Las Mujeres en la Química

You can see shapes all around you when you go on a picnic! Beginning readers will enjoy finding the circles, triangles, squares, and hexagons in this brightly illustrated Spanish book. With vibrant images and easy-to-read text, this full-color text uses a real-world example of a picnic to teach math concepts in everyday settings. Beginning readers will develop their math and reading skills and be introduced to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills....

Martha Ann tiene 12 anos de edad cuando Papa logra reunir el dinero suficiente para librarla de la esclavitud. En 1830, la familia entera abandona el este de Tennessee para comenzar una vida nueva en Liberia. En los dias de mercado, Martha Ann contempla los barcos de la marina britanica que patrullan la costa liberiana para impedir que los cazadores de esclavos secuestren a su familia y amigos y les devuelvan a la esclavitud. Martha Ann decide dar personalmente las gracias a la reina Victoria por haber enviado a la marina. Pero primero tendra que hallar el modo de recorrer las 3500 millas que ...

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.

El niño Claudio se fija en las cosas que ocurren en un campamento de verano para niños con poderes sobrenaturales.