Brilliantly bring nature to life with the vivid images and simple text of these award-winning early science Big Books. Each oversized book measures 14" x 20", and is large enough for students to see from the back of the classroom. Student versions allow your class to follow along at their desks while you read. All Big Books meet National Science Standards and benchmarks for science literacy. Choose from a wide variety of titles - from animals and weather to electricity and ecology. Introduce students to proteins, vitamins, starches, sugars, calcium, iron, and more. Poster size, real-life photos explain the food pyramid and illustrate how good nutrition helps us grow.