Test Your Science Knowledge
Answer 20 random science questions in 200 seconds and test your knowledge of physics, chemistry, biology, space, Earth science, and more.
Loading questions...
Quiz Complete!
Free Online Science Quiz
Test your knowledge of science with this free online science quiz from Unbotium. Each round presents 20 randomly selected questions, giving you a quick way to practice and challenge what you know.
What Does the Science Quiz Cover?
The quiz can cover important science topics such as physics, chemistry, biology, astronomy, Earth science, the human body, and other scientific facts. Questions are randomly selected so you can play again and face a different set.
How to Play
Click Start Quiz to begin. You have 200 seconds to answer up to 20 questions. Select an answer for each question and see your score when the round is complete. You can then play another round or return to the Unbotium homepage.
Why Play a Science Quiz?
Science quizzes are a simple way to review scientific knowledge and discover which areas you know well. Replaying with randomly selected questions can help you encounter different scientific topics over time.
Frequently Asked Questions
Is the science quiz free?
Yes. The Science Quiz on Unbotium is designed to be played online for free.
How many questions are in each round?
Each round contains 20 randomly selected science questions.
How much time do I have?
You have 200 seconds to complete a round.
Can I play the science quiz again?
Yes. After finishing a round, use the Play Again button to start another round with a new selection of science questions.