100 Science quiz questions


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Page last updated: 23/09/2022

This article will focus on showing you 100 questions for a fun science quiz, and their answer.

100 Science quiz questions

1-What is the ecosystem?

Answer: It is what makes the entire living, and the nonliving environment.

2- What are the field of science that studies the structure and cultural aspects of humans?

Answer: It is Anthropology.

3- What shape does the s-orbital have?

Answer: It is spherical.

4- Name the two functional groups in the ecosystem.

Answer: They are the autotrophs and the heterotrophs.

5- In which year did Robert Grossette talk about the science of optics?

Answer: It was in 1231.

6- What is the Zeeman effect?

Answer: It is the splitting of the spectral lines that are caused by the magnetic fields.

7- What happened to Giordano Bruno?

Answer: He was burned to death when he suggested that the sun was just a regular star.

8- What shape does the p-orbital have?

Answer: It is shaped like a dumbbell.

9- What is the name of the field that studies life in outer space?

Answer: It is called exobiology.

10- When did Evangelista Torricelli create a vacuum above the liquid? 

Answer: It was in 1643.

11- How many times can an electron microscope magnify?

Answer: It magnifies by 100000.

12- What did Abraham Bennet invent in 1786?

Answer: He invented the gold leaf electroscope.

13- What was the famous proposition of Sommerfeld?

Answer: He proposed the elliptical orbits.

14- What is the name of the monocarpic plant that presents gregarious flowering every 48 years?

Answer: It is bamboo.

15-  Edmund Halley encouraged scientists to write his idea?

Answer: they encouraged Isaac Newton.

16- In which year did Etienne-Louis Malus discover, and introduce the term polarization?

Answer: It was in 1808.

17- How many electrons can be in one orbital?

Answer: There can be a maximum of 2 electrons.

18- What are hydroponic plants?

Answer: They can grow in a liquid culture medium.

100 Science quiz questions

19- What is the name of the scientist that developed a theory to apply scientific reasoning to cosmology?

Answer: It was Rene Descartes.

20- What is the name of the technique for the separation of cell components?

Answer: It is called fractionation.

21- What did Otto Von Guericke do in 1672?

Answer: He demonstrated the Magdeburg, his experiment dealing with a vacuum.

22- What does EM stand for?

Answer: It stands for an electron microscope.

23- What did Thomas Young criticize?

Answer: He criticized Newton’s corpuscular theory of light.

24- Who made the first model of a flying machine?

Answer: It was Leonardo DaVinci.

25- In which year did John Canton develop the method to create artificial magnets?

Answer: It was in 1749.

26- Taxonomy is the name given to which part of science?

Answer: It is the name given to the part of science that identifies, names, and classifies organisms.

27- What theorem did Daniel Bernoulli develop in 1738?

Answer: It was Bernoulli’s theorem that is related to hydrodynamics.

28- What is the name of the atom that has only one electron?

Answer: It is hydrogen.

29- What did the physicist Romer assess in 1675?

Answer: He assessed the speed of light.

30- What is the name Niels Bohr gave to the path of the electron?

Answer: It is called an Orbit shell.

31- Who discovered the infra-red radiation in 1800?

Answer: It was Sir William Herschel.

32- What is the maximum of electrons that can be in an M shell?

Answer: 18 electrons.

33- What does DNA stand for?

Answer: It stands for Deoxyribonucleic acid.

34- The Ohm law was formulated by who in 1827?

Answer: It was formulated by G.S.Ohm.

35- What happens so an electron jumps to the next lower level orbit?

Answer: They have lost one quantum of energy.

36- What is the name of the area that studies tissues?

Answer: It is called Histology.

37- What was the name of the two people that experimented to check the existence of ether in 1887?

Answer: It was A. Michelson and E. Morley.

38- In 1939 Homi J. Bhabha suggested the name of what?

Answer: He suggested the name meson for middle-weight particles.

39- The many orbitals in the same subshell will be different in which sense?

Answer: They are different in their direction orientation.

40- Physiology is the name of what field?

Answer: It is the name of the field that studies structure and functions.

41- When was the first controlled chain reaction created?

Answer: It was on the 2nd of December 1942.

42- What does cell biology study?

Answer: It studies the structure and reproduction of cells.

43- What did the philosopher Anaxagoras state?

Answer: He stated that if the moon didn’t move, it would fall upon the earth.

44- What does genetics study?

Answer: Genetics study hereditary, and the variations.

45- Who said this phrase: “A bird is an instrument working according to the mathematical laws”?

Answer: It was Leonardo DaVinci.

46- Who said this phrase: “All falling bodies, irrespective of their size, descend at the same speed”?

Answer: It was Galileo Galilei.

47- What is the similarity between living and nonliving at an organizational level?

Answer: They are all formed of molecules and compounds.

48- What did the philosopher Ernest Mach say about knowledge?

Answer: He said it was all simply sensation.

49- What principle did Werner Heisenberg put forward?

Answer: He put forward the principle of uncertainty.

50- How many chemicals are there in a cell?

Answer: There are about 5000 chemicals.

51- What was Robert Norman’s contemplation?

Answer: He suggested that a free-floating magnet will always orient itself in the north and south directions.

52- What causes an electron to leave one orbital and jumps to another?

Answer: They will do it when the energy changes.

53- What is a good example of homeostasis?

Answer: An increased heartbeat.

54- What was the idea given by Thomas Alva Edison?

Answer: He gave the idea that electricity will flow through space from a heated metal.

55- The DNA is commonly called what?

Answer: It is called the person’s blueprint.

56- What is the idea proposed by Victor de Broglie?

Answer: He proposed that moving particles will move in wave patterns.

57- What are orbitals?

Answer: They are regions of space surrounding the nucleus where there is the highest chance of finding an electron.

58- What is the name of the cells that die during the embryonic stage?

Answer: They are the vessel elements.

59- What is the name of the scientist who proposed the existence of protons?

Answer: It was Albert Einstein.

60- What is the name of the seedless plants?

Answer: They are called Cryptogams.

61- The electron is lighter than the protons how many times?

Answer: They are 1836 times lighter.

62- Ammonium Chloride has what color?

Answer: It is white.

63- What does dendrology study?

Answer: It studies trees.

64- What are reversible reactions?

Answer: They are chemical reactions that are never fully completed.

65- Respiration releases what?

Answer: It releases the energy that is converted from sunlight.

66- What is the name of the mix of metals?

Answer: It is called Alloy.

67- What is refraction?

Answer: It is the name given to the change of direction of the light as it travels through a lens.

68- In which galaxy is the earth?

Answer: Earth is in a milky way.

69- Name some of the Galapagos islands.

Answer: Isabela, Santa Cruz, San Cristobal, Fernandina, and Santiago.

70- How many hearts does an octopus have?

Answer: They have 3 hearts.

71- Olympus Mons is the name of what?

Answer: It is the name of the volcano on mars.

72- What is the smallest planet in our solar system?

Answer: It is Mercury.

73- What is the hottest planet in our solar system?

Answer: It is Venus.

74- What is the brightest planet?

Answer: It is Venus.

75- What is the only planet that is not named after a Greek deity?

Answer: It is Earth.

76- How long does the moon take to take a full turn on earth?

Answer: It takes 27 days.

77- What was the name of the craft that took the first astronaut to the moon?

Answer: It was Apollo 11.

78- What is the planet that rotates the fastest?

Answer: It is Jupiter.

79- What is the name of the system that regulates our wake and sleep cycle?

Answer: It is the circadian rhythm.

80- Where in the human body is the pinna located?

Answer: It is located in the ear.

81- How many teeth does a grown man have?

Answer: He has 32 teeth.

82- How long does the red blood cell live?

Answer: They live for 120 days.

83- What is the side of the brain that is more connected to rationality?

Answer: It is the left side.

84- Does sound travel faster in water than in air?

Answer: Yes.

85- What are the three layers of the earth?

Answer: They are the crust, the mantle, and the core.

86- What is the name of the planet that is named after the goddess of beauty and love?

Answer: It is Venus.

87- How far is the ozone layer from earth?

Answer: It is between 15 and 35 kilometers away.

88- What is the planet that spins anticlockwise?

Answer: It is Venus.

89- How many hearts does a hagfish have?

Answer: They have 4 hearts.

90- What is a hiccup?

Answer: It is a repetitive involuntary contraction of the diaphragm.

91- The American coin, the nickel, is made of what?

Answer: It is mostly made of copper.

92- Why is the Eiffel tower taller in the summer?

Answer: Because the metal expands when it is hot.

93- What is the name of the movie in which two teens create the perfect woman from a computer?

Answer: Weird science.

94- Who invented the bifocal lenses?

Answer: It was Benjamin Franklin.

95- Who invented the printing press?

Answer: It was Johannes Gutenberg.

96- Who invented basketball?

Answer: It was James Naismith.

97- Who invented dynamite?

Answer: It was Alfred Nobel.

98- Who invented the principles of vaccination?

Answer: It was Louis Pasteur.

99- Is the center of the earth hot?

Answer: Yes, that is true.

100- Did human beings come from earlier species of animals?

Answer: Yes.

Frequently Asked Questions (FAQ): What are 100 Science quiz questions? 

Can make a science quiz difficult? 

It can sometimes be difficult, but if you prepare, you will likely do good.

Where can I learn more about science? 

You can read books, news, and science articles if you want to know more about it.

Am I dumb if I don’t know everything about science? 

No, not knowing everything about science doesn’t mean you are dumb, you may just want to study it a little more.

Can making a science quiz with friends be fun?

Yes, making a science quiz with friends can be fun, and also a great way to learn.


This article focused on showing you 100 fun science quiz questions, and their answers.

If you have any questions or comments about this article, feel free to write them in the section below.