El animador

Rita andaba siempre encogida y arrastrando los pies. Y no era porque le hicieran daño los zapatos, ni tampoco porque le pesara demasiado el abrigo en invierno, no. ¡Lo que Rita llevaba a la espalda y le pesaba tanto era una montaña enorme de miedos, manías y vergüenza! ¡Y se puede hacer tan poco con tanto peso encima!

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.

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

There's so much more to heat than hot and cold! How it moves, keeps us warm in the winter, and helps us cook our food is all part of this key science topic. Inside a colorful layout, the main text is written with struggling readers in mind, giving clear, concise explanations in understandable language to propel these readers to classroom success. Graphic organizers reinforce important topics for visual learners and those using the books as a "crash course" review of heat.