I: Earth science -- Plate tectonics -- Rocks and soil -- Weather -- Water -- II: Physics -- Wave energy -- Heat -- Motion -- Energy, work, power, and machines -- Electricity -- III: Astronomy -- Planets -- Stars -- The moon -- Space travel -- IV: Chemistry -- The periodic table -- Surface tension of water -- Hair chemistry -- Macromolecules -- V: Biology -- The blueprint of life -- The basic unit of life -- Mendelian genetics -- Changes and adaptation -- Ecology.