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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.

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

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

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.

Als een vermist en doodgewaand slachtoffer van een seriemoordenaar, die al dertien jaar in de gevangenis zit, plotseling opduikt, wordt de zaak heropend om een ander slachtoffer te redden.

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.

In this adventurous, Spanish-translated nonfiction title, elementary readers discover poisonous plants and dangerous animals from deserts around the world. Readers will be enthralled with its vivid images, informational text, and interesting facts about desert ecology and desert plants and animals, including sidewinder snakes, dingoes, desert locusts, and barrel cacti. This 6-Pack includes six copies of this title and a lesson plan.

Chilean edition of the exhibition of Alfredo Jaar (b. Chile) in Sweden at the Fine Arts Museum of Lausanne from june to september of 2007. The present edition gathers the translations of the essays into Spanish. Contains an essay by Adriana Valdés.