Conservación de la masa (Conservation of Mass)

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. 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....

Let’s Make a Volcano Spanish Edition. What do you know about a volcano? When a mountain erupts, it explodes! Hot melted rock, called lava, comes out of its top and flows down the side of the mountain! People need to keep away from real volcanoes, but you can have fun making your own volcano!

Lorenzo, a quien ya conocimos gracias a Diario de un cazador, reemprende su diario tras haberse casado con la Anita. Ahora, unos tíos de ella, residentes en Santiago de Chile, los animan a probar fortuna en América, ofreciéndoles hogar y trabajo. A través de las cómicas anotaciones de Lorenzo, Miguel Delibes nos describe —con desenfadada llaneza y una buena dosis de malicia— los cotidianos incidentes de la pareja, llena de sueños e ilusiones, alternando el relato de las peripecias en Chile con un fino y sagaz análisis psicológico de sus sentimientos de recién casados, de sus...

Journey through Earth's wet and wild rainforests with vivid photographs of the most unique plants and animals in the world's most untouched forests. Readers are introduced to the importance of protecting the rainforests and vocabulary related to the rainforest and its amazing inhabitants.

Sing Along With Dr. Jean And Dr. Holly To Learn About How We Can All Work Together To Take Care Of The Earth.