70 preguntas curiosas sobre el mundo que nos rodea y sus asombrosas respuestas

Intermediate. In 1985, elite mountaineers Joe Simpson and Simon Yates set out on a spectacular adventure: climbing to the highest peak of the Peruvian Andes. Would their years of planning pay off? From the reader series Aprende Español Con..., which features stories based on modern films and television series, carefully adapted for Spanish language students. Includes an Audio CD of the text, supplementary materials for teachers, and before and after activities for students.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.

In the oversized book, ten endangered species are presented in great detail. The charcoal illustrations capture the textures of the fur, feathers, and skin of each animal. Poetic text teaches children about the behavior and characteristics of each one. More scientific information is provided at the end.