Hasta que el cielo se apague

Practice addition while having fun in the sun! This charming, Spanish-translated title uses examples of outdoor activities to help children learn addition, number operations, and early STEM themes. Vivid, familiar images, mathematical diagrams, and engaging "You Try It!" problems make addition simple and fun for young readers. Add one slide and two slides to get three slides! Add kites, shells, pinwheels, and more!

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

Por qué covid asusta al mundo & Covid está aquí, ¿Y ahora qué? En este libro la historia continúa desde el punto de vista de Covid. ¿De dónde viene Covid? ¿Por qué Covid se puso tan agresivo? ¿Por qué infectó a la gente? ¿Cómo llegó a Alemania? ¿Cómo podemos protegernos? ¿Quién soy yo? ¿Qué estoy haciendo en el cuerpo humano? Cómo los médicos quieren acabar conmigo. Cómo respondió el mundo a la pandemia. El misterio del papel higiénico.

Some of the most powerful things in the world are so tiny they can't be seen with the naked eye! Readers will be amazed at what they see when they take a glance at the world of the mini but mighty in this stunningly fascinating Spanish-translated nonfiction title that features remarkable images and graphics, informational text, index, and glossary. Through these features, readers are able to explore and discover such micros as DNA, atoms, bacteria, phytoplankton, and nanotechnology items like nano-robots and microchips!