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Test your knowledge with this science trivia quiz!
1
48 random squares
What is the chemical symbol for water?
H2O
CO2
H2
O2
86% got this right
Water is essential for all known forms of life.
2
48 random squares
Which planet is known as the Red Planet?
Mars
Jupiter
Saturn
Venus
75% got this right
Mars is called the Red Planet due to its reddish appearance.
3
48 random squares
How many bones are in the adult human body?
205 —
206
— 210
55% got this right
An adult human has 206 bones, while a newborn has around 270.
4
48 random squares
What is the powerhouse of the cell?
Mitochondria
Chloroplast
Nucleus
Ribosome
62% got this right
Mitochondria generate most of the cell's supply of ATP, used as a source of chemical energy.
5
48 random squares
What is the speed of light in a vacuum?
299,792,458 m/s
1,080,000,000 km/h
150,000,000 m/s
300,000,000 m/s
27% got this right
The speed of light in a vacuum is approximately 299,792,458 meters per second.
6
48 random squares
Who developed the theory of relativity?
Albert Einstein
Galileo Galilei
Isaac Newton
Nikola Tesla
64% got this right
Albert Einstein developed the theory of relativity, which revolutionized theoretical physics.
7
48 random squares
What is the most abundant gas in Earth's atmosphere?
Nitrogen
Argon
Carbon Dioxide
Oxygen
49% got this right
Nitrogen makes up about 78% of Earth's atmosphere.
8
48 random squares
What is the chemical formula for table salt?
NaCl
CaCl2
KCl
Na2CO3
67% got this right
Table salt is chemically known as sodium chloride (NaCl).
