Los ciclos de vida de los insectos (Insect Life Cycles)

There are thousands of species of bees, and not all are yellow and black. However, the telltale yellow and black of the honeybee and bumblebee are the best known. Beginning readers explore the world of bees and find out what keeps them busy all day. From flying from flower to flower to making honey, the details in this book are both familiar and new to curious future entomologists. Full-color detailed photographs complement the low-ATOS text, making it the perfect addition to any early elementary library or classroom.

Ants are known as one of nature's hardest working animals. Their strength and persistence in bringing food to their colonies have been well documented. Now, beginning readers have a chance to learn about some of the littlest bugs in this volume written just for them. Complete with information about what ants eat, how they live, and generally how they stay so busy, this book is a must-have to satisfy the curiosity of your youngest naturalists. Eye-catching and unique photographs complement the low-ATOS text and aid in comprehension.

Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very different. However, they’re very similar. Readers learn the basic structure of the mammal life cycle through simple language and accompanying diagrams that show the cycle step by step. The main content offers a way for struggling readers to more easily learn an important science curriculum topic, but can also be a great review tool for any reader.

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

En una época de multiculturidad, en la que nuestro vecino puede ser de algún país que desconocemos, en la que nuestros hijos crecen al lado de otros niños y niñas de distintos orígenes, la colección «Caballo viajero» nos presenta las particularidades de algunas culturas del mundo de la mano de los personajes de la reina Trotamundos y el caballo viajero.

El libro del pan (The Bread Book) helps Spanish readers strengthen their multiplication, division, and fractions skills while learning interesting facts about bread. Students will learn about wheat grain, nutrition, and bakeries with this nonfiction math reader. This classroom resource includes a glossary, engaging images, mathematical diagrams, and a fun historic timeline of bread to help students develop their math and reading skills.

En el Ártico, cada vez se derrite más hielo en verano. Esto es un gran problema para los osos polares, que necesitan el hielo para sobrevivir, y también es un gran problema para todo el mundo, por que todo nuestro planeta necesita el hielo del Ártica para