Paul G. HewittFormer silver-medal boxing champion, sign painter, uranium prospector, and soldier, Paul began college at the age of 27, with the help of the GI Bill. He pioneered the conceptual approach to teaching physics at the City College of San Francisco. He has taught as a guest teacher at various middle schools and high schools, the University of California at both the Berkeley and Santa Cruz campuses, and the University of Hawaii at both the Manoa and Hilo campuses. He also taught for 20 years at the Exploratorium in San Francisco, which honored him with its Outstanding Educator Award in 2000. He is the author of Conceptual Physics and a co-author of Conceptual Physical Science and Conceptual Physical Science Explorations (with John Suchocki and Leslie Hewitt).

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• 1. About Science  I. MECHANICS 2. Newton’s First Law of Motion: Inertia 3. Linear Motion 4. Newton’s Second Law of Motion: Force and Acceleration 5. Newton’s Third Law of Motion: Action and Reaction  6. Momentum 7. Energy 8. Rotational Motion 9. Gravity 10. Projectile and Satellite Motion II. PROPERTIES OF MATTER 11. Atomic Nature of Matter 12. Solids 13. Liquids 14. Gases and Plasmas III. HEAT 15. Temperature, Heat and Expansion 16. Heat Transfer 17. Change of Phase 18. Thermodynamics IV. SOUND 19. Vibrations and Waves 20. Sound 21. Musical Sounds V. ELECTRICITY AND MAGNETISM 22. Electrostatics 23. Electric Current 24. Magnetism 25. Electromagnetic Induction VI. LIGHT 26. Properties of Light 27. Color 28. Reflection and Refraction 29. Light Waves 30. Light Emission 31. Light Quanta VII. ATOMIC AND NUCLEAR PHYSICS 32. The Atom and the Quantum 33. Atomic Nucleus and Radioactivity 34. Nuclear Fission and Fusion VIII. RELATIVITY 35. Special Theory of Relativity 36. General Theory of Relativity Appendices A. Systems of Measurement B. More About Motion C. Graphing D. More About Vectors E. Exponential Growth and Doubling Time