Top 100 Science Quiz Questions And Answers For Practice

Science Quiz For High School Students

Science is a subject that strives to answer all the ‘What’s,’ ‘Where’s,’ ‘How’s,’ and ‘Why’s.’ From explaining something as natural as how it rains to delving into the depths of the universe, science is an interesting and engaging field pursued by millions of students around the globe.

Careers in science are recognized for offering the highest-paying jobs and most dynamic positions within the industry. For example, an average scientist’s salary in the United States is around USD 174,208 annually. This number is only expected to grow for those with the right knowledge, qualifications, and experience to make a career in the field. 

To reach the phenomenal heights that this course can offer, you need to have a firm foundation in it. This begins with understanding the subject matter of most high-school science textbooks. 

The best way to test your knowledge and understanding of science is by figuring out what your strengths and weaknesses are. To achieve this, you need to consistently practice the previous year’s solved question papers and take quizzes. 

Let’s have a look at 100+ science quiz questions and answers and begin your journey to a successful career in the field!

Also read: Top 8 Reasons why Quiz games are beneficial 

100 Science Quiz Questions With Answers Easy

Testing your basics in science is key to recognizing the aspects that you need to work on. These questions are designed to help you do just that!

1. Who invented the first Telescope?– Hans Lippershey
2. Which famous scientist had difficulty in speaking until the age of 4 years? – Albert Einstein
3. Rusting of iron takes place when exposed to which gas – Oxygen Gas
4. Which is the nearest star to the planet Earth? – Sun
5. Which scientist discovered the four largest moons of Jupiter using a telescope – Galileo Galilei
6. Graphite is made up of which element –  Carbon
7. What is the chemical formula for Potassium permanganate? – KMnO4
8. What is the central metal Ion present in the chlorophyll? – Magnesium
9. What is a Dutch perspective glass? –Telescope
10. An Unlit matchstick has which kind of energy? – Chemical Energy
11. When a bus stops suddenly, passengers tend to fall forward: Which law of Newton is present in this situation – Newton’s First Law
12. What is the percentage of Oxygen gas in the atmosphere – 21%
13. Pencil leads are made up of which compound? – Graphite
14. Bananas have which radioactive element? – Potassium
15. What are the three main different types of rocks? – Igneous, Sedimentary and Metamorphic
16. What is the element which is used in nuclear bombs?– Uranium
17. Who was the first person to use the telescope for astronomical observations? – Galileo Galilei
18. Patterns in the night sky formed by the prominent stars are known as – Constellations
19. What is the name of rover which was sent by NASA to the planet Mars? – Curiosity
20. Which color in VIBGYOR has the highest frequency? – Violet
21. What is the atomic number of gold? –79
22. Which metal is used in aircrafts for its less weight? – Aluminum
23. What is the formula for Newton’s second law? – F=ma
24. What is the atomic number of phosphorus? –15
25. When light passes through a lens, it is called as – Refraction
26. What is the formula for density? – Mass by volume
27. When heat is released, we call the reaction as – Exothermic reaction
28. How many bones does a newborn baby have? – 300
29. Which is the nearest galaxy to Milky Way? –  Andromeda Galaxy
30. Which 4 planets in our solar system have rings? – Jupiter, Saturn, Uranus and Neptune
31. What is called the powerhouse of the cell? –  Mitochondria
32. The instrument used to measure atmospheric pressure? – Barometer
33. What is the chemical formula for a chalk piece? – Calcium Carbonate ( CaCo3)
34. Who discovered the cell? – Robert Hooke
35. Dead stars are called as? – Black holes
36. Where is the deepest point on the Earth? – Mariana Trench
37. What is the gas that is filled in electric bulbs?– Nitrogen gas
38. What is the common name for baking soda? – Sodium Bicarbonate
39. Biogas mainly contains which gas? – Methane Gas
40. Blood gets its red color from which element – Iron
41. Why does the sky appear blue in color? – Scattering of light
42. Which is the most abundant gas in the universe – Hydrogen gas
43. How is heat produced in the sun? – Nuclear Fusion
44. How many days does the Moon take to revolve around the earth – 27.3days
45. If the temperature on the Celsius scale is 27 degrees, what is the temperature on the Kelvin scale? – 300K
46. What is dry ice solid? – Carbon Dioxide
47. A boy throws a ball vertically upwards from the ground with some velocity, when the ball reaches the maximum height, what is its final velocity? – Zero
48. What are Fluids? – Liquids and gases
49. Diamond is made up of which element? – Carbon
50. What are the examples of precipitation? – Rain and snow

Keep reading: Science Questions | A Complete Board Exam Study Guide

51. Which principle is used to cool the water in earthen pots? –  Evaporation
52. Which chemical is used in nail polish remover? – Acetone
53. Which is the lightest metal in the universe– Lithium
54. If a car is moving at a speed of 50 km per hour throughout the journey, what is the acceleration of the car? –Zero
55. Water and oil can be separated by which process? – Fractional distillation
56. Protons are made up of which three quarks? – Two ups and one down quark
57. A plastic ball and an iron ball are dropped from the same height simultaneously, which ball touches the ground first? – both reach at the same time
58. How does the Planet Earth get its energy? – The Sun
59. What is the common name for washing soda? – Sodium carbonate
60. Naturally occurring hardest material on the earth is? – Diamond
61. Which is the lightest gas in the universe? – Hydrogen gas
62. We can change our voice by inhaling which gas? – Helium Gas
63. How many elements are present in the periodic table? – 118
64. X rays were discovered by?– Roentgen
65. Tungsten used in filaments of bulbs has an atomic number of? –74
66. Electrons were discovered by? – JJ Thomson
67. When metals react with acids, which gas is produced? – Hydrogen gas
68. We often drink carbonic acid in our daily life, what is the common name for carbonic acid– Soda water
69. Green flame produced from fireworks is because of which element? – Barium
70. Flow of electrons or movement of electrons is called as? – Electricity
71. The only Indian physicist to win the Nobel Prize in physics for the scattering of light is –  Sir CV Raman
72. Which planet is called as Red Planet?– Mars
73. Give examples of DC appliances? – torchlight, T.V remote
74. Which metal is liquid at room temperature? – Mercury
75. How long does it take for light to reach the Earth from Sun – 8 minutes and 20 seconds
76. Matter is made up of small indivisible particles called as? – Atoms
77. Apart from solid, liquid and gases, what is the fourth form of matter? – Plasma
78. What is the fourth dimension according to Einstein’s model of the universe? –Time
79. Which color has the longest wavelength? – Red
80. Pascal is the unit of?– Pressure
81. Which planet is called the morning and evening star? – Venus
82. Instrument used to measure electric current?– Ammeter
83. The human body is mostly made up of which element– Carbon
84. We live in which layer of atmosphere? – Troposphere
85. 1 Nanometer is equals to how many meters?– 10 power minus 9 meters
86. Sun appears red at morning and evening because of?– Scattering of light
87. Which Scientist named the words positive and negative in electrical charges?– Benjamin Franklin
88. A Reusable space rocket is called as?– Space shuttle
89. Sleeping under the tree at night time is dangerous because trees produce some gas, what is the gas? – Carbon Dioxide
90. Sound waves cannot travel in?– Space or Vacuum
91. Mars has how many moons?– 2
92. What is the full form of NASA?– National Aeronautics and Space Administration
93. What is the atomic number of sodium?– 11
94. What are the three subatomic particles in an atom?– electrons, protons and neutrons
95. Seasons on the Earth occur due to?– Tilt of the Earth
96. The leaves of the plant appear green in color because leaves reflect some color, what color is it? – Green color
97. Which scientist invented dynamite?– Alfred Nobel
98. What is the full form of ISRO? – Indian Space Research Organization
99. What is the speed of light?– 300,000 kilometer per second or 3×108m/s
100. When the moon comes in between Earth and the Sun, it is called as?– Solar eclipse

Explore about National Science Day | Learn about an important discovery

Funny Science Questions And Answers

Q1. The concept of gravity was discovered by which famous physicist?

1. A) Albert Einstein
2. B) Galileo Galilei
3. C) Sir Isaac Newton
4. D) Nikola Tesla

Answer: C) Sir Isaac Newton

Q2. How many colors are in the rainbow?

1. A) 5
2. B) 6
3. C) 7
4. D) 8

Answer: C) 7

Q3. True or False? Electrons are smaller than atoms.

1. A) True
2. B) False

Answer: A) True

Q4. Which is the most abundant element in the universe?

1. A) Oxygen
2. B) Carbon
3. C) Hydrogen
4. D) Nitrogen

Answer: C) Hydrogen

Q5. What is the hardest natural substance on Earth?

1. A) Gold
2. B) Iron
3. C) Diamond
4. D) Quartz

Answer: C) Diamond

Q6. What is the study of mushrooms called?

1. A) Botany
2. B) Zoology
3. C) Mycology
4. D) Geology

Answer: C) Mycology

Q7. Can an airplane go in reverse?

1. A) Yes
2. B) No

Answer: A) Yes

Q8. Does sound travel faster in the air or in water?

1. A) Air
2. B) Water

Answer: B) Water

Q9. Which oath of ethics taken by doctors is named after an Ancient Greek physician?

1. A) The Socratic Oath
2. B) The Hippocratic Oath
3. C) The Galenic Oath
4. D) The Asclepian Oath

Answer: B) The Hippocratic Oath

Q10. Which freezes faster, hot water or cold water?

1. A) Hot water
2. B) Cold water
3. C) They freeze at the same time
4. D) It depends on the container

Answer: A) Hot water (Mpemba effect)

Q11. On what continent will you not find bees?

1. A) Africa
2. B) Antarctica
3. C) Australia
4. D) Asia

Answer: B) Antarctica

Q12. What is the only rock that floats?

1. A) Granite
2. B) Pumice
3. C) Basalt
4. D) Limestone

Answer: B) Pumice

Q13. True or False? Chameleons change colors only to blend into their environment.

1. A) True
2. B) False

Answer: B) False

Q14. Can lightning strike the same place twice?

1. A) Yes
2. B) No

Answer: A) Yes

Q15. True or false? Shark cartilage can cure cancer.

1. A) True
2. B) False

Answer: B) False

Q16. How long is the memory of a goldfish?

1. A) 3 seconds
2. B) 3 minutes
3. C) 3 days
4. D) 3 months

Answer: C) 3 days

Q17. What mountain peak is farthest from the center of the Earth?

1. A) Mount Everest
2. B) K2
3. C) Chimborazo
4. D) Kilimanjaro

Answer: C) Chimborazo

Q18. How many bones do sharks have in their bodies?

1. A) 0
2. B) 206
3. C) 108
4. D) 56

Answer: A) 0

Q19. Can gold be created from other elements?

1. A) Yes
2. B) No

Answer: A) Yes

Q20. What is the heaviest organ in the human body?

1. A) Brain
2. B) Heart
3. C) Liver
4. D) Skin

Answer: C) Liver

Best Mobile Applications For Science Quiz

Make learning Science fun by using some of the best apps, including- 

• Science News Daily
• Periodic Table Quiz
• WolframAlpha
• Arduino Science Journal
• NASA
• Quizizz

Key Takeaways 

• Science has facilitated the growth and development of the human species. 
• There are a number of careers within the field of science where aspirants can expect a high remuneration for their knowledge, skills, and expertise. 
• To make the most of this subject, you need to have a firm foundation in the basics. Taking practice quizzes can help you develop this foundation. 
• Practicing previous year’s question papers and attempting quizzes is an excellent way to understand your strong and weak areas within the subject. 

We hope you liked this blog. If you did, be sure to leave a comment and share your thoughts. Get in touch with us if you have any doubts.

You may also enjoy reading- 7 Great scientists who will inspire you to pursue a career in science

FAQs 

Ques 1: What are the different careers within the field of science? 

Answer 1: Some of the most popular careers include Environmental Scientist, Epidemiologist, Biochemist, and Forensic Science Technician.

Ques 2: What are STEM subjects? 

Answer 2: The STEM subjects are Science, Technology, Engineering, and Mathematics. 

Ques 3: How much does an astronomer earn? 

Answer 3: An astronomer’s salary begins with a base figure of USD 116,541. 

Ques 4: Who is the father of Science?

Answer 4: Galileo Galilei is known as the Father of Science due to his experimental scientific methodologies and contribution to the scientific revolution. 

Ques 5: What is the world’s most prestigious science competition?

Answer 5: Some of the top research Science competitions include- 

• MIT THINK Scholars Program
• AAN Neuroscience Research Prize
• Regeneron Science Talent Search
• Davidson Fellows
• Stockholm Junior Water Prize

Ques 6: What are the 3 types of Science?

Answers 6: The three branches of Science include physical Science, life science, and earth science.