Everyday Science MCQs

Scientific Laws and Theories MCQs with Answers

The law of gravity was formulated by:
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Nikola Tesla
Answer: a) Isaac Newton

Which theory explains the evolution of species through natural selection?
a) Theory of Relativity
b) Theory of Evolution
c) Quantum Theory
d) Theory of Plate Tectonics
Answer: b) Theory of Evolution

The law of conservation of energy states that:
a) Energy can be created but not destroyed
b) Energy can be destroyed but not created
c) Energy can be created and destroyed
d) Energy is constant in a closed system
Answer: d) Energy is constant in a closed system

The theory of relativity was proposed by:
a) Albert Einstein
b) Isaac Newton
c) Max Planck
d) Marie Curie
Answer: a) Albert Einstein

According to the law of conservation of mass, in a chemical reaction:
a) Mass is created
b) Mass is destroyed
c) Mass remains constant
d) Mass fluctuates
Answer: c) Mass remains constant

The theory of plate tectonics explains:
a) The movement of continents
b) The behavior of light
c) The laws of thermodynamics
d) The behavior of electricity
Answer: a) The movement of continents

The law of motion that states every action has an equal and opposite reaction is:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

Boyle’s Law relates the pressure and volume of a gas and is named after:
a) Robert Boyle
b) Isaac Newton
c) Michael Faraday
d) Galileo Galilei
Answer: a) Robert Boyle

The theory that explains the formation of the universe from a single point of singularity is:
a) Big Bang Theory
b) Theory of Evolution
c) Theory of Plate Tectonics
d) Quantum Theory
Answer: a) Big Bang Theory

Ohm’s Law relates the current, voltage, and resistance in an electrical circuit and is named after:
a) Georg Ohm
b) Isaac Newton
c) Nikola Tesla
d) Thomas Edison
Answer: a) Georg Ohm

The theory that explains the behavior of fluids in motion is:
a) Theory of Relativity
b) Theory of Evolution
c) Theory of Fluid Dynamics
d) Theory of Plate Tectonics
Answer: c) Theory of Fluid Dynamics

The law of thermodynamics that states energy cannot be created or destroyed in a closed system is:
a) First Law of Thermodynamics
b) Second Law of Thermodynamics
c) Third Law of Thermodynamics
d) Zeroth Law of Thermodynamics
Answer: a) First Law of Thermodynamics

Kepler’s Laws describe the motion of:
a) Planets around the Sun
b) Electrons around the nucleus
c) Satellites around the Earth
d) Galaxies in the universe
Answer: a) Planets around the Sun

The theory that explains the behavior of light as both a particle and a wave is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: b) Quantum Theory

Hubble’s Law describes the relationship between:
a) The expansion of the universe and the distance of galaxies
b) The motion of planets and their distance from the Sun
c) The force of gravity and the mass of an object
d) The behavior of electricity and magnetism
Answer: a) The expansion of the universe and the distance of galaxies

The law of conservation of momentum states that:
a) Momentum can be created but not destroyed
b) Momentum can be destroyed but not created
c) Momentum can be created and destroyed
d) Momentum is constant in a closed system
Answer: d) Momentum is constant in a closed system

The theory that explains the behavior of gases at low temperatures and near absolute zero is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: b) Quantum Theory

Archimedes’ Principle relates the buoyant force on an object submerged in a fluid to:
a) The weight of the object
b) The volume of the object
c) The density of the object
d) The velocity of the object
Answer: a) The weight of the object

The law of conservation of angular momentum states that:
a) Angular momentum can be created but not destroyed
b) Angular momentum can be destroyed but not created
c) Angular momentum can be created and destroyed
d) Angular momentum is constant in a closed system
Answer: d) Angular momentum is constant in a closed system

The theory that explains the behavior of matter and energy at extremely high temperatures and densities is:
a) Big Bang Theory
b) Theory of Evolution
c) Theory of Plate Tectonics
d) Quantum Theory
Answer: a) Big Bang Theory

Pascal’s Law states that:
a) Pressure is directly proportional to volume
b) Pressure is inversely proportional to volume
c) Pressure is constant in a fluid
d) Pressure is transmitted equally in all directions in a fluid
Answer: d) Pressure is transmitted equally in all directions in a fluid

The theory of electromagnetism was developed by:
a) James Clerk Maxwell
b) Isaac Newton
c) Albert Einstein
d) Nikola Tesla
Answer: a) James Clerk Maxwell

The law of reflection describes the behavior of:
a) Light waves
b) Sound waves
c) Electromagnetic waves
d) Water waves
Answer: a) Light waves

The theory that explains the behavior of gases at high temperatures and low pressures is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Kinetic Theory of Gases
Answer: d) Kinetic Theory of Gases

Kepler’s First Law states that:
a) Planets move in elliptical orbits with the Sun at one focus
b) The square of the orbital period of a planet is proportional to the cube of its average distance from the Sun
c) The line connecting a planet to the Sun sweeps out equal areas in equal times
d) The force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them
Answer: a) Planets move in elliptical orbits with the Sun at one focus

The law of electric charge states that:
a) Like charges attract and opposite charges repel
b) Like charges repel and opposite charges attract
c) Charges are created and destroyed in pairs
d) Charges are constant in a closed system
Answer: a) Like charges attract and opposite charges repel

The theory that explains the behavior of matter and energy on a cosmic scale is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

Newton’s Law of Universal Gravitation states that:
a) The force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them
b) The force of gravity between two objects is directly proportional to the square of the distance between them
c) The force of gravity between two objects is inversely proportional to the square of the distance between them
d) The force of gravity between two objects is constant
Answer: a) The force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them

The law of conservation of electric charge states that:
a) Electric charge can be created but not destroyed
b) Electric charge can be destroyed but not created
c) Electric charge can be created and destroyed
d) Electric charge is constant in a closed system
Answer: d) Electric charge is constant in a closed system

The theory that explains the behavior of matter under extreme conditions such as high pressures and temperatures is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Condensed Matter Physics
Answer: d) Theory of Condensed Matter Physics

The law of electromagnetic induction was discovered by:
a) Michael Faraday
b) Isaac Newton
c) James Clerk Maxwell
d) Albert Einstein
Answer: a) Michael Faraday

The theory that explains the behavior of matter and energy in black holes is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of electric charge is a consequence of:
a) Gauss’s Law
b) Ohm’s Law
c) Coulomb’s Law
d) Ampere’s Law
Answer: a) Gauss’s Law

The theory that explains the behavior of matter and energy in black holes is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of angular momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: a) Newton’s First Law

The theory that explains the behavior of matter and energy at extremely small scales is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of mass-energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Einstein’s Mass-Energy Equivalence
Answer: d) Einstein’s Mass-Energy Equivalence

The theory that explains the behavior of matter and energy at extremely large scales is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of electric charge is a consequence of:
a) Gauss’s Law
b) Ohm’s Law
c) Coulomb’s Law
d) Ampere’s Law
Answer: a) Gauss’s Law

The theory that explains the behavior of matter and energy in black holes is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of angular momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: a) Newton’s First Law

The theory that explains the behavior of matter and energy at extremely small scales is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of mass-energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Einstein’s Mass-Energy Equivalence
Answer: d) Einstein’s Mass-Energy Equivalence

The theory that explains the behavior of matter and energy at extremely large scales is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of electric charge is a consequence of:
a) Gauss’s Law
b) Ohm’s Law
c) Coulomb’s Law
d) Ampere’s Law
Answer: a) Gauss’s Law

The theory that explains the behavior of matter and energy in black holes is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of angular momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: a) Newton’s First Law

The theory that explains the behavior of matter and energy at extremely small scales is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of mass-energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Einstein’s Mass-Energy Equivalence
Answer: d) Einstein’s Mass-Energy Equivalence

The theory that explains the behavior of matter and energy at extremely large scales is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of electric charge is a consequence of:
a) Gauss’s Law
b) Ohm’s Law
c) Coulomb’s Law
d) Ampere’s Law
Answer: a) Gauss’s Law

The theory that explains the behavior of matter and energy in black holes is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of angular momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: a) Newton’s First Law

The theory that explains the behavior of matter and energy at extremely small scales is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of mass-energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Einstein’s Mass-Energy Equivalence
Answer: d) Einstein’s Mass-Energy Equivalence

The theory that explains the behavior of matter and energy at extremely large scales is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of electric charge is a consequence of:
a) Gauss’s Law
b) Ohm’s Law
c) Coulomb’s Law
d) Ampere’s Law
Answer: a) Gauss’s Law

The theory that explains the behavior of matter and energy in black holes is:
a) Theory of Relativity
b) Quantum Theory
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Theory of Relativity

The law of conservation of momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of angular momentum is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: c) Newton’s Third Law

The theory that explains the behavior of matter and energy at the atomic and subatomic level is:
a) Quantum Theory
b) Theory of Relativity
c) Theory of Evolution
d) Theory of Plate Tectonics
Answer: a) Quantum Theory

The law of conservation of energy is a consequence of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Newton’s Law of Universal Gravitation
Answer: a) Newton’s First Law

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