Abejas (Bees)

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

"Amphibians have some of the most interesting life cycles on Earth. The metamorphosis frogs, toads, salamanders, newts, and caecilians go through has many steps that readers need to understand and remember. This book offers a concise overview of the general amphibian life cycle as well as representative examples of the many species within the animal group. Most importantly, the accessible language is paired with diagrams of the steps of the life cycle to augment readers' understanding of this topic often found in the science curriculum."

En los fragmentos elegidos para esta edición se narra el momento exacto en el que la tierra estremeció a los habitantes de la ciudad de México el 19 de septiembre de 1985. Musacchio elabora una suerte de testimonio histórico a partir de la reacción de los habitantes ante la tragedia; documenta la parálisis de la vida cotidiana y la ineficacia de las autoridades.

What keeps objects from floating out of your hand? What if your feet drifted away from the ground? What stops everything from floating into space? Gravity. As in his previous books, Redwoods, Coral Reefs, and Island, Jason Chin has taken a complex subject and made it brilliantly accessible to young readers in this unusual, innovative, and very beautiful book.

¿Qué tan preparado estás para criar a tu bebé durante sus primeros meses de vida? Pocas cosas pueden comprarse con los primeros meses de vida de un bebé, pues son los que tendrán el mayor impacto en su desarrollo e infancia. Sin embargo, tanto los padres primerizos como los veteranos concuerdan en que el primer año de vida de un bebé es de las etapas más difíciles de enfrentar. Con esta guía, aprenderás lo siguiente: Cómo alimentar a tu bebé apropiadamente para promover su desarrollo y salud en su primer año de vida. Cómo lograr que tu bebé tenga buenos hábitos de sueño y...

In an entertaining way, shows how to add, subtract, multiply, and do long division without a calculator.