5 SETS
ScienceTechnology Quiz
Computers, hardware and storage, Software and computing terminology, Inventions and everyday technology.
100 questions · 4 levels↗Science / 100 QUESTIONS
Science and Nature Quiz: 100 Questions and Answers.
Test your knowledge of the natural world and scientific ideas in this science and nature quiz. The 100 questions cover a mix of chemistry, the Earth, space and wider science trivia. Play one twenty-question set at a time, or skip ahead to a more difficult starting point.
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What’s in this science quiz?
Each of the five sets contains 20 questions, with five questions at each difficulty. Choose Easy for the full round, Medium for 15 questions, Hard for 10 or Very hard for five.
Topics in the mix
- Chemistry and scientific terminology
- The Earth and the natural world
- Space, discoveries and science trivia
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Science and Nature Quiz questions and answers · quizmaster view
Spoilers ahead. Pick a set for your quiz night, then read the questions aloud or print separate question and answer sheets. One point per correct answer.
Set 1 · Science & nature
- EasyAbout what percentage of the Earth's surface is water?
Answer: 70%
- EasyWhich gas forms about 78% of the Earth’s atmosphere?
Answer: Nitrogen
- EasyWhat is the unit of electrical resistance?
Answer: Ohm
- EasyHow many planets are there in the Solar System?
Answer: 8
- EasyHuman cells typically have how many copies of each gene?
Answer: 2
- MediumDown Syndrome is usually caused by an extra copy of which chromosome?
Answer: 21
- MediumWho came up with the laws of gravity?
Answer: Newton
- MediumWhich of these stars is the largest?
Answer: UY Scuti
- MediumWhat medication was once commonly used as rat poison?
Answer: Coumadin
- MediumA positron is an antiparticle of a what?
Answer: Electron
- HardAfter which Danish city is the 72th element on the periodic table named?
Answer: Copenhagen
- HardIn the metric system, what unit is used to measure temperature?
Answer: degrees Kelvin
- HardWhat polymer is used to make CDs, safety goggles and riot shields?
Answer: Polycarbonate
- HardWhat is the atomic number of Uranium
Answer: 92
- HardWhich famous mathematician proved that there is no formula to find the roots of any equation of degree more than four?
Answer: Abel
- Very hardDeuterium is an isotope of which element?
Answer: Hydrogen
- Very hardWhat is the molecular formula of the active component of chili peppers(Capsaicin)?
Answer: C18H27NO3
- Very hardWhat does the scientific name of the King cobra, Ophiophagus, mean?
Answer: Snake eater
- Very hardBotanically speaking, which of these fruits is NOT a berry?
Answer: Strawberry
- Very hardWhat does the term "isolation" refer to in microbiology?
Answer: The separation of a strain from a natural, mixed population of living microbes
Set 2 · Science & nature
- EasyWhat is the standard SI unit for time?
Answer: Second
- EasyWhat is the hottest planet in the Solar System?
Answer: Venus
- EasyWhich of the following bones is not in the leg?
Answer: Radius
- EasyWhat is the powerhouse of the cell?
Answer: Mitochondria
- EasyWhat lies at the center of our galaxy?
Answer: A black hole
- MediumOn the periodic table of elements, what is the symbol for Tin?
Answer: Sn
- MediumWhat does the yellow diamond on the NFPA 704 fire diamond represent?
Answer: Reactivity
- MediumAu on the Periodic Table refers to which element?
Answer: Gold
- MediumWhat was the first living creature in space?
Answer: Fruit Flies
- MediumWhat term refers to wasting away or degeneration of a muscle?
Answer: Atrophy
- HardWhat unit in the metric system do astronomers use to measure the wavelength of light?
Answer: nanometer
- HardWhich organelle makes up the cells translational apparatus that translates Messenger RNA (mRNA) into polypeptide chains?
Answer: Ribosome
- HardWhich chemical element has the lowest boiling point?
Answer: Helium
- HardPaul MacCready designed the first working solar plane. What was its name?
Answer: Gossamer Penguin
- HardWhich of these is not among the vacuoles functions in the cell?
Answer: Production of ATP
- Very hardWhat is the name for all the chemical reactions that take place in the body?
Answer: metabolism
- Very hardBoth Newton and Leibnitz claimed credit for inventing” calculus. Which statement about calculus is true?
Answer: Whoever invented it, we use Leibnitz notation.
- Very hardWhat does the number of neutrons in the nucleus of an atom determine?
Answer: The isotope of the element
- Very hardHow many protons are in an oxygen atom?
Answer: Eight
- Very hardThe core of the Sun can reach which temperature?
Answer: 27° Million F (15° Million C)
Set 3 · Science & nature
- EasyWhat is the "powerhouse" of the Eukaryotic animal cell?
Answer: Mitochondria
- EasyWhat does DNA stand for?
Answer: Deoxyribonucleic Acid
- EasyWhat is the atomic mass of Carbon?
Answer: 12
- EasyThe biggest distinction between a eukaryotic cell and a prokaryotic cell is:
Answer: The presence or absence of a nucleus
- EasyApproximately what percentage of Earth's atmosphere is Oxygen?
Answer: 21%
- MediumWhat are the smallest blood vessels in the human body?
Answer: Capillaries
- MediumWhat term is best associated with Sigmund Freud?
Answer: Psychoanalysis
- MediumWho developed the first successful polio vaccine in the 1950s?
Answer: Jonas Salk
- MediumWhich of these elements on the Periodic Table is a Noble Gas?
Answer: Neon
- MediumIn human biology, a circadium rhythm relates to a period of roughly how many hours?
Answer: 24
- HardWhat stage of development do the majority of eukaryotic cells remain in for most of their life?
Answer: Interphase
- HardWho made the discovery of X-rays?
Answer: Wilhelm Conrad Röntgen
- HardWhich of these is a type of stretch/deep tendon reflex?
Answer: Ankle jerk reflex
- HardWhich of these is NOT a part of the structure of a typical neuron?
Answer: Islets of Langerhans
- HardWhich desert is the only desert in the world where the "Saguaro" cactus grows indigenously?
Answer: The Sonoran Desert
- Very hardWhat nucleotide pairs with guanine?
Answer: Cytosine
- Very hardWhat is considered the rarest form of color blindness?
Answer: Blue
- Very hardWhat is isobutylphenylpropanoic acid more commonly known as?
Answer: Ibuprofen
- Very hardWhich of these is a semiconductor amplifying device?
Answer: transistor
- Very hardThe 'Islets of Langerhans' is found in which human organ?
Answer: Pancreas
Set 4 · Science & nature
- EasyThe Sun has how many times the diameter of the Earth?
Answer: 110
- EasyAbout how old is Earth?
Answer: 4.5 Billion Years
- EasyWhat is the Linnean name of the domestic apple tree?
Answer: Malus pumila
- EasyThis element, when overcome with extreme heat and pressure, creates diamonds.
Answer: Carbon
- EasyTo the nearest minute, how long does it take for light to travel from the Sun to the Earth?
Answer: 8 Minutes
- MediumWhich of the following is the male pollen-producing reproductive part of a flower?
Answer: Stamen
- MediumWhich of these organs is responsible for the degradation of red blood cells?
Answer: Spleen
- MediumWhat is Hypernatremia?
Answer: Increase in blood sodium
- MediumThe humerus, paired radius, and ulna come together to form what joint?
Answer: Elbow
- MediumWhich of these is classified on the Hamilton-Norwood scale?
Answer: male hair loss
- HardWhat is the chemical symbol for Boron?
Answer: B
- HardWhat is the chemical symbol for lead?
Answer: Pb
- HardIn 1994, what major hurricane broke the record for longest-lasting hurricane ever observed both in the Pacific Ocean and worldwide?
Answer: Hurricane John
- HardWhat is the atomic number of the element Strontium?
Answer: 38
- HardWhat is the chemical formula for ammonia?
Answer: NH3
- Very hardHow many objects are equivalent to one mole?
Answer: 6.022 x 10^23
- Very hardBurning which of these metals will produce a bright white flame?
Answer: Magnesium
- Very hardOn the Beaufort Scale of wind force, what wind name is given to number 8?
Answer: Gale
- Very hard"The Big Bang Theory" was first theorized by a priest of what religious ideology?
Answer: Catholic
- Very hardWhich of the following are cells of the adaptive immune system?
Answer: Cytotoxic T cells
Set 5 · Science & nature
- EasyThe element involved in making human blood red is which of the following?
Answer: Iron
- EasyStars consist mainly of hydrogen and which other gas?
Answer: Helium
- EasyWhen was the first mammal successfully cloned?
Answer: 1996
- EasyWhat is the unit of electrical capacitance?
Answer: Farad
- EasyWhich element has the highest melting point?
Answer: Carbon
- MediumThe medical condition osteoporosis affects which part of the body?
Answer: Bones
- MediumWhich of these choices is not one of the phases of mitosis?
Answer: Diplophase
- MediumAll the following metal elements are liquids at or near room temperature EXCEPT:
Answer: Beryllium
- MediumWhat is the study of the cells and tissues of plants and animals?
Answer: Histology
- MediumWhere did the Great Storm of 1987 make landfall at, first?
Answer: Cornwall
- HardWhich one of these scientists conducted the Gold Foil Experiment which concluded that atoms are mostly made of empty space?
Answer: Ernest Rutherford
- HardWhen the Falcon Heavy was launched on it's test flight, what was the only part of the operation that failed?
Answer: Center Core Landing
- HardWhich psychological term refers to the stress of holding contrasting beliefs?
Answer: Cognitive Dissonance
- HardWhich portion of the Marijuana plant produces the psychoactive substance known as THC?
Answer: Female Flower
- HardWhat significant discovery about the nature of the constant e did French mathematician Charles Hermite make in 1873?
Answer: e is transcendental.
- Very hardWhat is the name for the auditory illusion of a note that seems to be rising infinitely?
Answer: Shepard Tone
- Very hardWhat is the molecular formula of Ozone?
Answer: O3
- Very hardWhich scientific unit is named after an Italian nobleman?
Answer: Volt
- Very hardWhich is the chemical name of H2O?
Answer: Dihydrogen Monoxide
- Very hardIn physics, conservation of energy and conservation of momentum are both consequences of which of the following?
Answer: Noether's Theorem
Questions adapted from Open Trivia Database and OpenTriviaQA, under CC BY-SA 4.0. Selected, filtered and arranged into fixed rounds. Sources & editorial notes.
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