A First Course in Physics: teaching guides on Teddy Rook Bookhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/Recent content in A First Course in Physics: teaching guides on Teddy Rook BookTeddy Rook Bookhttps://teddyrookbook.com/img/share.jpghttps://teddyrookbook.com/img/share.jpgHugoenSun, 11 Oct 2026 00:00:00 +0000Lesson 1: Why the metric system? Length, mass and timehttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-1/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-1/Lesson 10: The weight of air and the barometerhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-10/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-10/Lesson 11: Boyle's law and the ocean of airhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-11/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-11/Lesson 12: Siphons, pumps, divers and balloonshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-12/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-12/Lesson 13: Molecules in motion: the kinetic theory of gaseshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-13/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-13/Lesson 14: Evaporation and saturated vaporhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-14/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-14/Lesson 15: Dew, fog, humidity, and cooling by evaporationhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-15/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-15/Lesson 16: Molecular forces in solids: elasticity and Hooke's lawhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-16/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-16/Lesson 17: Molecular forces in liquids: surface tension and capillarityhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-17/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-17/Lesson 18: Solutions, crystals, and gases dissolved in waterhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-18/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-18/Lesson 19: Thermometers and temperature scaleshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-19/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-19/Lesson 2: Weighing, and the meaning of densityhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-2/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-2/Lesson 20: The gas laws: Charles and Boyle togetherhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-20/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-20/Lesson 21: Expansion of liquids and solids; water's strange behaviorhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-21/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-21/Lesson 22: Work, and the pulleyhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-22/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-22/Lesson 23: The lever and the law of momentshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-23/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-23/Lesson 24: The principle of work: wheel and axle, ramp, screw and gearshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-24/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-24/Lesson 25: Power and energyhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-25/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-25/Lesson 26: Friction and efficiencyhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-26/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-26/Lesson 27: Heat from work: Joule and the conservation of energyhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-27/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-27/Lesson 28: Specific heat and the method of mixtureshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-28/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-28/Lesson 29: Heat engines: steam, gas and turbineshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-29/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-29/Lesson 3: Measuring force; adding and resolving forceshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-3/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-3/Lesson 30: Melting and freezing: the heat of fusionhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-30/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-30/Lesson 31: Boiling and the heat of vaporizationhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-31/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-31/Lesson 32: Freezing mixtures, distillation, and refrigerationhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-32/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-32/Lesson 33: Heat on the move: conduction and convectionhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-33/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-33/Lesson 34: Radiation, and heating and ventilating a househttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-34/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-34/Lesson 35: Magnets, poles and lines of forcehttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-35/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-35/Lesson 36: Why magnets work, and the earth as a magnethttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-36/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-36/Lesson 37: Static electricity: charges, conductors and inductionhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-37/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-37/Lesson 38: Charges on conductors, points, and lightninghttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-38/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-38/Lesson 39: Potential, the volt, condensers and electrical machineshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-39/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-39/Lesson 4: Gravitation, center of gravity and balancehttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-4/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-4/Lesson 40: Electric currents and their magnetic effecthttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-40/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-40/Lesson 41: Voltage, resistance and Ohm's lawhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-41/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-41/Lesson 42: Internal resistance, series and parallel, and shuntshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-42/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-42/Lesson 43: Batteries: how cells work and how to connect themhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-43/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-43/Lesson 44: Chemical effects: electrolysis, plating and storage batterieshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-44/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-44/Lesson 45: Coils and electro-magnets: the bell and the telegraphhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-45/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-45/Lesson 46: Heating effects: watts, Joule's law and electric lightshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-46/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-46/Lesson 47: Faraday's discovery: currents made by magnetshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-47/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-47/Lesson 48: Dynamos: alternating and direct currenthttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-48/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-48/Lesson 49: The electric motorhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-49/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-49/Lesson 5: Falling bodies and accelerated motionhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-5/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-5/Lesson 50: Induction coils, transformers, power lines and the telephonehttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-50/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-50/Lesson 51: Where sound comes from and how fast it travelshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-51/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-51/Lesson 52: The nature of sound: waves, wave length and pitchhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-52/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-52/Lesson 53: Echoes, resonance and sounding-boardshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-53/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-53/Lesson 54: Interference: beats and standing waveshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-54/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-54/Lesson 55: The physics of the musical scalehttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-55/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-55/Lesson 56: Strings, overtones, quality and harmonyhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-56/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-56/Lesson 57: Organ pipes, wind instruments and the phonographhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-57/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-57/Lesson 58: The speed of light, straight-line travel and shadowshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-58/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-58/Lesson 59: How bright? The inverse square law and photometershttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-59/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-59/Lesson 6: Newton's three laws of motionhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-6/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-6/Lesson 60: Reflection, refraction and total reflectionhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-60/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-60/Lesson 61: What is light? Waves, interference and polarizationhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-61/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-61/Lesson 62: Images in plane and convex mirrorshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-62/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-62/Lesson 63: Concave mirrors: virtual and real imageshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-63/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-63/Lesson 64: Lenses and the lens formulahttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-64/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-64/Lesson 65: Cameras, the eye, magnifiers, telescopes and microscopeshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-65/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-65/Lesson 66: Color and wave length; mixing colorshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-66/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-66/Lesson 67: Dispersion and the rainbowhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-67/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-67/Lesson 68: Spectra: what light tells us about the starshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-68/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-68/Lesson 69: Invisible light: infra-red and ultra-violethttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-69/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-69/Lesson 7: Pressure under waterhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-7/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-7/Lesson 70: Electric waves and wireless telegraphyhttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-70/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-70/Lesson 71: Cathode rays, the electron, and X rayshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-71/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-71/Lesson 72: Radio-activity and the energy in atomshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-72/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-72/Lesson 8: Pascal's law and the hydraulic presshttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-8/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-8/Lesson 9: Archimedes' principle: floating and sinkinghttps://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-9/Sun, 11 Oct 2026 00:00:00 +0000https://teddyrookbook.com/homeschool/science/first-course-in-physics/lesson-9/