by Jenna Winterberg · TEACHER CREATED MATERIALS · tapa blanda · ISBN 9781425847166
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«Conservación de la masa» is the popular science book by Jenna Winterberg, published by Teacher Created Materials in paperback (32 pages, in Spanish).
It starts from the fact that matter is neither created nor destroyed and shows it with recognizable situations: tearing paper, burning it, or hiding an object. From there it presents atoms and molecules, distinguishes physical and chemical changes, systems and energy, and clarifies the difference between mass and weight. It closes with a laboratory activity to apply what has been learned.
It is part of the Science Readers: Content and Literacy / Physical Science series. The Spanish edition was published in July 2017 and the text indicates a Lexile level of 720L.
Recommended for students in grades 4 to 6 and intermediate readers beginning to explore physics and chemistry.
