key words of class 8th science NCERT book
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Basic science of class 8th:
First About crops and it's management we learn learn about microorganisms and next the fibres and cloths, nylons and we learn about metals and what is non metals and coal and petroleum bout petrol, diesel , etc. and about flame and about cell and it's structure and about the human reproduction and the grow of child to adult we learn about pressure and about force, friction and push or pull and about sound, vibration and we learn about chemical and current and some natural Phenomena and about light and about we learn about some things in space which is stars, solar system , moon and constellations and finally we learn about the last chapter pollutants, pollution and about air, water, noise pollution, in class 8th we learn about many things which helps us generally in our daily life.