Dónde vive la gente

Los terremotos pueden dejar en malas condiciones a las personas y las propiedades. A veces, pueden ser mortales. Descubra la ciencia del estudio de los terremotos y los hombres y mujeres que rastrean los movimientos del suelo debajo de nosotros. Creado en colaboración con la Institución Smithsonian, este libro en español despierta la curiosidad sobre los temas de STEAM a través de ejemplos del mundo real. Cuenta con un desafío STEAM práctico que guía a los estudiantes de inglés a través de cada paso del proceso de diseño de ingeniería. Inspire a los estudiantes a seguir una carrera ...

Have you ever thought about how a soccer field is different from a football field? Or how a tennis court is different from a basketball court? Each sport has a surface with a purpose! Explore partitioned shapes with this Spanish math book that seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams...

Earthquakes can leave people and property in bad shape. At times, they can be deadly. Find out about the science of studying earthquakes and the men and women who track the movements of the ground below us. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It makes STEAM career...

What does the phrase "once in a blue moon" refer to? What is the difference between a waning gibbous moon and a waning crescent moon? What is the atmosphere on the Moon like? How does the Moon create tides? Students will learn the answers to these questions and more as they read all about the Moon! This nonfiction Spanish book introduces students to important scientific concepts and vocabulary as they are engaged in reading. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the fun lab activity...

Examines the nature of circles and spheres, including their properties, how they are related, and where they appear in nature.

La Asociación Española de Sexología Clínica ha escrito los textos de esta colección con el fin de responder a la curiosidad de los niños y enseñarles de una forma natural, adaptando cada cuestión a su edad y explicando las cosas de un modo sencillo, aunque riguroso, acompañado además de graciosas ilustraciones. Este libro aborda las relaciones sexuales y afectivas de la pareja, el proceso de fecundación, así como los métodos anticonceptivos.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.