Fundamentos de energía solar fotovoltaica para los grados de titulaciones científico-técnicas

Sergio, un niño pequeño, detesta a los monstruos que todas las noches aparecen en su habitación. Hasta que se harta de tener miedo y decide buscar una manera de acabar con ellos de una vez por todas. Una historia divertida que enseña la necesidad de afrontar los problemas de la vida.

In cartoon format, uses zombies to explain the science of forces and motion. Fully translated Spanish text.

Born into slavery, Frederick Douglass relied on his own determination and ingenuity to carve a path to freedom. Once free, he dedicated his life to improving the lives of others and fighting for justice and equality. This inspirational Spanish biography uses primary sources to engage students in learning about the fascinating life of Frederick Douglass. Students will build their literacy skills as they are immersed in social studies content. Text features include a glossary and an index to increase comprehension and academic vocabulary.

Introduce students to world trade with this nonfiction Spanish book. Young readers will learn about the various services and goods that countries around the world provide, the different types of currency, and the difference between wants and needs. With images that support the text, students will be fully engaged and better understand the content.