Los biocombustibles

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

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.

Este libro explora que es lo que sucede dentro y fuera de nuestro mundo, desde un volcán incadescente al Polo Norte helado.

Suitable for training advanced level students in writing texts in different styles and registers in Spanish

One dog in a teacup, two caterpillars on a leaf, three horses having a conversation... Fun photographs and simple text help introduce young readers to counting numbers from zero to ten. A fish-counting activity encourages young readers to practice their counting skills.