Los invertebrados increíbles

Give students insight into the Industrial Revolution, how it influenced innovation and employment in the United States, and how it changed the lives of Americans at the beginning of the 20th century. With this nonfiction Spanish-translated book, readers will learn about assembly lines, patents, labor unions, child labor laws, labor unions, muckrakers, and immigrant and slave labor. Colorful images, supporting text, a glossary, and other features keep students engaged and help them better understand the content.

Una reflexión teórico práctica sobre el papel que juegan la Historia de la Ciencia y la Filosofía de la Ciencia, en la enseñanza y aprendizaje de las Ciencias. El autor sostiene que hasta ahora ha predominado en la enseñanza, la adquisición de conocimientos y propone introducir el contexto de descubrimiento como un factor sumamente eficaz el aprendizaje de las ciencias.

Eleven-year-old Jenny, whose family came from Russia to America to start a new life, meets the famous Russian composer on his 1891 trip to the New World and writes about it in her diary.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...