Maharashtra State Board (Science-1-Chapters) Table of Contents Toggle 1) Gravitation2) Periodic Classification of Element3) Chemical reactions and equations4) Effects of electric current5) Heat6) Refraction of light7) Lenses8) Metallurgy9) Carbon compounds10) Space Missions 1) Gravitation 2) Periodic Classification of Element 3) Chemical reactions and equations 4) Effects of electric current 5) Heat 6) Refraction of light 7) Lenses 8) Metallurgy 9) Carbon compounds 10) Space Missions