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Consolidates the Student's Book lessons with targeted practice, unit by unit Additional practice of reading, writing, speaking, listening and use of English skills Extensive grammar and vocabulary practice Complete practice exam in Unit 10 Designed for independent study at home and practice in class Audio for listening lessons available on the Student's App

Plants are the living things that have been on the planet longer. How do they manage to protect themselves if they can't move? Explore the different mechanisms that plants use to survive in different habitats.

Explores The Machines Used And The Physics Involved That Make Moving From One Level To Another In A City Environment Easier.

Esta minienciclopedia te muestra cómo son y cómo viven esas pequeñas criaturitas a las que llamamos bichos. Más de 150 fotos y textos sencillos para descubrir el mundo de los bichos y todo sus misterios.