Ositos (Little Bears)

Este libro interactivo desvela el mundo de la fauna que habita en la sabana africana. Todas las curiosidades de esta gran diversidad de animales son analizadas en este libro, que contiene ruedas que giran, ventanas que se abren y solapas que se despliegan.

Este libro interactivo desvela cómo se suceden el día y la noche en la Tierra. Todas las curiosidades de este proceso son analizadas en este libro que contiene ruedas que giran, ventanas que se abren y solapas que se despliegan.

Maps of the different regions of the world show their geographic, cultural, and economic features. Includes text describing the individual coutries.

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process, from the initial research and brainstorming sessions, through the design and testing ...