Refuerzo de lengua. 2o ESO. Cuadernos de lengua

This folklore treasure chest is filled with tongue twisters, riddles, poems, songs, and stories. These timeless tales, and the Victorian illustrations that accompany them, highlight the joys of children's daily activities. Text copyright 2004 Lectorum Publications, Inc.

Read Along or Enhanced eBook: From tide pools to the ocean, the sea is filled with amazing life forms! Early readers will be engaged from beginning to end with informational, Spanish-translated text, vivid photos, and a picture glossary of marine animals.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!