Science quiz – play free online

Free Science quiz with 421 questions. Play solo in seconds, then challenge your friends live.

What is inside

• Nature & space 248
• Chemical elements 118
• Math 49

Sample questions

1. What is the elemental symbol for mercury? Answer: Hg
2. How old is the universe? Answer: 13.8 Billion Years
3. What is the half-life of Uranium-235? Answer: 703,800,000 years
4. Folic acid is the synthetic form of which vitamin? Answer: Vitamin B
5. How many planets make up our Solar System? Answer: 8