Possible Subjects

  • acids & bases (acid rain, acidic soils, soil chemistry, acids in industry, properties of acids and bases, antacids, buffers, pH, neutralization, corrosion)
  • aerodynamics (flight, lift, drag, weight, thrust, airplane design, terminal velocity)
  • alloys (alloy formation, brass, bronze, steel, sterling silver, pewter, solder)
  • applied optics (converging lenses, diverging lenses, Fresnel lenses, telescopes, microscopes, glasses)
  • atmosphere (air quality, pollutants, wind speed, wind patterns, humidity)
  • buoyancy (density, floating, sinking, displacement, ship design, submarines, hot air balloons)
  • chemical bonding (ionic, covalent, hydrogen, metallic, chemical reactions)
  • chemical changes (yield, purity, products, reactants)
  • chemical energetics (endothermic reactions, exothermic reactions, home and industrial applications of endothermic and exothermic reactions)
  • chemical movement (diffusion, osmosis, kinetic theory, temperature effects)
  • chemical reaction rates (catalysis, enzymes, denaturing enzymes, chemical equilibrium, chemical kinetics, product comparison for glues, epoxies and other household chemical reactions)
  • chemical reactions (addition reactions, single replacement, double replacement, catalysis, chain reactions, combustion, oxidation-reduction, electrolysis, electroplating, oxidizers, reducers, combination, electrochemical, dehydration, synthesis)
  • colligative properties (boiling point elevation, freezing point depression, osmotic pressure, antifreeze, de-icers)
  • combustion (flame tests, wood, fuel, fires, oxidation, fire management)
  • convection (cold air drainage, downdrafts, updrafts, heat transfer, ocean currents, seasonal overturn in lakes, thermoclines, thermals, gliding)
  • corrosion (oxidation-reduction, rusting, tarnish, oxides, materials engineering)
  • crystallization (composition, patterns, growth factors, crystals, stalactites, stalagmites, cave formations, mineral formations, industrial uses of crystals)
  • density (buoyancy, centrifugation, density gradient, thermocline, halocline, ocean currents, earth crustal densities)
  • earth dynamics (earthquakes, volcanoes, faults, seismology, earthquake detection and measurement, plate tectonics)
  • electric circuit components (resistors, capacitors, transistors, inductors, electrodes, conductors, insulators)
  • electric circuits (current, conductivity, Ohm’s Law, series circuits, parallel circuits, circuit design, electronics)
  • electric conductivity (insulators, conductors, super-conductors, semiconductors, electric hazards)
  • electric currents (alternating current, direct current, generators, motors, electric power generation, resistivity, temperature effects)
  • electric devices (generators, alternators, solenoids, relays, transmitters, receivers, motors, transformers, microphones, speakers)
  • electric energy (conservation, thermoelectricity, Seebeck effect, Peltier effect, thermocouples)
  • electric power (generator, battery, Daniell Cell, Galvanic pile, fuel cells, solar cells, transformers, energy conversion, alternative sources of energy)
  • electrical inductance (mutual inductance, transformers, alternating current)
  • electricity (electric charge, electric field, electric potential, electric energy, electric power, electrical engineering)
  • electrochemistry (electrolysis, electroplating, electrochemical cells, batteries, electrolytes)
  • electronics (circuit design, simple electronic devices, photoelectric effect, thermoelectric effect, piezoelectric effect, hysteresis)
  • electrostatics (electroscope, electrostatic repulsion, electrostatic attraction, transfer, Coulomb’s law, induction, distribution, static electricity, home and industrial applications of static electricity)
  • energy (potential energy, kinetic energy, entropy, enthalpy, alternative energy sources, conservation, consumption, work, efficiency)
  • engineering (structural design, materials strength, materials properties, circuit design)
  • expansion (thermal expansion, contraction, thermostats, properties of matter)
  • fluids (surface tension, heat capacity, solubility, conductivity, adhesion, cohesion)
  • forces (Newton’s laws, gravity, normal, friction, torque, weightlessness, propulsion)
  • fuels (methane, propane, butane, coal, biodiesel, methanol, alternative fuels, biofuels, internal combustion engine)
  • gasses (Boyles Law, Charles Law, ideal gas law, Hero’s engine, steam engine, propulsion, steam generators)
  • geology (land forms, soil profiles, erosion patterns, weathering, landform formation)
  • inverse square law (radiation, light, magnetism, gravity, sound, static electricity)
  • leverage (first class, second class, third class, torque, equilibrium, mechanics, simple tools)
  • light (fluorescent, incandescent, halogen, chemiluminesence, phosphorescence, photoelectric effect, lasers, sunlight, wavelength, frequency, prisms, dispersion, recombination, spectrum, infrared, primary colors, complimentary colors,
  • machines (lever, inclined plane, block & tackle, wheel, efficiency, mechanical advantage, multiplying force, multiplying speed)
  • magnetization (polarity, magnetic fields, magnetic force, retentivity, inverse square law, magnetic shielding, permeability, flux density, geomagnetism, Curie temperature, induction, demagnetization, electric motors, electric generators, electromagnets, compass, bar, permanent, magnetic recording)
  • mapping (topographic, surveying, triangulation, global positioning system)
  • measurement (accuracy, precision, indirect measurement, direct measurement, scaling, instrumentation)
  • metals (iron, copper, silver, aluminum, activity series, metallurgy, ores, mining, extraction, purification, uses of metals)
  • minerals (classification, types, properties, distribution, formation, crystals, home and industrial applications)
  • mixtures (homogenous mixtures, heterogeneous mixtures, suspensions, surfactants, gels, foams, bubbles, films, surface tension, soaps, household product comparisons, aerosols, chromatography, colloidal suspensions, colloids, dispersions, emulsification, emulsions)
  • momentum (linear, collisions, impulse, conservation, angular, precession)
  • motion (inertia, action-reaction, acceleration, Newton’s laws, angular velocity, rotational inertia, angular acceleration, centripetal, trajectories, collisions, momentum, inertia, center of mass)
  • optics (cameras, projectors, illusions, pinhole camera, polarization, reflection, transmission,
  • phases of matter (solids, liquids, gases, plasma, phase changes, melting, freezing, boiling, sublimation, condensation, weather, magma)
  • polymers (recycling plastics, properties of plastics, polymer formation, thermoplastics, thermo-set plastics, plastic product comparisons)
  • pressure (Pascal’s law, fluid pressure, barometric, weather forecasting, vapor pressure, siphons, Bernoulli’s principle, streamlines, air drag, osmotic pressure, vapor pressure, pressure-volume relationships)
  • propulsion (steam propulsion, jet propulsion, internal combustion, movement, engine design, engine efficiency)
  • radio waves (radar, radio wave polarity, crystal radio design & construction, antennae theory, transmission conditions, interference)
  • radioactivity (Geiger counters, cosmic ray detection, alpha radiation, beta radiation, ultraviolet radiation, isotopes, half-life, critical mass, industrial applications of radioactivity)
  • rocks (igneous, metamorphic, sedimentary, classification, identification, formation, properties, distribution, hardness, weathering, rock cycle, geochemistry, home and industrial uses of rock products)
  • separation (distillation, sedimentation, electrophoresis, precipitation, paper chromatography, thin layer chromatography)
  • soils (classification, types, properties, distribution, formation, soil profiles, horizons, erosion, soil conservation, ground water pollution)
  • solutions (solubility, gas solubility, heat of solution, solutes, polar solvents, non-polar solvents, solution chemistry, product comparisons of household solutions)
  • sound (frequency, amplitude, harmonics, speed, resonance, transmission, vibration, Doppler effect, echoes, reflection, superposition, diffraction, interference, laws of strings, sonar, musical instruments)
  • thermodynamics (laws of thermodynamics, heat, heat capacity, specific heat, thermal expansion, conduction, convection, Brownian motion, heat effects on viscosity, reaction rate, heat conductivity, heat of crystallization, heat of dilution, heat of fusion, heat of neutralization, heat of reaction, heat of solution, heat of vaporization, heat transfer)
  • water (properties of water, acid rain, water quality, clarity, turbidity, water pollution, water conservation, erosion, stream formation, weather)
  • waves (fluid waves, sound waves, light waves, seismic waves, wavelength, amplitude, frequency, period, transverse, longitudinal, superposition, attenuation, amplitude, interaction of waves, interference, standing waves, propagation, reflection, refraction, diffraction, interference, wave patterns, wave behaviors)
  • weather (cloud types, wind, storms, humidity, temperature, weather prediction, meteorology)