Los ciclos de la Tierra (Earth's Cycles)

Alexa y otros ni�os de su escuela en Costa Rica tienen un proyecto especial: ellos est�n criando cocodrilos americanos. Ella nombra a su cocodrilo "Jefe" porque parece que �l est� a cargo de los otros. Alexa le trae pollo y ranas para comer y escribe acerca de su progreso en su diario. Muy pronto, su peque�o cr�o est� tan grande como una barra grande de pan. Se ha convertido en un cocodrilo joven y es tiempo de que Alexia le diga adi�s y que Jefe regrese a la vida salvaje.

This book teaches early readers about the many things that are found in a grocery store. Engage students in reading as they develop their comprehension and literacy skills and learn basic concepts. Featuring exciting TIME For Kids content, this full-color Spanish book will keep students engaged in reading and learning. Aligned to state and national standards, this text introduces students to simple informational text features including a glossary, vocabulary list, and bold font.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of problem decomposition. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how problem decomposition works in the real world. In this book, readers will learn how to break down their research into different kinds of sources. This ...

This starter volume uses everyday examples such as a baseball and a beach ball to demonstrate the contrast between hard and soft objects.