¿Están Locos los Científicos?

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

Provides a basic introduction to rainbows, including how and when they are formed. Presented in English and Spanish.

This informative Spanish-translated book gives readers a look into the Constitution and the Bill of Rights. Readers will learn about the three branches of government--executive, legislative, and judicial--as well as the way each of those branches works to keep order and the various aspects including Congress, the Supreme Court, the House of Representatives and the Senate. Featuring detailed images, stunning facts, and supportive text, this book will have readers interested, engaged, and eager to learn more about the development of the Constitution. Other featured topics include the Federalist ...

Quizá los trilobites no sean tan espectaculares como los grandes dinosaurios. Sin embargo, estos pequeños seres prehistóricos –los cuales vivieron durante el periodo Cámbrico, es decir hace 542 millones de años–, tienen mucho que decirnos sobre el pasado remoto de la Tierra y sobre los seres vivos en general. Su fascinante anatomía, por ejemplo, guarda curiosas similitudes con otros animales y con un sinfín de objetos de uso común hoy en día. Este ameno libro toma a los trilobites como tema para hablarnos de la biología pero también de ingeniería. Los autores se refieren lo...