100 Science quiz questions

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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.

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.

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