Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

El texto es sencillo y fotos a todo color instruir a los lectores cómo construir un cohete con gas y explica la ciencia detrás de la actividad.

Encourage readers to discover which foods are healthy for them and how to make the best food choices with this Spanish-translated nonfiction title. Featuring helpful charts and diagrams, interesting facts, informational text, and vibrant, detailed photos, readers are introduced to important concepts such as main food groups, proteins, carbohydrates, fiber, the recommended daily amounts, food allergies, and health concerns. With supportive and helpful language, readers are encouraged to make healthy eating choices to help keep them active, energetic, and strong. This 6-Pack includes six copies ...

Cuando Paula, una niña inquieta y curiosa, conoce al Guardián del Tiempo no se imagina la gran aventura que la espera. Ambos viajan cuatro mil quinientos años hacia el pasado y la pequeña se sumergirá de lleno en la época del Neolítico. ¿Qué singulares aventuras le esperan a la intrépida protagonista? Una historia de amistad, valentía y superación de dificultades.

This nonfiction Spanish book teaches students about producers and consumers, and introduces them to important scientific concepts and vocabulary terms like nutrient cycle, food web and photosynthesis. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.