Read and Understand, Science, Grades 2-3 presents stories that range from low-second grade to high-third grade in readability. Topics presented include: . Life Science-flowering plant life cycle, seed dispersal, parts of a tree, metamorphosis, honeybees, invertebrates, the platypus, digestion . Physical Science-magnets, sound vibrations (hearing), hot air rises, friction, simple machines, heat transference . Earth & Space Science-why stars seem to twinkle, rainbows, movements of Earth, thunder and lightning, the moon, soil, fossils . Science & Technology-using tools to measure, invention of Velcro®, microscopes, telescopes, recycling, manufactured products (plastics) | Read and Understand Science Grade 2 - 3 Teacher Resource by Evan-Moor Corporation, Paperback | Indigo Chapters