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Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

MANUAL FOR COMMUNITARIAN SOCIAL WORK - This book is a basic document for students and professionals of the different disciplines of Social Sciences related to community action: social workers, socio-cultural animators, social educators, psychologists, etc., who want to develop their professional activity in this collective ambience, professionals who believe in what they do and why they do it, and who are willing to accompany the community and its members in a process of change and growth.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Aprenda los colores del arco iris siguiendo un texto lírico. (Learn the colors of the rainbow through the lyrical, rhyming text!) "I’ve learned my colors: green, red, and blue, yellow, purple, orange, and now I’m through." From shiny red apples, to purple violets and yellow bumblebees, the high-quality pictures will have children learning colors quickly. Learn simple English words and phrases with the corresponding version Green, Green Froggy.

Si te das una oportunidad, puede que descubras que el verdadero amor te está esperando. Rihannon está destrozada después de romper con su novio y solo quiere volver con él. Nicole tiene un ex novio que todavía tiene cierto protagonismo en su vida, pero no puede evitar sentir algo por otra persona. James y Rihannon son solo amigos... de momento. Quizá el deseo compartido de estos tres amigos de bajarle los humos a una listilla los lleve a conseguir lo que desean... y puede que algo más. El relato de una semana que cambiará la vida de estos personajes narrado desde tres puntos de vista...