Play today's 5-question quiz
Every player gets a fresh randomised mix of science and other categories each day.
Start today's quiz30 Science trivia questions
1. What is the chemical formula for table salt?
Answer: NaCl
2. How many planets are in our solar system?
Answer: 8
3. What gas do plants absorb from the atmosphere for photosynthesis?
Answer: Carbon Dioxide
4. What is the approximate speed of light in km per second?
Answer: 300000
5. What is the powerhouse of the cell?
Answer: Mitochondria
6. Which physicist formulated the law of universal gravitation?
Answer: Isaac Newton
7. How many pairs of chromosomes do humans have?
Answer: 23
8. What is the most abundant gas in Earth's atmosphere?
Answer: Nitrogen
9. Who proposed the theory of general relativity?
Answer: Albert Einstein
10. What is the lightest chemical element?
Answer: Hydrogen
11. What is absolute zero in degrees Celsius (rounded)?
Answer: -273
12. Which planet has the most moons (as of 2024)?
Answer: Saturn
13. What branch of science studies the interaction of matter and energy?
Answer: Physics
14. What particle carries the electromagnetic force?
Answer: Photon
15. What is the pH of pure water at 25°C?
Answer: 7
16. Which vitamin deficiency causes scurvy?
Answer: Vitamin C
17. What is the smallest bone in the human body?
Answer: Stapes
18. What does DNA stand for?
Answer: Deoxyribonucleic Acid
19. Which blood type is the universal plasma donor?
Answer: AB
20. What is the name of the galaxy nearest to the Milky Way?
Answer: Andromeda
21. How many bones are in the adult human hand?
Answer: 27
22. What element has the symbol 'K'?
Answer: Potassium
23. Which planet has the highest surface temperature?
Answer: Venus
24. Which organ produces insulin?
Answer: Pancreas
25. What is the largest species of shark?
Answer: Whale Shark
26. What is the SI unit of electric current?
Answer: Ampere
27. Which scientist discovered radioactivity along with Pierre and Marie Curie?
Answer: Henri Becquerel
28. What phenomenon causes the tides on Earth?
Answer: The Moon
29. Which planet has the Great Red Spot?
Answer: Jupiter
30. What is the strongest acid on the pH scale considered?
Answer: 0