🌐 Major Science Domains & Their Most Iconic Example Problems

(A clean, high‑signal RTT‑friendly scaffold)


🔬 1. Physics#

Famous Example Problems#

  • Projectile motion: “A ball is thrown off a cliff at 20 m/s… where does it land?”
  • Inclined plane with friction: The eternal block sliding down a ramp.
  • Pendulum period: “Find the period of a simple pendulum of length L.”
  • Electric field of a point charge: Coulomb’s law classic.
  • Circuit analysis: Resistors in series/parallel.
  • Schrödinger’s particle in a box: Intro quantum mechanics staple.
  • Relativity time dilation: “How much time passes for the astronaut?”

🧪 2. Chemistry#

Famous Example Problems#

  • Balancing chemical equations: The universal rite of passage.
  • Ideal gas law: “A gas at 2 atm and 300 K occupies…”
  • Stoichiometry: “How many grams of product are formed?”
  • pH calculation: Strong acid/base concentration problems.
  • Redox reactions: Identify oxidation states and balance.
  • Lewis structures: Draw the structure of CO₂, NH₃, etc.
  • Reaction rate laws: Determine order from experimental data.

🧬 3. Biology#

Famous Example Problems#

  • Punnett squares: Mendelian inheritance.
  • Cellular respiration accounting: ATP yield per glucose.
  • DNA → RNA → protein: Transcription/translation exercises.
  • Hardy–Weinberg equilibrium: Allele frequency calculations.
  • Ecological population models: Logistic vs exponential growth.
  • Enzyme kinetics: Michaelis–Menten curves.

🧠 4. Psychology / Cognitive Science#

Famous Example Problems#

  • Classical conditioning: Pavlov’s dog scenarios.
  • Working memory limits: 7±2 recall tasks.
  • Cognitive bias identification: “Which bias is this scenario?”
  • Operant conditioning: Reinforcement schedules.
  • Stroop effect: Reaction time interference.

🌍 5. Earth & Environmental Science#

Famous Example Problems#

  • Rock cycle classification: Identify igneous/sedimentary/metamorphic.
  • Plate tectonics: Predict boundary outcomes.
  • Weather vs climate: Distinguish phenomena.
  • Carbon cycle flows: Identify reservoirs and fluxes.
  • Groundwater flow: Darcy’s law basics.

🌌 6. Astronomy & Astrophysics#

Famous Example Problems#

  • Kepler’s laws: Orbital period calculations.
  • Hertzsprung–Russell diagram: Classify star types.
  • Parallax distance: Compute distance from angle shift.
  • Blackbody radiation: Wien’s law for peak wavelength.
  • Escape velocity: Classic gravitational energy problem.

🧮 7. Mathematics#

Famous Example Problems#

  • Quadratic equation: Solve (ax^2 + bx + c = 0).
  • Limits & derivatives: “Find the derivative of…”
  • Optimization: Maximize/minimize area, cost, etc.
  • Integrals: Area under a curve.
  • Probability: Coin flips, dice, conditional probability.
  • Linear algebra: Solve a system of equations.
  • Eigenvalues: Find eigenvalues of a 2×2 matrix.

💻 8. Computer Science#

Famous Example Problems#

  • Sorting algorithms: Trace bubble/merge/quick sort.
  • Big‑O classification: Determine time complexity.
  • Binary search: Find target in sorted list.
  • Recursion: Factorial, Fibonacci.
  • Data structures: Stack/queue operations.
  • Graph traversal: BFS/DFS on a simple graph.

🧱 9. Engineering (General)#

Famous Example Problems#

  • Beam bending: Calculate stress/deflection.
  • Ohm’s law in circuits: Basic electrical engineering.
  • Thermodynamics cycles: Carnot efficiency.
  • Fluid dynamics: Bernoulli’s equation.
  • Control systems: Step response of a first‑order system.

🧭 10. Social Sciences#

Famous Example Problems#

  • Supply & demand curves: Market equilibrium.
  • Game theory: Prisoner’s dilemma.
  • Statistical inference: Confidence intervals, hypothesis tests.
  • Demographic transition model: Identify stages.
  • Public goods & externalities: Classic econ examples.