La carta de derechos

Defines pulleys, 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.

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

Por fin llegaron las tan anheladas vacaciones y Florencia, junto a su familia, emprende un largo y accidentado viaje a la playa. Todo lo viven con entusiasmo, energía y buen humor. Hasta los problemas los viven con una sonrisa. Su mejor amigo llegará a visitarlos, y con él experimentarán una serie de aventuras e historias, cargadas de misterio y emoción. La más importante, la excursión a una lejana playa desierta, los hará pasar el gran susto de sus vidas, y reforzará los lazos que los unen.

Images of Rainbow Fish's undersea world, from a red starfish to a brown snail, reinforced by facing pages in the appropriate color, teach the colors. On board pages.

In graphic novel format, describes the history of Texas and the Alamo's place within it, focusing on the events occurring during the siege at the Alamo in 1836.

Learning about a career as a molecular biologist is the perfect introduction to the practical applications of STEM. This career-focused book aims a microscope at molecular biology, helping readers understand DNA, genes, and the systems within a cell. Readers will also learn about advances in the field and how to work towards a job as a molecular biologist. Accessible text is paired with vivid visuals to keep readers’ interest as they learn more about this STEM topic. A graphic organizer and fun fact boxes present additional information to ensure a dynamic learning experience.