Grandes Maquinas

Este libro contiene 90 entrena-mentes, actividades diseñadas para mejorar el funcionamiento de tu cerebro: ejercicios de memoria, juegos de palabras, problemas numéricos, retos visuales, códigos secretos, variantes divertidas del sudoku...

Un halcon peregrino (Kan) abandonando su nido, encontrara a la que sera su companera de viaje (Sopdu). Con ella iniciara, a traves de Asturias, un viaje fantastico cargado de anecdotas e historias. A vista de halcon, contemplaran asombrados la belleza del territorio Astur, valles, rios, pueblos y ciudades. Viviendo una singular y apasionada historia.

This title explains what time is and the different kinds of ways, like seconds and hours, to measure it. It also gives everyday examples of things that have to do with time. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Junior is an imprint of Abdo Kids, a division of ABDO. Translated by native Spanish speakers--and immersion school educators.

What causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.