Los cinco sentidos (Five Senses)

Posing questions which range from the most unusual matters to the most elementary ones, Questions that make your hair stand on end 2 focuses on the Earth and the Sun. Readers will be able to entertain themselves with very illustrative experiments and will also get to know what is so special about the Eiffel Tower, who Diogenes was, why Magellan lost a day on his way, why we get goose bumps, how can temperature be measured with a cricket, among other curious facts. In addition to the recognition of critics and readers, Questions that Make Your Hair Stand on End 2 was awarded the Premio...

Find out how tools have helped people hunt, build, and make life easier in this engaging, Spanish-translated nonfiction title. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

Desde la más remota antigüedad las personas han sentido fascinación por la luna, el astro más cercano a nuestro planeta. Los babilonios y los aztecas, por ejemplo, confeccionaron calendarios muy precisos basándose en las observaciones de la luna. Nuestro satélite natural en el momento en que se encuentra más cerca de la tierra está a 365.000 kilómetros de distancia. El estudio de la luna tuvo un gran impulso cuando el gran científico italiano Galileo Galilei inventó el telescopio en 1610 y con ayuda de este instrumento pudo realizar interesantes observaciones que le permitieron...