Incremento de la energía

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Explains The Early History Of How The Bill Of Rights Came To Be And How It Is Used To Protect Citizens.

Las Dino-historias conjugan dos pasiones de muchos niños y jóvenes: los cómics o historietas y los dinosaurios. Conoce la fascinante historia de este gigante del período Jurásico. Al ser un espécimen de sangre caliente, el branquiosaurio requería de grandes cantidades de energía que obtenía comiendo hojas de las copas de los árboles, por eso es que tenían un cuello tan largo.

George Washington Carver was a skilled botanist who became famous for his work with peanuts and other plants. Readers will discover the captivating life of this incredible scientist in this engaging scientific biography translated in Spanish. Using colorful photos and graphs, children will learn why Carver was known as "The Plant Doctor" as a child and how his work with peanuts, sweet potatoes, and pecans helped change the way people used plants! The helpful glossary and index aid in better understanding of the content, while a simple, interesting experiment leaves Spanish-speaking children...

En este cuento para niños, Papá Ratón tiene mucho trabajo en el jardín y quiere que Ratoncito le ayude. Pero Ratoncito está ocupado inventando algo.

Practice two-digit addition and subtraction while planning a family reunion! This charming title encourages young readers to use subtraction skills and STEM concepts to help plan the reunion by determining how many people are attending and how much the family will need to accommodate everyone. Add up the tallies to determine where the reunion should be! Calculate how many children are attending by subtracting the number of adults from the number of total guests! Examples like these and more pair with helpful mathematical charts and vivid images to make useful skills like addition and...