Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Beginning readers will enjoy learning how to compose numbers 11-19 with this Spanish book. With vibrant images and easy-to-read text, this full-color text uses a real-world example of building and decorating a gingerbread house to teach math concepts. Students will develop their math and reading skills and be introduced to early STEM themes as they count the candy used to decorate a gingerbread house. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy...

In this inspiring Spanish-translated biography, readers will learn about the life of Wilma Rudolph, the first American woman to win three gold medals at one Olympics. Readers will feel engaged and inspired as they read about Rudolph's incredible journey from a young girl with polio, to her first encounter with track and field, to becoming one of the best Olympic athletes of her time! A timeline of Rudolph's life, a glossary, and index are provided for further understanding of the content and improvement in vocabulary.

Ecos, t’mpanos, vibraciones y volumen. V’vidas ilustraciones y textos sencillosexploran la asombrosa ciencia del sonido. Cada libro tiene un glosario, actividades pr‡cticas y fascinantes datos curiosos.

[English] Explains many different ways that children show respect and be respectful. [Spanish] El respeto es muy importante. Un buen modo de ser respetuosos es tener en cuenta lo que otros piensan y sienten. También mostramos respeto al hacer que otra persona se sienta importante y especial. ¿Cómo demuestras tú el respeto?