Triceratops

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

Can you find what is round? What is square? In this bilingual English / Spanish edition from Eric Carle, creator of The Very Hungry Caterpillar, children can find the bottom half of a page that matches the top half. Find the right pairs, and you will learn to identify all kinds of shapes. From dome-shaped ladybugs to diamond-shaped kites, this clever board book makes learning fun.

La contaminación del medio es, sin lugar a dudas, una preocupación de quienes habitamos este planeta, aunque con frecuencia no sepamos lo que opinan los divulgadores de la ecología. Planeta azul, planeta gris ofrece, a través de un relato ágil que se desarrolla en una escuela preparatoria o de educación media superior, las diversas formas de contaminación que afectan nuestro entorno. Mónica Lavín Maroto es una destacada escritora. Estudió la carrera de biología en la Universidad Autónoma Metropolitana-Xochimilco y trabajó en el Instituto de Ecología. Ha sido colaboradora de las...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of conditionals. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how conditionals work in the real world. In this book, readers will learn what laws are and what happens if you break them. This nonfiction book is paired with the ...