Los ciclos de vida de los peces (Fish Life Cycles)

"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."

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Introduces students to the alphabet and letter sounds and helps improve their Spanish-language skills.

Simple text and photographs show how common shapes can be put together to create new and different ones.

Invierno, primavera, verano y otoño--las estaciones son uno de los ciclos más familiares de la naturaleza. Pero, ¿por qué cambia el clima? Aprenda por qué los patrones climáticos cambian a lo largo de las estaciones. Winter, spring, summer, and fall--the seasons are one of nature's most familiar cycles. But why does the weather change? Learn why weather patterns change over the seasons.

Mateo Chamero es un niño obeso de ocho años al que su madre quiere obligar a adelgazar. Su compañera de pupitre, Ana, está muy enferma. Mateo quiere ayudarla, pero no sabe cómo. ¿Encontrará el modo de hacerlo? Una estupenda historia que resalta los valores de la amistad y la superación de dificultades.