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Science quiz

Science Quiz Questions and Answers

A round of science quiz questions with answers, covering biology, chemistry, physics and space. Print it for your quiz night, or generate a full 50-question quiz free.

Question 1

What is the chemical symbol for gold?

Answer: Au

Question 2

How many bones are in the adult human body?

Answer: 206

Question 3

What gas do plants absorb from the atmosphere?

Answer: Carbon dioxide

Question 4

What is the nearest planet to the Sun?

Answer: Mercury

Question 5

What is the chemical symbol for water?

Answer: H2O

Question 6

What force keeps us on the ground?

Answer: Gravity

Question 7

What is the powerhouse of the cell?

Answer: The mitochondria

Question 8

How many chambers does the human heart have?

Answer: Four

Question 9

What is the hardest naturally occurring substance?

Answer: Diamond

Question 10

At what temperature does water boil at sea level in Celsius?

Answer: 100 degrees

Question 11

Which scientist proposed the theory of general relativity?

Answer: Albert Einstein

Question 12

What is the most abundant gas in the Earth's atmosphere?

Answer: Nitrogen

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