120 Science Quiz Questions: From Easy to Expert
Dear Friends, Lets dive into world of science with our ultimate quiz! From simple to challenging, these 120 questions will test your knowledge and ignite your curiosity. Perfect for students, educators, and trivia enthusiasts alike. Ready to conquer the cosmos of science?
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120 Science Quiz Questions with Answers
- Simple: What is the chemical symbol for water? Answer: H₂O
Moderate: Who developed the theory of general relativity? Answer: Albert Einstein
Difficult: What is the rarest naturally occurring element on Earth? Answer: Astatine
Simple: What planet is known as the Red Planet? Answer: Mars
Moderate: What is the powerhouse of the cell? Answer: Mitochondria
Difficult: What is the name of the first artificial Earth satellite? Answer: Sputnik 1
Simple: What gas do plants absorb from the atmosphere? Answer: Carbon dioxide
Moderate: Which planet has the most moons? Answer: Jupiter
Difficult: What is the Heisenberg Uncertainty Principle? Answer: It states that the position and the velocity of an object cannot both be measured exactly, at the same time.
Simple: What is the main gas found in the air we breathe? Answer: Nitrogen
Moderate: What is the largest planet in our solar system? Answer: Jupiter
Difficult: What is the most abundant gas in the Earth's atmosphere? Answer: Nitrogen
Simple: What element does 'O' represent on the periodic table? Answer: Oxygen
Moderate: What is the center of an atom called? Answer: Nucleus
Difficult: What does E=mc² stand for? Answer: Energy equals mass times the speed of light squared
Simple: How many planets are in our solar system? Answer: Eight
Moderate: What is the boiling point of water in Celsius? Answer: 100 degrees Celsius
Difficult: What are the four fundamental forces of nature? Answer: Gravity, Electromagnetism, Weak Nuclear Force, Strong Nuclear Force
Simple: What planet is known as the Earth's twin? Answer: Venus
Moderate: What is the hardest natural substance on Earth? Answer: Diamond
Difficult: What is Schrödinger's cat a thought experiment about? Answer: Quantum superposition
Simple: What is the nearest star to Earth? Answer: The Sun
Moderate: What is the chemical symbol for gold? Answer: Au
Difficult: Who is considered the father of modern chemistry? Answer: Antoine Lavoisier
Simple: How many bones are in the human body? Answer: 206
Moderate: What is the capital of Japan? Answer: Tokyo
Difficult: What is the most common isotope of hydrogen? Answer: Protium
Simple: What is the freezing point of water in Fahrenheit? Answer: 32 degrees Fahrenheit
Moderate: What is the chemical formula for table salt? Answer: NaCl
Difficult: What is the main component of the Sun? Answer: Hydrogen
Moderate: What is the most abundant element in the universe? Answer: Hydrogen
Difficult: Who proposed the heliocentric theory of the solar system? Answer: Nicolaus Copernicus
Simple: What part of the cell contains DNA? Answer: Nucleus
Moderate: What type of bond holds water molecules together? Answer: Hydrogen bonds
Difficult: What is the study of mushrooms called? Answer: Mycology
Simple: What gas do we need to breathe to survive? Answer: Oxygen
Moderate: Who discovered penicillin? Answer: Alexander Fleming
Difficult: What is the name of the largest moon of Saturn? Answer: Titan
Simple: How many teeth does an adult human have? Answer: 32
Moderate: What is the atomic number of carbon? Answer: 6
Difficult: What principle does a gyroscope demonstrate? Answer: Conservation of angular momentum
Simple: What planet is closest to the Sun? Answer: Mercury
Moderate: What is the common name for ascorbic acid? Answer: Vitamin C
Difficult: What is the term for a star that suddenly increases greatly in brightness? Answer: Nova
Simple: What do bees collect from flowers? Answer: Nectar
Moderate: What is the chemical symbol for potassium? Answer: K
Difficult: Who discovered the electron? Answer: J.J. Thomson
Simple: What is the chemical formula for methane? Answer: CH₄
Moderate: What is the study of fossils called? Answer: Paleontology
Difficult: What is the fourth state of matter? Answer: Plasma
Simple: What vitamin is produced when a person is exposed to sunlight? Answer: Vitamin D
Moderate: What is the hardest mineral known to man? Answer: Diamond
Difficult: What is the term for a DNA sequence that codes for a specific protein? Answer: Gene
Simple: What do plants release into the air during photosynthesis? Answer: Oxygen
Moderate: What unit is used to measure electrical resistance? Answer: Ohm
Difficult: Who is known as the father of genetics? Answer: Gregor Mendel
Simple: What is the chemical symbol for sodium? Answer: Na
Moderate: What is the nearest galaxy to the Milky Way? Answer: Andromeda Galaxy
Difficult: What is the term for a solution that resists changes in pH? Answer: Buffer
Simple: What do you call a baby kangaroo? Answer: Joey
Moderate: What is the chemical symbol for iron? Answer: Fe
Difficult: Who coined the term "radioactivity"? Answer: Marie Curie
Simple: What is the process by which plants make their food? Answer: Photosynthesis
Moderate: What is the unit of frequency? Answer: Hertz
Difficult: What element has the highest melting point? Answer: Tungsten
Simple: What planet is known as the Blue Planet? Answer: Earth
Moderate: What is the main function of red blood cells? Answer: To transport oxygen
Difficult: What is the second most abundant element in the Earth's crust? Answer: Silicon
Simple: What does DNA stand for? Answer: Deoxyribonucleic acid
Moderate: What organ is responsible for pumping blood throughout the human body? Answer: Heart
Difficult: What is the name of the largest volcano in the solar system? Answer: Olympus Mons
Simple: What gas do living creatures exhale? Answer: Carbon dioxide
Moderate: What is the primary pigment found in plants that allows for photosynthesis? Answer: Chlorophyll
Difficult: Who is known for formulating the laws of motion and universal gravitation? Answer: Sir Isaac Newton
Simple: What is the chemical symbol for calcium? Answer: Ca
Moderate: What force keeps us grounded on Earth? Answer: Gravity
Difficult: What is the term for organisms that produce their own food? Answer: Autotrophs
Simple: What is the boiling point of water in Fahrenheit? Answer: 212 degrees Fahrenheit
Moderate: What is the smallest unit of matter? Answer: Atom
Difficult: What is the chemical formula for sulfuric acid? Answer: H₂SO₄
Simple: What is the primary source of energy for life on Earth? Answer: The Sun
Moderate: What is the most common gas in the Earth's atmosphere? Answer: Nitrogen
Difficult: What is the name of the scientist who developed the periodic table? Answer: Dmitri Mendeleev
Simple: How many legs does an insect have? Answer: Six
Moderate: What is the main constituent of natural gas? Answer: Methane
Difficult: What is the most electronegative element? Answer: Fluorine
Simple: What is the primary function of the roots of a plant? Answer: To absorb water and nutrients
Moderate: What organ is primarily responsible for detoxifying chemicals in the body? Answer: Liver
Difficult: What is the chemical formula for ozone? Answer: O₃
Simple: What planet is famous for its rings? Answer: Saturn
Moderate: What is the main component of the cell wall in plants? Answer: Cellulose
Difficult: What is the term for the heat required to raise the temperature of one kilogram of a substance by one degree Celsius? Answer: Specific heat capacity
Simple: What is the primary gas found on Mars? Answer: Carbon dioxide
Moderate: What is the common name for dihydrogen monoxide? Answer: Water
Difficult: What is the name of the process by which cells divide? Answer: Mitosis
Simple: What is the main gas found in Earth's stratosphere that absorbs ultraviolet radiation? Answer: Ozone
Moderate: What is the chemical symbol for lead? Answer: Pb
Difficult: What is the term for a reaction that absorbs energy from its surroundings? Answer: Endothermic
Simple: What is the most common state of matter in the universe? Answer: Plasma
Moderate: What is the outermost layer of the Earth called? Answer: Crust
Difficult: What is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll? Answer: Photosynthesis
Simple: What is the chemical symbol for hydrogen? Answer: H
Moderate: What part of the cell is responsible for producing energy? Answer: Mitochondria
Difficult: What is the term for a substance that speeds up a chemical reaction without being consumed? Answer: Catalyst
Simple: What planet is closest in size to Earth? Answer: Venus
Moderate: What is the most abundant metal in the Earth's crust? Answer: Aluminum
Difficult: What is the term for the amount of space an object occupies? Answer: Volume
Simple: What is the primary gas that makes up the Earth's atmosphere? Answer: Nitrogen
Moderate: What is the term for the measure of the amount of matter in an object? Answer: Mass
Difficult: What is the name of the scientist who proposed the three laws of planetary motion? Answer: Johannes Kepler
Simple: What is the chemical symbol for helium? Answer: He
Moderate: What organ is responsible for filtering blood in the human body? Answer: Kidneys
Difficult: What is the term for the process by which a solid turns into a gas without passing through the liquid state? Answer: Sublimation
Simple: What planet is known as the Morning Star? Answer: Venus
Moderate: What is the chemical formula for table salt? Answer: NaCl
Difficult: What is the term for the type of bond formed when electrons are shared between atoms? Answer: Covalent bond
Simple: What is the primary component of the Earth's core? Answer: Iron
Moderate: What is the term for the number of protons in the nucleus of an atom? Answer: Atomic number
Difficult: What is the term for a solution that has a higher concentration of solutes compared to another solution? Answer: Hypertonic
Simple: What is the chemical symbol for carbon? Answer: C
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