Medida del tiempo en las carreras (Timing Races) (Spanish Version)

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.

Did you know that gases have no size or shape? Gases can become liquids when they get cold. Discover more interesting facts in Gases, part of the States of Matter series of EYEDISCOVER books.

Sótano es un libro multidisciplinar que os estallará en las manos, los ojos y los oídos. Macky Chuca saca la poesía del papel y la convierte en música, en sonidos, en imágenes. Porque sus versos están demasiado vivos, tienen demasiada energía como para quedarse quietecitos y dóciles en la página. En la poesía de Macky se mezclan la fuerza y la ternura, el humor y el desencanto, las ruinas cotidianas y la vitalidad de un alma irreductible. Cuando inicies el viaje por este sótano silvestre, comprobarás que no sales de él solo; encontrarás semillas en tu cabello, en tus bolsillos, ...

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Explains the study and teaching of the martial arts, emphasizing the philosophical aspects of this sport.