Técnicas básicas de enfermería

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 capital resources and how they work as part of our economy. This Spanish-translated text will teach young readers about the economy, while building their literacy skills and social studies content knowledge. Simple informational text features help students navigate the text, while primary source documents and images keep students engaged.

Diecisiete descubrimientos asombrosos que fueron claves y que marcaron el rumbo de nuestra historia. La mayoría de los hallazgos arqueológicos ocurren después de meses o años de investigación minuciosa y trabajo meticuloso..., pero a veces solo hay que estar en el lugar correcto en el momento adecuado para descubrir algo asombroso, ¡por casualidad! Este libro es una aventura en la que reviviremos algunos de los descubrimientos más sorprendentes y extraordinarios con los que se toparon personas normales y corrientes de distintas partes del mundo. Desde el hallazgo de Herculano a...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!