Energía del viento

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

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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

Quinto título de la colección "Enigmas". ¡Nuevos enigmas para resolver! Pon a prueba tu capacidad para resolver misterios, esta vez con 25 enigmas de la ciencia. Cada enigma responde a una teoría o principio científico. Resuelve los misterios y conviértete en un verdadero científico. ¡Juega, experimenta y aprende!

Take a virtual tour of the Smithsonian! With this Spanish book, you’ll spend a day in the life of a bird keeper and learn how they are “hatching” new plans to help endangered birds. English language learners will read about how an egg hatches, the incubation period, and bird species such as the Kiwi, the emperor penguin, and the Guam rail. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students...

This Rookie Espanol: Geografia book introduces young readers to the idea of using maps. The book begins with a look at road maps, city maps, and world maps. Young readers learn that numbered lines represent roads and colored shapes represent land and water. The focus is then on a map of the United States, followed by a look at how some maps show elevation, others feature rainfall, and still others include drawings that tell about the people, animals, and resources of a particular place.

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...