20 Science Trivia Questions and Answers
Free science trivia questions and answers covering biology, chemistry, physics, and space. Great for school quizzes and trivia nights.
- 1
What is the powerhouse of the cell?
- 2
What is the chemical symbol for water?
- 3
How many bones are in the adult human body?
- 4
What planet is closest to the Sun?
- 5
What force keeps us on the ground?
- 6
What is the most abundant gas in Earth's atmosphere?
- 7
What part of the plant carries out photosynthesis?
- 8
What is the speed of light approximately?
- 9
What blood cells help fight infection?
- 10
What is H on the periodic table?
- 11
What is the study of living organisms called?
- 12
How many planets are in our solar system?
- 13
What organ pumps blood around the body?
- 14
What is the center of an atom called?
- 15
What type of energy does the Sun produce?
- 16
What gas do humans need to breathe to survive?
- 17
What is the largest organ of the human body?
- 18
What scientist developed the theory of general relativity?
- 19
What is frozen water called?
- 20
What is the chemical symbol for sodium?
How to use these science trivia questions
Every question above starts with its answer hidden. Read a question out loud, give players a moment, then hit Show answer to reveal it. Use Shuffle to randomise the order for a fresh round, and Copy all to grab the full set for a printed quiz sheet or slides.
These science questions work for pub quizzes, family game nights, classroom review, team-building, and party games. Mix them with other categories to build a balanced quiz that keeps everyone in the game.
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