Exploremos el ciclo de la roca (Exploring the Rock Cycle)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Mi nombre es Pla y soy una niña de 11 años que tengo como misión de vida cuidar el planeta, pues la naturaleza se está acabando. Cada vez es menos «natural» y más «humana». Pienso que llevar una vida sustentable es respetar la Tierra y a quienes nos rodean. Si lo hacemos, nos servirá para que los recursos duren más y podamos vivir de la mejor forma posible. Si cuidamos los recursos, el planeta logrará sanarse y bajará la temperatura que ha aumentado en las últimas décadas. Si bien los adultos toman muchas decisiones, ¡tú también puedes hacer lo tuyo y decidir vivir de mejor...

Un niño mendigo cuenta la historia de cómo un día un caballero le dejó su yegua para que la cuidase. Mientras espera su regreso, varios personajes se le acercan con distintos propósitos: un par de niñas, a las que pide dos barras de pan por dejarles tocar el animal, dos truhanes que tratan de comprárselo... Finalmente, llega un grupo de soldados y le advierten de que el caballo pertenece a un famoso salteador de caminos, Dick Turpin. Se esconden para atraparlo cuando vuelva, pero cae la noche y el niño, agotado, se monta en el caballo y escapa. Sin embargo, todo esto no es más que el ...

Collection of 50 traditional children's folk songs in English, with standard scores and TAB's. Graphic of every chord. A very good resource to start learning to play the ukulele, read music and learn English. Easy level. Great musical resource for the music classroom. Enjpy great music moments in family. Songs included: A tisket, a tasket – Aloha oe – Alphabet song – Amazing grace – Are you sleeping brother John ? – Aura Lee – Brahms’s lullaby – Buffalo gals – Down by the riverside – Five little monkeys – Happy birthday – It’s raining, it’s pouring – Kumbaya my...

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?).