Los estados de la materia — Los gases

A grammar reference and activity book, this text provides explanations and practice of spanish grammar for both foundation and higher levels. There are exercises and examples, as well as suggestions for open-ended communicative activities.

La técnica y los secretos de un gran maestro del dibujo al alcance de todos. Horas de diversión y creatividad. Uno de los mejores ilustradores de Estados Unidos pone a nuestra disposición algunos de los trucos que ha aprendido a lo largo del tiempo en el terreno del dibujo. Este libro muestra paso a paso cómo realizar divertidos personajes. Basta comenzar con una forma simple (un óvalo, un cuadrado, etc.) e ir agregando algunas líneas también muy simples. El resultado es sorprendente. La obra demuestra hasta qué punto uno puede realizar divertidos dibujos sin necesidad de ser un...

Rosa always gets blamed when someone misbehaves. But she's very observant and knows how to find the real culprits. Will you be able to discover who it was? Play case by case and find the culprit by carefully observing the scene. Can't figure it out? Just pull the flap and find the solution!

Like all living things, plants need to reproduce to survive. Wind, water, animals, and people all play a role in this process. This nonfiction Spanish book teaches students about plant reproduction, and introduces them to important scientific concepts and vocabulary terms like angiosperm, gymnosperm, gametophyte, and pollination. 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...