Mujeres en las fuerzas armadas (Women in the Military)

La comprensión, aprendizaje y aplicación de las Ciencias Experimentales, especialmente las destinadas al estudio de la Física y la Química, requieren una dedicación muy personal a la resolución de cuestiones y ejercicios que motiven el interés hacia estas materias. Este libro presta una ayuda complementaria a las explicaciones del libro de texto y de la clase. Ofrece, para cada Unidad, un resumen de los conceptos, unidades y fórmulas más importantes, así como un buen número de cuestiones, ejercicios y problemas explicados y resueltos, todo ello con el fin de afianzar y ampliar los...

"Simple text and color photographs introduce basic concepts of above and below--in both English and Spanish"--Provided by publisher.

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Featuring TIME For Kids content, this Spanish resource, Empujar y jalar (Pushes and Pulls), aligns with NGSS standards to teach young learners about forces and interactions. The engaging photos encourage students to describe what is happening using their own words. This full-color, wordless picture book can be used in the classroom or at home to teach children the difference between pushing and pulling.