Description | Chapter list reads as follows: I: States of Matter - Solids, liquids and gases IA: Energy IB: Mass weight, gravitation. The solar system IC: The Universe II: Atoms and Molecules III: Nature of Heat and Cold IV: Pressure, Boyle's Law, Principle of Archimedes V: The Atmosphere - A Mixture of gases & Heat Rays - Heating by Radiators VI: The sea, water, salt and related topics VII: The Electron - electricity and magnetism VIII: Sources of Energy IX: Machines X: Sound XI: Light, the Spectrum XII: Radioactivity - Energy set free [only drafts of chapters I to VI survive] |