An in-depth look at the leaders, battles, institutions, and ideals that contributed to the American Revolution. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
"This title examines the history and use of algae as a source of energy, the pros and cons of the technology, and next steps for this important energy source"--.
Explores the essential element nitrogen. Discusses where it is placed on the periodic table, a history of its discovery, how it mixes with other elements, and how it affects the world. Includes color photographs, a glossary, sources for further learning, and an index.
Explores the essential element silicon. Discusses where it is placed on the periodic table, a history of its discovery, how it mixes with other elements, and how it affects the world. Includes color photographs, a glossary, sources for further learning, and an index.
Analyzes the pros and cons of the gig economy, recounts its history, and discusses its future. Also examines various gig jobs in the creative arts, such as cartoonist, photographer, and freelance artist. Includes color photographs, a glossary, and further resources.
Presents a collection of facts about hydrogen ranging from its place on the periodic table and its physical and chemical properties to where it can be found and how it's used. Includes diagrams, a glossary, resources for further information, and color photographs.
Analyzes the pros and cons of the gig economy, recounts its history, and discusses its future. Also examines various gig economy jobs in the gaming industry, such as streaming, developing, and journalism, and describes necessary qualifications.
What will the weather do today? In this book, readers in grades 4-9 will learn about ways people have developed to predict the weather, from looking at the sky to running models on a computer. Temperature, pressure, and wind speed are among the factors that determine whether to look out for sunshine or a tornado. Weather prediction not only helps you plan your day, it can even save lives!.
