Experimentos con la luz

Alexa y otros ni�os de su escuela en Costa Rica tienen un proyecto especial: ellos est�n criando cocodrilos americanos. Ella nombra a su cocodrilo "Jefe" porque parece que �l est� a cargo de los otros. Alexa le trae pollo y ranas para comer y escribe acerca de su progreso en su diario. Muy pronto, su peque�o cr�o est� tan grande como una barra grande de pan. Se ha convertido en un cocodrilo joven y es tiempo de que Alexia le diga adi�s y que Jefe regrese a la vida salvaje.

How many hockey sticks are there? How many hockey players? Beginning readers will enjoy learning to count cardinal numbers with this brightly illustrated Spanish book! Featuring vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning to count is fun and easy with this engaging text!

Rabbit burrows play an important part in the life of a rabbit. A burrow provides a place to live, a place to raise baby rabbits, and a place to stay safe from predators. This volume, which was written to support elementary science curricula, examines the role a burrow plays in the survival of a warren, and how that in turn helps rabbits contribute to ecosystems around the world. The text’s age-appropriate, science-rich content focuses on rabbit behavior and encourages readers to draw connections between what they learn in science class and what they see outside. This text is complemented by ...

When her mother was worn out from caring for her five sisters, her father gave her lessons in brushwork and color. When polio kept her bedridden for nine months, drawing saved her from boredom. When a bus accident left her in unimaginable agony, her paintings expressed her pain and depression - and eventually, her joys and her loves. Over and over again, Frida Kahlo turned the challenges of her life into art. Now Jonah Winter and Ana Juan have drawn on both the art and the life to create a playful, insightful tribute to one of the twentieth century's most influential artists. Viva Frida!