56 Physics Trivia Questions

Ever wondered why roller coasters are so thrilling or why time seems to slow down when you’re bored? With complex formulas, invisible forces, and theories that challenge our perception of reality, understanding physics can feel like trying to throw a bowling ball through a black hole! Our physics trivia collection transforms these mind-bending concepts into accessible questions covering everything from the basic laws of motion to the mysteries of quantum mechanics. Perfect for discovering the scientific reasons behind everyday phenomena or impressing friends with your knowledge of how the universe really works.

Check out these Astronomy Trivia Questions.

Physics Trivia Questions and Answers

  1. What force pulls objects toward the Earth?
    Answer: Gravity
  2. What is the unit of force named after a famous scientist?
    Answer: Newton
  3. What scientist discovered gravity when an apple reportedly fell on his head?
    Answer: Isaac Newton
  4. What will happen if you push an object that is at rest?
    Answer: It will move (accelerate)
  5. What form of energy does a moving object have?
    Answer: Kinetic energy
  6. What type of simple machine is a seesaw?
    Answer: Lever
  7. What scientist is famous for discovering the theory of relativity?
    Answer: Albert Einstein
  8. What type of energy is stored in objects that can be released later?
    Answer: Potential energy
  9. What is the speed of light?
    Answer: 299,792,458 meters per second (or about 186,282 miles per second)
  10. What happens to water when it freezes?
    Answer: It expands
  11. What property of matter is measured using a scale?
    Answer: Mass
  12. What is the name of the invisible force that pulls together all objects with mass?
    Answer: Gravity
  13. Which travels faster, sound or light?
    Answer: Light
  14. What is the unit of electrical current?
    Answer: Ampere (or Amp)
  15. What causes objects to float in water?
    Answer: Buoyancy
  16. What is the name of the force that opposes motion between two surfaces that touch?
    Answer: Friction
  17. What type of energy is produced by the Sun?
    Answer: Heat and light energy (electromagnetic energy)
  18. What happens when you mix all colors of light together?
    Answer: White light
  19. What instrument is used to measure air pressure?
    Answer: Barometer
  20. What is the unit of power named after a steam engine pioneer?
    Answer: Watt
  21. What is the unit of electrical potential or voltage?
    Answer: Volt
  22. What is the unit of energy in the metric system?
    Answer: Joule
  23. What is the name for a material that electricity cannot pass through?
    Answer: Insulator
  24. What is the name for a material that allows electricity to flow easily?
    Answer: Conductor
  25. What happens to the pitch of a sound when its frequency increases?
    Answer: The pitch gets higher
  26. What is the name of the point around which an object rotates?
    Answer: Axis
  27. What is the formula for the area of a rectangle?
    Answer: Length × Width
  28. What states that energy cannot be created or destroyed, only transformed?
    Answer: Law of Conservation of Energy
  29. What form of energy is transferred by the movement of particles?
    Answer: Heat (thermal energy)
  30. What happens to a liquid when it is heated?
    Answer: It expands
  31. What is the name of the device that converts solar energy into electricity?
    Answer: Solar panel (or photovoltaic cell)
  32. What is the formula for speed?
    Answer: Distance ÷ Time
  33. What is the study of heat and temperature called?
    Answer: Thermodynamics
  34. What are the three common states of matter?
    Answer: Solid, liquid, and gas
  35. What is the unit of temperature in the metric system?
    Answer: Celsius (or Kelvin)
  36. What is the name of the famous equation E=mc²?
    Answer: Mass-energy equivalence
  37. What is the term for the tendency of an object to resist changes in motion?
    Answer: Inertia
  38. What is the lowest possible temperature theoretically achievable?
    Answer: Absolute zero (-273.15°C or -459.67°F or 0 Kelvin)
  39. What is the study of light called?
    Answer: Optics
  40. What type of wave needs a medium to travel through?
    Answer: Mechanical wave
  41. What law states that for every action, there is an equal and opposite reaction?
    Answer: Newton’s Third Law of Motion
  42. What is the name for the transfer of heat through empty space?
    Answer: Radiation
  43. What is the center of mass of an object called?
    Answer: Center of gravity
  44. What is the net force required to keep an object moving at constant velocity?
    Answer: Zero
  45. What property of a material determines how much it will stretch when pulled?
    Answer: Elasticity
  46. What is the name for the resistance of a fluid to flow?
    Answer: Viscosity
  47. What happens to the pressure of a gas if you decrease its volume while keeping the temperature constant?
    Answer: The pressure increases
  48. What is the term for materials that can be magnetized?
    Answer: Ferromagnetic
  49. What is the measure of how much matter is in an object?
    Answer: Mass
  50. What is the study of motion without considering its causes called?
    Answer: Kinematics
  51. What is the phenomenon where light bends when passing from one medium to another?
    Answer: Refraction
  52. What is the name for the point at which a liquid turns into a gas?
    Answer: Boiling point
  53. What is the fourth state of matter that exists in stars and lightning?
    Answer: Plasma
  54. What is the name of the theoretical absolute minimum temperature?
    Answer: Absolute zero
  55. What is the unit of electrical resistance?
    Answer: Ohm
  56. What do you call it when a solid changes directly into a gas without becoming a liquid first?
    Answer: Sublimation

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