78+ Science Trivia Questions And Answers (Kids/ Adults) 2023

Science is a field of study as it is a very vast subject to study. It will encompass the tiniest particle to the most considerable structure in the world. Ass science is a never-ending subject to understanding different types of particles around us and the world where some or the other law is governing it. From The invention of the fire or the wheel and the development of the internet, science has played an essential role in shaping human history. So let us test your science knowledge, so here is the list of science trivia questions.
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Also check – Science Quiz Questions / Philosophical Questions

Science Trivia questions

What is the chemical symbol for gold?
Answer: Au

Who discovered penicillin?
Answer: Alexander Fleming

What is the largest planet in our solar system?
Answer: Jupiter

What is the smallest planet in our solar system?
Answer: Mercury

Who proposed the theory of relativity?
Answer: Albert Einstein

What is the name of the first satellite launched into space?
Answer: Sputnik 1

What is the fastest land animal?
Answer: Cheetah

Who discovered the law of gravity?
Answer: Isaac Newton

What is the smallest unit of matter?
Answer: Atom

What is the most abundant gas in the Earth’s atmosphere?
Answer: Nitrogen

Who developed the first successful vaccine for smallpox?
Answer: Edward Jenner

What is the largest mammal in the world?
Answer: Blue Whale

What is the process by which plants convert light into energy called?
Answer: Photosynthesis

Who discovered the double helix structure of DNA?
Answer: James Watson and Francis Crick

What is the most abundant element in the universe?
Answer: Hydrogen

What is the speed of light?
Answer: 299,792,458 meters per second

What is the name of the first animal to be sent into space?
Answer: Laika (a dog)

Who invented the telephone?
Answer: Alexander Graham Bell

What is the largest organ in the human body?
Answer: Skin

Science trivia questions and answers

What is the name of the particle that carries a positive charge in an atom’s nucleus?
Answer: Proton

Who is credited with discovering the first radio signal?
Answer: Guglielmo Marconi

What is the study of the Earth’s physical and cultural features called?
Answer: Geography

Who discovered the existence of the planet Neptune?
Answer: Johann Galle and Heinrich d’Arrest

What is the process by which a solid changes directly into a gas called?
Answer: Sublimation

What is the name of the first person to walk on the moon?
Answer: Neil Armstrong

Who discovered the law of conservation of energy?
Answer: Julius von Mayer and Hermann von Helmholtz

What is the name of the particle that carries a negative charge in an atom?
Answer: Electron

What is the name of the particle that carries no charge in an atom?
Answer: Neutron

Who is credited with discovering the element radium?
Answer: Marie Curie

What is the name of the process by which an organism changes to become better suited to its environment?
Answer: Evolution

What is the study of the Earth’s history called?
Answer: Geology

Who is known as the “father of modern physics”?
Answer: Albert Einstein

What is the name of the process by which a liquid changes into a gas?
Answer: Evaporation

Who discovered X-rays?
Answer: Wilhelm Conrad Roentgen

What is the name of the particle that mediates the electromagnetic force in atoms?
Answer: Photon

Who is credited with the discovery of the electron?
Answer: J.J. Thomson

Science Trivia questions for kids

What is the name of the planet closest to the sun?
Answer: Mercury

What is the process by which a caterpillar transforms into a butterfly called?
Answer: Metamorphosis

What is the study of insects called?
Answer: Entomology

What is the process by which water changes from a liquid to a gas called?
Answer: Vaporization

Who is known as the “father of modern genetics”?
Answer: Gregor Mendel

What is the name of the process by which plants convert food into energy?
Answer: Cellular respiration

What is the study of rocks called?
Answer: Petrology

What is the name of the largest planet in our solar system?
Answer: Jupiter

What is the name of the process by which plants convert sunlight into energy?
Answer: Photosynthesis

What is the name of the particle that carries a magnetic charge in atoms?
Answer: Magneton

What is the name of the smallest unit of life?
Answer: Cell

Who discovered the law of motion?
Answer: Sir Isaac Newton

What is the name of the process by which a solid changes into a liquid?
Answer: Melting

What is the name of the process by which sound waves bounce off surfaces?
Answer: Reflection

Who discovered the laws of thermodynamics?
Answer: Sadi Carnot and Rudolf Clausius

What is the name of the process by which a gas changes into a liquid?
Answer: Condensation

Science Trivia questions for 5th grade

What is the largest bone in the human body?
Answer: Femur

What is the name of the process by which cells divide to create new cells?
Answer: Mitosis

Who is known as the “father of modern chemistry”?
Answer: Antoine Lavoisier

What is the name of the layer of the Earth’s atmosphere that protects us from harmful UV rays?
Answer: Ozone layer

What is the name of the process by which sediment is deposited in a new location?
Answer: Deposition

What is the name of the process by which sediment is moved from one location to another?
Answer: Erosion

What is the name of the study of the Earth’s physical features, including mountains, rivers, and valleys?
Answer: Physical geography

What is the name of the process by which rocks are broken down into smaller pieces?
Answer: Weathering

Who is known for developing the first vaccine for polio?
Answer: Jonas Salk

What is the name of the process by which plants produce seeds?
Answer: Pollination

Who is known for discovering the laws of motion?
Answer: Sir Isaac Newton

What is the name of the process by which the Earth rotates on its axis?
Answer: Rotation

What is the name of the process by which the Earth moves around the sun?
Answer: Revolution

What is the name of the process by which animals consume food and turn it into energy?
Answer: Digestion

What is the name of the process by which rocks are transformed by heat and pressure?
Answer: Metamorphism

Science Trivia questions for adults

What is the name of the largest organ in the human body?
Answer: Skin

Who is credited with discovering the structure of DNA?
Answer: James Watson and Francis Crick

What is the name of the process by which a star becomes a supernova?
Answer: Supernova explosion

Who is known as the “father of modern astronomy”?
Answer: Nicolaus Copernicus

What is the name of the process by which a virus infects a cell and takes over its functions?
Answer: Viral replication

What is the name of the process by which the body fights off infection?
Answer: Immune response

Who is known for developing the first successful polio vaccine?
Answer: Jonas Salk

What is the name of the process by which energy is generated from the splitting of atoms?
Answer: Nuclear fission

What is the name of the process by which energy is generated by the fusion of atomic nuclei?
Answer: Nuclear fusion

Who discovered the principles of natural selection and evolution?
Answer: Charles Darwin

What is the name of the process by which stars are formed?
Answer: Stellar formation

What is the name of the process by which plants and animals exchange gases?
Answer: Respiration

Who is known as the “father of modern medicine”?
Answer: Hippocrates

What is the name of the process by which plants and animals break down organic matter?
Answer: Decomposition

What is the name of the process by which DNA is duplicated before cell division?
Answer: DNA replication

Also check – Career Options After 12th Science PCB / Career Options After 12th Science PCM

Science Trivia quiz questions

What is the name of the process by which a solid changes directly into a gas?
Answer: Sublimation

Who is known for discovering the principles of radioactivity?
Answer: Marie Curie

What is the name of the process by which a liquid changes into a gas?
Answer: Vaporization

What is the name of the process by which water moves from a high concentration to a low concentration across a membrane?
Answer: Osmosis

Who is known for developing the first vaccine for smallpox?
Answer: Edward Jenner

What is the name of the process by which a cell engulfs and digests other cells or particles?
Answer: Phagocytosis

What is the name of the study of the structure and function of the nervous system?
Answer: Neuroscience

Who is known for discovering the laws of electromagnetism?
Answer: James Clerk Maxwell

What is the name of the process by which plants and animals convert nitrogen into a form that can be used by other organisms?
Answer: Nitrogen fixation

What is the name of the process by which the body regulates its internal environment?
Answer: Homeostasis

Who is known for developing the first successful heart transplant surgery?
Answer: Dr. Christiaan Barnard

What is the name of the process by which molecules move from an area of high concentration to an area of low concentration?
Answer: Diffusion

What is the name of the process by which the Earth’s magnetic field reverses?
Answer: Magnetic reversal

Who is known for developing the theory of plate tectonics?
Answer: Alfred Wegener

We hope you get super fabulous answers while using our list of questions. Whether you are a science-loving person or just for fun, you are asking questions. In both ways, you will gain tremendous knowledge and expand your knowledge around us. So put your thinking cap on, expand your science knowledge, and drive into the fantastic world of science.