Una colonia de Pingüinos (A Penguin Colony)

Prepárate para conocer los datos más curiosos sobre ciencia, historia y naturaleza, y hazlo con mucho humor y todo el rigor de National Geographic. ¿Por qué necesito comer? ¿Por qué juegan los animales? ¿Por qué eran comunes las pirámides en el mundo antiguo? ¿Por qué las pelotas de fútbol americano no son redondas? En este libro, encontrarás más de 1 111 fascinantes respuestas a preguntas sobre cosas que todos los niños quieren saber. Desde el clásico «¿por qué el cielo es azul?» hasta cuestiones más insólitas, como «¿por qué es imposible cavar un hoyo que atraviese...

En el acuario (At the Aquarium) engages students in reading about aquariums as they learn how to calculate volume. Volume helps aquarium designers figure out everything from the shapes and sizes of tanks to how much water is needed to fill them. This nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...