Read and Understand, Science, Grades 2-3 presents stories that range from low-second grade to high-third grade in readability. Topics presented in Read and Understand, Science, Grades 2-3 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 and Space Science - why stars seem to twinkle, rainbows, movements of Earth, thunder and lightning, the Moon, soil, fossils. Science and Technology - using tools to measure, invention of Velcro, microscopes, telescopes, recycling, manmade products (plastics).