This science quiz covers physics, chemistry, biology and earth science. Questions include the periodic table and chemical symbols, forces and energy, cells and genetics, the human body, famous scientists and discoveries, units of measurement and the science behind everyday life.
Each match is live science trivia against one opponent. You both see the same 7 science quiz questions with 10 seconds per question, and faster correct answers score more. The seventh question counts double, so the experiment is not over until the final result. Easy science questions sit alongside harder ones that will stretch keen students.
Play a random opponent from anywhere in the world, or send a friend a challenge link. If nobody is free, a labelled practice bot steps in. Every match earns XP toward your Science level and helps you climb the leagues and leaderboards from Bronze to Legend.
Sample Science quiz questions
- What is the chemical formula of water?CO2 · H2O · NaCl · O2
- Which gas do plants absorb from the air for photosynthesis?Carbon dioxide · Hydrogen · Nitrogen · Oxygen
- Which organ pumps blood around the human body?Heart · Kidney · Liver · Lungs
- At sea level, water boils at what temperature?100 °C · 110 °C · 120 °C · 90 °C
- Which vitamin does our skin make using sunlight?Vitamin A · Vitamin B12 · Vitamin C · Vitamin D
Science quiz FAQ
How many questions are in the science quiz?
You get 7 questions per match with 10 seconds to answer each. Questions come from a growing bank, so you will keep seeing new ones as you play.
Can I play the science quiz with friends?
Yes. Start a challenge and send your friend the link, and you will both play the same 7 questions live.
Is the science quiz free?
Yes, it is completely free. Jump into a live match against a random opponent or a friend whenever you like.
Is the science quiz good for students?
Yes. It mixes school-level science questions with harder ones, which makes it a fun way to revise and to test yourself against other players.