Natural science is the branch of science that studies the natural world, including everything in nature like plants, animals, earth, weather, space, and matter.Main Branches of Natural ScienceBiology – Study of living thingsChemistry – Study of matter and its changesPhysics – Study of energy, forces, and motionEarth Science – Study of Earth, rocks, volcanoes, etc.Astronomy – Study of space, stars, and planets