Calentamiento global (Global Warming)

Nearly 75% of planet Earth is covered in water and 96% of it is found in the ocean. We know more about outer space than we know about the depths of the ocean, but through the use of modern technology, scientists are shedding light on the Earth’s hidden underwater world. This nonfiction Spanish book explores the Earth’s oceans in depth and introduces students to new concepts, vocabulary terms, and STEM topics. Aligned to state and national standards, the leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like...

Describes the impact of the light bulb and effective indoor electric lighting, and recounts the life and career of their inventor, Thomas A. Edison.

Los minerales y los fósiles han despertado siempre una viva atención por la posibilidad de entender, a través suyo, cómo se originó nuestro planeta y qué sucedió en él hace millones de años. En cuanto a los minerales, su interés se puede centrar en su composición, estructura y utilidad, pero su coleccionismo (búsqueda, identificación, preparación y exposición) constituye una afición de alto valor pedagógico y, también, de disfrute. En estos dos sentidos, el apartado de minerales de este Atlas, resulta sumamente práctico y atractivo. En cuanto a los fósiles, resulta...

Got a fan of snakes, lizards, and turtles? Dig into this beginner's guide to reptiles from Cathryn and John Sill, creators of the award-winning About... series. Author and educator Cathryn Sill explains in simple language the basic characteristics that all reptiles share, while offering a look at many of the animals that fall into this diverse category, including ever-popular lizards, snakes, and turtles. The beautifully detailed paintings of noted wildlife illustrator John Sill depict reptiles in their habitats and highlight their unique aspects. An afterword provides more detail on each...

Discusses the discovery and escavation of King Tutankhamen's tomb and the myth of the curse that seemed to afflict those involved in the tomb's exploration.