to help young readers master new vocabulary, and a Read About Dogs section to encourage deeper exploration into the topic.

The solitary leopard seal is a fierce hunter and a graceful swimmer. It spends most of its time swimming in the frigid waters of Antarctica. How does it survive in this extreme environment? With the help of color photographs and fun facts, this accessible text explores how the leopard seal's life cycle, body structure, and behaviors have adapted to make it one of the most fearsome predators in one of the coldest places in the world. An engaging final activity encourages readers to use what they've learned to create an Antarctic food web.

A plate breaks, an ice cube melts, a room is painted. Each of these is an example of a physical change. Readers are introduced to physical changes in matter. Simple explanations cover forms of matter, properties, and changes. Real-life examples illustrate important concepts. Fast facts and Words to Know sections provide additional information. Full-color images expand and support the narrative, while an activity reinforces ideas through experimentation. This book supports Next Generation Science Standards, correlating directly with the NGSS Grade 2 standard to "classify different kinds of materials by their observable properties."

A burning log, a rotting banana, and a rusting bicycle. These are examples of chemical changes. With this accessible narrative, readers are introduced to the basics of chemical changes. Easy-to-follow explanations cover matter, forms, properties, and changes. Further detail introduces how to make chemical changes and how to recognize them. Color photographs, fast facts, and an engaging activity expand and reinforce the newly learned ideas. This book supports Next Generation Science Standards, correlating directly with the NGSS Grade 2 standard to classify different kinds of materials by their observable properties.

Some objects can be scratched or dented easily. Others can take a beating and still look as good as new. This may be one sign of hardness. This accessible narrative introduces basic concepts about the property of hardness of matter. Readers learn how to identify hardness through senses and tests, as well as how hardness may change. A hands-on activity gives readers a chance to experience the concepts in action. Fast facts and vivid images offer additional nuggets of information. This volume supports students' ability to classify different kinds of materials by their observable properties in second grade as specified in the Next Generation Science Standards.

Some things bend while other things break. With this accessible narrative, readers are introduced to the property of flexibility and how it relates to the different forms of matter. Colorful images accompany real-life examples that explain what is flexible and how flexibility changes with heat, cold, and wetness. An experiment allows readers to discover the concept of flexibility in action, while fast facts and Words to Know sections encourage understanding and interest. This book supports Next Generation Science Standards, correlating directly with the NGSS Grade 2 standard to classify different kinds of materials by their observable properties.

The bright colors and lively festivities of Carnival are yearly traditions in Latin America. In this book, readers will learn about the history and meaning behind Carnival, as well as the ways in which it is celebrated on the mainland of South and Central America and in the Caribbean islands. Huge parades, costumes with feathers and gems, and native music make Carnival a very special time in Latin America. Learning about how Carnival is celebrated in Latin America will show readers why it may be an important celebration for Hispanic families in the United States as well. Bright photographs are paired with exciting text to bring the joy of Carnival to life for young readers.