Energía del viento

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Motmota es una marmota entrañable, ingeniosa y tierna... Es muy fácil divertirse con sus geniales despistes. En este título de la serie SIENTE, Motmota te demostrará que, sin duda, tiene la cabeza en las nubes, ¡pero el corazón junto al de sus amigos!

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).

Toda la sabiduría popular de ayer y de siempre está presente en las agudas adivinanzas que pondrán a prueba la mente de los niños, obligándoles a razonar e imaginar, completando así su formación académica. Los trabalenguas que se incluyen son la manera más natural de acercarse al lenguaje por medio de la diversión, ayudándoles a mejorar su expresión verbal y su dicción.

Goodnight, My Love! - Spanish book for kids "Goodnight, My Love!" by Shelley Admont won the Gold Medal in 2019 Readers' Favorite annual international book award in the Children - General category Alex finds it hard to go to sleep, so he starts making up excuses. After reading a bedtime story, his father suggests planning a dream that he would like to see when he falls asleep. Find out where their imagination takes them as they plan his dream together. This bedtime story will help kids feel loved and relaxed, preparing them for a peaceful, sleep-filled night.