ISBN-13: 9781557998552 / Angielski / Miękka / 2002 / 144 str.
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(R), microscopes, telescopes, recycling, manufactured products (plastics)