Free Science Quiz
Test your science knowledge with our quizzes. Physics, chemistry, biology, astronomy, geology — 3 difficulty levels, 180 questions, a timer, and a leaderboard. Looking for a specific subject? There are also dedicated quizzes: math, physics & chemistry, life sciences, astronomy, human body.
Free, Timed Online Science Quizzes
On Quizoland, science comes alive across every discipline: physics, chemistry, biology, astronomy, geology, mathematics, medicine. Eighteen quizzes, 180 verified questions, three difficulty levels. You play right in your browser — no sign-up, no download — and the clock starts ticking from the very first question.
From the Big Bang to DNA, from Pythagoras to the Higgs Boson
Every quiz mixes disciplines and eras: fundamental laws of physics, the periodic table, how the human body works, space exploration, mathematical discoveries, medical breakthroughs. Famous scientists, world-changing inventions, units of measurement, physical constants — it's all in play. Perfect for exam prep or simply feeding your scientific curiosity.
A Different Kind of Challenge: Put Inventions in Chronological Order
If you'd rather skip the multiple-choice format, the chronological quiz challenges you to put major inventions in order, drag-and-drop style, while the clock is running. Same science theme, but a format that's much tougher on your memory for discovery and innovation dates.
Three Levels for Every Type of Player
The easy level covers the school basics: planets of the solar system, photosynthesis, Newton's laws, the chemical symbol for water. The medium level digs deeper: physical constants, detailed anatomy, precise chemical reactions, medical discoveries. The hard level is for advanced science buffs — lesser-known Nobel Prizes, precise equations, elementary particles, biological anomalies.
Fact-Checked Answers, Reliable Sources
Every answer is verified against recognized sources: scientific publications, leading research institutions, Nature, Science, and specialized encyclopedias. Every figure, every law, every date is cross-checked. If you spot an error, just click "Report an error" and we'll fix it within 48 hours.
Score, Timer, Overall Leaderboard
Your score and time are recorded at the end of each game. You'll see your percentile against other players, and you can save your result to appear on the overall leaderboard. Come back the next day to beat your record, or try the daily quiz for a fresh challenge every 24 hours.
Want to Mix It Up? Explore Other Categories
All Our Science Quizzes and Tests
Here's the complete list of our science quizzes and tests, organized by format:
Science Quizzes — Classic Multiple Choice
- General Science Quiz — 18 quizzes, 180 questions, 3 levels (easy, medium, hard). Physics, chemistry, biology, astronomy, mathematics, medicine.
Science Quizzes — Chronological Format (Drag & Drop)
- Chronological Quiz — Put major inventions in order. 3 levels for the inventions theme, plus other themes.
Coming Soon
- Astronomy Quiz — planets, stars, space exploration
- Human Body Quiz — anatomy, physiology
- Great Scientists Quiz — from Archimedes to Einstein
18 Quizzes, 180 Questions, 3 Levels
All Free Science Quizzes
Top Players — Science
Timeline Challenge: Inventions
Drag and drop to put major scientific inventions and innovations in order. 3 levels, from the steam engine to the iPhone.