Ondas sonoras y la comunicación (Sound Waves and Communication)

El autor y el ilustrador de Los Futbolísimos presentan un nuevo libro de la serie Los Forasteros del Tiempo. Ya sé que suena un poco raro, pero de un tiempo a esta parte no hago más que viajar en el tiempo a través de un agujero negro. Bueno, yo solo no, me acompañan mis hermanos, mi padre y unas vecinas. Esta vez hemos aparecido en el imperio romano, que es una época muy interesante y emocionante, y además hemos conocido a un montón de amigos nuevos; yo, incluso, me he convertido en gladiador y he luchado contra un león. Aunque en realidad lo que de verdad deseo es volver a casa con ...

Quick Minds is an exciting, six-level course for young learners in Spain that enhances your students' thinking skills, sharpening their memory while improving their language skills. The Activity Book mirrors the content of the Pupil's Book. It practises the core vocabulary and grammar and consolidates skills development, with a variety of exercise types. 'Do that!' sections provide opportunities for speaking, while the Review and Culture sections provide extra listening practice and 'Get it right!' pages cover problem areas for Spanish speakers. A Grammar Practice section at the end of the...

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

Everyone needs to get along well with others. We need to share, listen, and be kind. Let's explore ways to get along well with others! The Me Pregunto (I Wonder) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.