Books published by publisher Powerkids Pr

What causes wind? How have scientists and engineers learned to use wind energy to generate power? Where is the best place to build a wind turbine? Readers will find the answers to these and other questions in this fascinating book about harnessing the power of wind. This important early elementary science topic is covered in rich detail with a strong focus on STEM topics featured in the Next Generation Science Standards. Colorful diagrams and photographs allow students to visualize how wind is used to power our planet.

The United States commemorates unidentified fallen soldiers in a special way. All unknown soldiers that have lost their lives since World War I are honored through tombs, which symbolize the courage and bravery possessed by the unknown people buried inside them. Arlington Cemetery, home to the Tomb of the Unknown Soldier, boasts a peaceful atmosphere appropriate for the burial ground of hundreds of thousands of United States soldiers. This title uses primary sources and stunning imagery to introduce students to the history behind one of the countrys most unifying institutions.

Juneteenth, which is celebrated each year on June 19th, commemorates the end of slavery in the United States. This holiday began in 1865, more than two years after President Lincoln issued the Emancipation Proclamation. News spread much slower back then, and when slaves in Texas finally learned of their freedom, the holiday was born. In this book, readers are given an in-depth look at the history of Juneteenth, including the events leading up to its creation. Readers will love learning about how this important moment in U.S. history is celebrated each year.

Dams and reservoirs are essential aspects of human life today. Without these structures, many people living in areas where water is naturally scarce would be left high and dry. Dams and reservoirs can occur naturally. However, people often interfere with nature to create their own. Damming rivers and creating reservoirs isn't always a completely beneficial practice. To create a reservoir, large areas of land have to be sacrificed. This book explores the processes associated with damming rivers and building reservoirs as well as the positive and negative outcomes of doing so.

Kung fu is an exciting and popular form of martial arts. Like all martial arts, kung fu not only teaches self-defense, it also teaches confidence, concentration, and physical fitness. People have practiced kung fu for thousands of years, during which numerous styles and techniques have developed. This volume looks at the history of kung fu, from ancient China to the modern dojo. Fact boxes highlight key exercises, equipment, and important figures associated with kung fu. Full-color photographs accompany informative and accessible text that will appeal to developing and independent readers.

Nuclear power is a sustainable energy source and cleaner alternative to traditional fossil fuels. Like other alternative energy sources, there are pros and cons to using it. Students will learn how nuclear energy is generated and where this power source may take us in the future. STEM topics featured in the Next Generation Science Standards are discussed in rich detail and enhanced by full-color photographs and informative diagrams. Readers will enjoy learning about this awesome energy source.

Fascinating insects, yellow jackets are aggressive wasps that like to eat rotting fruits and meat. Many people fear yellow jackets for their reputation as quick to sting. Yet they are just trying to protect themselves and their nests. Inside the nest are larvae that they care for and feed and which, in turn, provide adult yellow jackets with food for part of their lives. Once the larvae grow up, the food source disappears and so yellow jackets head out looking for sweet juices found in rotting fruit and soda cans. Readers will learn a lot more about yellow jackets and what else they eat when they are not scavenging.