A Veces Siento Tristeza

Introduces equipment and devices commonly found in a science laboratory, including beakers, a hand lens, a microscope, and telescopes, and describes their use.

Amphibians can be found all over the world. There are more than 7,500 kinds of amphibians living in streams, rainforests, deserts, and everywhere in between. Many of them are in danger due to a deadly fungus, but help is on the way! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in ...

Who wants new pants? Not this little boy! He wants to keep his old, worn, torn, too-small pants. His mom does not agree.

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...