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Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

Colección de 26 cuadernos independientes de los cuatro cursos de Secundaria. Para trabajar y consolidar todos los contenidos de la ESO de acuerdo a las necesidades de cada alumno.

Readers will set their eyes to the night sky in this fascinating book about astronomers. This volume is a perfect combination between STEM and career guidance as it introduces readers to the different ways astronomers use science, technology, engineering, and math in their work every day. Readers will love learning about celestial bodies and space phenomena, as well as the different processes and equipment astronomers use to observe, collect, and analyze data. This book also covers the steps a person can take to become an astronomer. The curriculum-based information in this book is conveyed...

¿Quién ha dicho que aprender historia no pueda ser divertido? ¡Descubre La loca historia de la humanidad y prepárate para la mayor aventura de todos los tiempos! ¿Cansado de clases interminables y libros de texto aburridos? ¡Prepárate para la diversión! Llega La loca historia de la humanidad, un divertido repaso por la historia del ser humano con una mezcla de humor, pasatiempos, curiosidades y explicaciones sencillas y amenas para pasarlo en grande. Y en este recorrido por la historia te acompañarán los Tempo, ¡la familia más alocada y aventurera de todos los tiempos! No te...

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.