Cómo podemos utilizar el tornillo?

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

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.

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

How are crayons made? Clear wax is melted in a factory. Once it's melted, color is added to it, it is poured into crayon-shaped molds, cooled, and wrapped in a paper label. Sorted into sets, the brightly colored crayons are boxed and sent in trucks to stores to be sold to you.

While any number of books focus on farm, jungle, or ocean animals, Busca los animales de tu ciudad concentrates on the animals that children see most often—squirrels, ducks, dogs, cats, butterflies, and more. Photo-real illustrations and concise blocks of text provide information on where these animals come from, how they reproduce, and what they eat, providing kids with a greater understanding of the animals that form such an integral part of their cities. Aunque hay muchos libros que se enfocan en los animales de la granja, la jungla o el océano, Busca los animales de tu ciudad se...

La celebración de navidad contiene un lenguaje universal, es aquella celebración que se festeja dentro de todos los hogares del mundo. Los clásicos villancicos vuelven a escucharse en una vela de nochebuena, las estrellas vuelven a iluminarse en el cielo, el fervor de diciembre estremece nuestros cuerpos, y las familias regresan al lugar de origen para reencontrarse una noche más. La importancia de la navidad es fundamental dentro de nuestras vidas, simplemente es la consolidación de los perpetuos valores: fraternidad, voluntad, libertad, esperanza, empatía y amor. Aquellos valores que...