Cómo podemos utilizar la polea?

El Mayflower es un barco que ha llegado a ser célebre en la historia de los Estados Unidos porque en 1620 transportó desde Inglaterra al grupo conocido como "los peregrinos", quienes serían los primeros colonos europeos en establecerse en Norteamérica. Ellos zarparon desde el puerto inglés de Southampton y bautizaron como Nueva Inglaterra a la tierra que los acogió. Como señala este libro, el Pacto del Mayflower designa el acuerdo que los hombres adultos de esta comunidad firmaron a bordo del barco para fijar criterios generales que sirvieran como fundamento para el gobierno de la...

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Introduce students to the scientific method with this Spanish science reader that features easy-to-read text. This book teaches important scientific topics and vocabulary terms including hypothesis, data, experiment, conclusion, method, research, and more. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Who wants new pants? Not this little boy! He wants to keep his old, worn, torn, too-small pants. His mom does not agree.

Cuerpo y saber está compuesto por tres capítulos que reflexionan sobre el objeto de estudio de la psicomotricidad. El primer capítulo, que da nombre al libro, se ocupa del desarrollo de las díadas conceptuales saber-conocer, cuerpo-organismo, motricidad-psicomotricidad. El segundo, "Edipo en el Árbol de la Sabiduría", despliega una lectura del mito de Edipo, desde la perspectiva del objeto de estudio de la psicomotricidad, lo cual da cuenta de cómo una persona sin conocimiento de su pasado orienta su destino utilizando los elementos inconscientes del saber que su experiencia corporal...