Experimentos sencillos con la naturaleza

En este libro descubrirás: -Cómo elaborar y utilizar tu propio cuaderno para anotar tus hallazgos campestres. -Buscar el rastro que los animales dejan tras de sí, como huellas, restos de comida, madrigueras... -Hacer tú mismo comederos para animales en el jardín o en la ventana. -Por qué es tan importante reciclar aquella basura que pueda ser peligrosa para el medio ambiente. -Cómo cultivar tu propia cosecha en casa utilizando frutos silvestres, piñas o semillas. -Escuchar, oler y mirar con atención la naturaleza cada vez que damos un paseo por el campo.

La señorita Carola y sus estudiantes se encogen del tamaño de una gota de agua y aprenden, de primera mano, como obtenemos agua pura.

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

Readers find out what it's like for astronauts to eat, sleep, and work on a manned space flight in this adventurous, Spanish-translated nonfiction title. Children will discover what it's like to be weightless in zero gravity, how Mission control helps keep astronauts safe, and what astronauts do during their free time through vivid photographs, interesting, informative text, and stimulating facts.