Hidroplanos/Hydroplanes

If asked to define a forest, readers might say, "It has a lot of trees." But many places have a lot of trees. So, what makes a forest a forest? Readers discover that a forest is unlike any other biome on Earth. And a temperate forest is even more specific. Readers learn the many life cycles found within a forest and how the energy pyramid explains the numbers of forest plants and animals. In addition, readers learn by examining how forces usually considered destructive work to help forests survive. 32pp.

Introduce students to Martin Luther King, Jr. with this Spanish-translated biography featuring dynamic primary source documents. Readers will learn about Civil Rights Movement leader and his inspirational life as he fought for equality and desegregation for African Americans through nonviolence. Students will also discover topics such as discrimination, sit-ins, the Nobel Peace Prize, and the March on Washington. Informational text features help students navigate the text.

Vivid photographs and bilingual text explain each food group, revealing how each group is important for good health, how to make healthy choices, and fun things children can do to stay in shape.

Técnico electricista 16 – Curso visual y práctico Circuitos en instalaciones eléctricas En esta clase explicaremos los valores de carga y los tipos de cable usados en las líneas definidas en una instalación eléctrica. Veremos el esquema general de instalación y el circuito de alumbrado y tomacorrientes, aprenderemos el proceso de determinación de corrientes máximas para bocas de iluminación, tomacorrientes y protección. Tambien detallaremos los criterios para determinar la cantidad de bocas por circuito y veremos los circuitos de usos especiales y específicos.