Obedecer las reglas

Summarizes how water changes from a solid to a liquid and back again, and introduces related facts such as that water freezes at thirty-two degrees Fahrenheit and that ice floats.

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

Read Along or Enhanced eBook: Find out what surfers need to know to have fun and stay safe in the water in this engaging, Spanish-translated nonfiction title! Invite readers to learn about the history of surfing, surfing culture, what equipment is needed, and more using vibrant images and informational text in conjunction with math skills and upper-level features such as chapter format, a glossary of terms, and an index.

Programa Viveros Sin Fronteras: agricultura urbana desde los hogares.Desde niño me ha fascinado el universo del reino vegetal, he sembrado y cosechado: maíz, ajíes, zapallos, calabazas, tomates, rabanitos, lechugas Etc. Como la mayoría de agricultores urbanos, aprendí en la práctica, mis principales maestros fueron mis familiares, amigos, profesores, que me compartieron sus saberes y creencias. Viví mis primeros quince años de vida en Piura, y mi relación extraordinaria con las plantas fue lo que marcó mi existencia.Las primeras páginas de este libro, las escribí en los arenales...

Granpa has given Frederick a gift: a sealed box. It talks and contains all the knowledge of the world. This is the story of Frederick and his box, and many information about nature and ecology. For children 9 and up.

Discusses the difference between secrets that are fun to keep and those that make people unhappy, and encourages youngsters to confide in their parents or another trusted adult such painful matters as bullying or improper touching.