Identidad y ciudadanía

Learn all about the law of conservation of mass with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms with this nonfiction book that explores the law of conservation of mass in detail. Aligned to state and national standards, this leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like scientists. Keep students engaged in learning with this Spanish book.

Como en el afamado cuento, Caperucita Roja y su abuela salen ilesas. Pero esta historia no termina bien... para el libro. Almas sensibles y amantes de los libros, ¡favor de abstenerse!

Ana makes a fatal mistake of unprotected sex and becomes pregnant. She finds herself alone in a circle of hypocrisy and small mindedness.

Introduces equipment and devices commonly found in a science laboratory, including beakers, a hand lens, a microscope, and telescopes, and describes their use.