Los fósiles y las rocas

Students Will Love Learning More About Our Earth, Moon, And Stars In This Title. It Gives Information On The Phases Of The Moon, The Constellations Of Stars That We See In The Night Sky, Comets And Meteors, And What Exactly Happens During A Lunar Eclipse.

Three Quarters Of Our Earth Is Blanketed By Water. How This Water Is Used, From Bathing To Irrigating Crops Is Addressed. That Water Travels In A Never-Ending Pattern Called The Water Cycle. Tips On How To Conserve Our Most Important Natural Resource Are Included.

La celebración del Cinco de Mayo es una fiesta que recuerda la primera vez que las tropas imperiales de Napoleón III caían vencidas, demostrando que no eran invencibles. Y fueron vencidas en la Batalla de Puebla por un grupo en desventaja militar y numérica, para mayor deshonra de Napoleón III. Sin embargo, no es un día feriado en todo el país. En Puebla, por razones obvias, se celebra año a año, algunas veces incluso recreando la batalla. Pero no en el resto de México. En los Estados Unidos de América, en cambio, se celebra sólo en los estados del Sur que fueron parte de México, ...

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

Healthy Habits is a collection of four stories featuring the Chiminis, fictitious characters that live in the forest and are as small as pine cones. In each story, one of the Chiminis has an adventure that highlights the importance of hygiene, a good diet, and exercise, and offers general health advice.