harmonic motion | Simple Harmonic Motion |

| Summary - Vibrations |

Hawking radiation | Hawking radiation |

heat | A Numerical Scale of Energy |

| Summary - Energy |

| Heat is Kinetic Energy |

| Gravitational PE converted directly into heat |

heat conduction | Entropy increases in heat conduction |

heat engine | Heat engines |

| Entropy isn’t changed by a Carnot engine |

heat engines | Thermodynamics |

Heisenberg | Werner Heisenberg |

Heisenberg uncertainty principle | The Uncertainty Principle |

| Summary - Matter as a Wave |

helium | A reaction occurring in the sun |

Hertz | Period, Frequency, and Amplitude |

history | Introduction |

homework problems | Homework Problems - Conservation of Energy |

| Homework Problems |

| Homework Problems |

| Homework Problems |

| Homework Problems |

| Homework Problems |

| Homework problems |

| Homework problems |

| Homework problems |

| Homework problems |

| Homework problems |

| Homework problems |

| Homework Problems 2 |

| Homework Problems 1 |

| Homework problems |

| Homework problems |

| Homework problems |

| Homework Problems |

Hooke's law | Summary - Forces |

Hooke’s law | Objects Under Strain |

hull speed | Hull speed |

human wattage | Human wattage |

Huygens' principle | Summary - Wave Optics |

hydroelectric plant | Energy |

hydrogen | Chemical bonds in hydrogen molecules |

| Energies of States in Hydrogen |

hydrogen atom | The Atom |

| The Hydrogen Atom |

hydrogen fusion | A reaction occurring in the sun |