Halloween

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

Hay muchos colores en el mundo: el marrón de la tierra, el verde de la hierba, el azul del cielo y el amarillo, el color favorito de Dani... pero, ¿existe algo en el mundo que tenga todos los colores?

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Princess Diana lived much of her life in the public eye and suffered for it. She should not be remembered only for her fashion choices and her uncomfortable celebrity, but for her activism and generosity. Students will learn more about this fascinating and inspiring leading lady in this text that explores Princess Diana’s life and her social achievements.