Cynthia Ann Parker

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

El antiguo marinero bilbaíno Martín Saldías se convierte en espía para servir los intereses de don Carlos durante la primera guerra carlista. Tiene que llevar un mensaje que contiene una información muy importante para el desarrollo de la guerra. En el camino, para unos días en un campo militar carlista.

Cocó deja su hogar en Shangai para irse a Nueva York. Allí conoce a Muju, un japonés con el que inicia una relación llena de pasión y complicidad. Pero llega el momento en que la perfecta química que existe entre los dos empieza a resquebrajarse, y aparece Nick, un neoyorquino rico y con glamour que perturbará los sentimientos de Cocó.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.