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Science & Nature Trivia Quiz

10 random questions from a bank of 267 — new round every time

1 of 10
scienceEasy

What gas do humans need to breathe in order to survive?

About the Science & Nature Quiz

Test yourself on physics, chemistry, biology, astronomy, and the natural world. These science and nature trivia questions range from the human body and animal kingdom to the periodic table and outer space.

Each round serves 10 random questions with instant answers and short explanations, so you actually learn something when you miss one.

Topics you'll see

  • Space & astronomy
  • Human body
  • Animals
  • Chemistry
  • Physics
  • Earth & environment

Frequently asked questions

What does the science category cover?
Biology, chemistry, physics, astronomy, nature, and the human body — a broad mix of school science and fun facts.
Do wrong answers show explanations?
Yes. After you submit, every question shows the correct answer with a one-or-two sentence explanation.
Can I replay the science quiz?
As many times as you want — questions are drawn randomly each round.