Ensayos sobre la historia del pensamiento español

★“Fascinating...An appealing resource sure to spark an interest in biomimicry, from casual readers to budding scientists. Recommended for all libraries.”—School Library Journal, starred review Did you know that lamps can be powered by glowing bacteria instead of electricity? That gloves designed like gecko feet let people climb straight up glass walls? Or that kids are finding ways to make compostable plastic out of banana peels? Biomimicry, the scientific term for when we learn from and copy nature, is a revolutionary way to look to nature for answers to environmental problems such...

When Nina, Maricela, and Alejandro decide to help some homeless people living near their school in Los Angeles, the issue of homelessness becomes personal when they discover that it is affecting a friend. With help from their 5th grade teacher, they decide to take action and help those in need. This 32-page realistic fiction book features full-color illustrations, diverse characters, and a short chapter format. Capture the interest of reluctant and struggling readers with hi-lo text.

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...

Simple text and photographs introduce the concept of symmetry as displayed by familiar creatures and objects.