🌐 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.