Energía del viento

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

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman. This 6-Pack includes six copies of this title and a lesson plan.

Un cómic sobre los mamuths y su más grande depredador: el homo sapiens. Ser un mamuth no era nada fácil. Había que buscar comida entre los amplios y fríos pastizales del norte, huir de las heladas y sobrevivir a todos los depredadores que te veían como platillo principal. Si no era una manada de dientes de sable quien te acechaba, era una de homo sapiens. Mamuth narra en formato de cómic la difícil vida de esta especie, perseguida por los antiguos humanos, y cuya extinción, se sospecha, fue causada por su caza desmedida.

Trying to figure out a difficult math problem is hard, but sometimes dealing with your social life at school can be even harder. Figuring out friendships, managing time, and learning about yourself are all important parts of growing up. This title will allow students to determine the main idea of a text and explain how it is supported by key details; summarize the text.