En el acuario (At the Aquarium) (Spanish Version)

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!

Learn about the history of the Olympic Summer Games! This classroom resource helps students learn about how time and measurement relate to hosting the Olympics. Included in this nonfiction text are mathematical graphs and charts to help students develop content-area literacy in mathematics. This Spanish book includes practice problems, a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

Febrero de 1808. Las tropas francesas llevan acantonadas en España. Se respiran aires inciertos y nadie sabe cuáles son las verdaderas intenciones de Napoleón. Cuando Franz Giesler, partícipa de una conspiración que mantiene en jaque al Imperio francés, aparece cruelmente asesinado, su hijo emprende un largo y peligroso viaje a través del país en guerra. El rastro de su padre le sumergirá en una trama de proporciones insospechadas, un complejo mecanismo de relojería cuyo eje, un terrible secreto, podría hacer tambalear el futuro de Europa. A lo largo de su búsqueda, desde la...

Tom es un tortuguito gris al que todos llaman lento. Cansado de esta situación, después de hablar con la caracola Pita, cambia poquito a poco su actitud.... Sin darse cuenta algo se transforma en él y así, en los demás también. Una historia simple y tierna para hablar con los más pequeños de aceptación, diversidad y empatía.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!