Como crece un tiburon / A Shark Pup Grows Up

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

Helps students successfully pass written and oral examinations, offering techniques for memorizing, creating, and summarizing all kinds of texts.

Willyrex y sTaXx sufren una repentina transformación de origen desconocido. Ahora se han vuelto pequeños y, por tanto, están indefensos: casi cualquier cosa supone un peligro para ellos. Tras el desconcierto inicial y un primer susto, viajarán hasta una gran ciudad y, camufl ados en el bolsillo de un famoso periodista, vivirán una aventura extraordinaria en la que tendrán que emplearse a fondo para salir con buen pie. ¿Serán capaces Willy y sTaXx de detener la amenaza a la que se enfrentan? ¿Lograrán recuperar su tamaño? ¡No te lo pierdas!

Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us.