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Have you ever wondered why presidential candidates need money for their campaigns? How do they get the funds they need to succeed in politics? This book focuses on how and where presidential candidates obtain the money to help them run for the country's highest office. Readers will learn about the history of campaign fund-raising and discover how candidates in different time periods approached it. They'll also learn about historical events, including a recent Supreme Court decision, that changed the nature of fund-raising. Timelines, graphic organizers, and colorful photographs help students visualize the concepts, and sidebars provide additional information to enhance the main narrative.
What are atoms? We can't even see them, so how do we know they are real? This book introduces readers to the concept that atoms are everywhere and that everything is made up of them. Readers will learn the history of atomic theory, from early Greek philosophers through John Dalton and Niels Bohr and on to current researchers in the field. Students will encounter high-tech tools such as the atomic force microscope and discover how scientists and engineers solve atomic problems. Colorful photographs and diagrams help make complex scientific concepts more accessible to elementary readers.
This book tells about the life and accomplishments of singer and songwriter Taylor Swift, the youngest artist in history to win Entertainer of the Year at the Country Music Awards.
What happens when you enter a room and flip the light switch? Why does a cell phone battery run down? This book focuses on electricity, electric currents, and electrical technology. Readers will learn where electric currents come from. They'll discover some of the early pioneers in the field of electricity, including André-Marie Ampère and Alessandro Volta. Students will learn how inventors such as Thomas Edison and Nikola Tesla helped bring electricity into homes. Fascinating modern developments in computing and medicine will help readers see that electricity is essential. Colorful photographs and diagrams help make these complex scientific concepts more manageable for elementary readers.
This physical science volume addresses mixtures and solutions and the technology involved with creating and studying them. Readers will learn about the methods that chemistry pioneers used to arrive at an understanding of the nature of mixtures. Readers will learn how to distinguish mixtures from solutions. Historical examples and contemporary examples from the fields of pharmacology and microelectronics will promote interest and understanding. Diagrams and colorful photographs of scientists at work will help make complex scientific concepts easier for elementary readers to understand.
Most people have seen or heard about flying drones and their many uses, but have you heard about drones in the water? What are they used for, and how are they waterproof? With this volume, readers will learn what an underwater drone is and how it operates. Students will discover how people use drones to explore shipwrecks, coral reefs, and other underwater sites. They'll find out how the use of drones helps scientists obtain data about the water, and they'll learn about drone rules and safety protocols. Photographs, diagrams, and graphic organizers will help readers visualize the concepts, and fact boxes enhance the narrative.
How are drones used in racing and other sports? Who builds and operates racing drones? Readers will learn about drones and discover why many people enjoy using drones in racing and sports. They'll also find out how the use of drones at sporting events is changing the way viewers watch televised sports. Readers will learn about the rules and safety protocols involved with operating racing and sport drones. Diagrams, graphic organizers, and colorful photographs will help students visualize essential concepts, and fact boxes enhance the text with more information.
Presents insights into Daniel Radcliffe's life, including his inspirations, rise to stardom, and achievements.
Offers a brief overview of the life and career of professional basketball player LeBron James, discussing his childhood, family, accomplishments, and related topics.
Looking to build some cool moving machines? Think small! Craft a tiny Ferris wheel or a super-small wobbling UFO. You might even make an itty-bitty disco ball. Tiny machines are tons of fun!