Science quiz 4
General knowledge · Science
Quiz 4
10 questions · 20 seconds each (about 3 min) · Mixed
Play this quizFree. Your score and the right answers show at the end.
What is in it
Question 1
What is the speed of light in vacuum (approximately)?
- A.3.99 × 10^8 m/s
- B.1.99 × 10^8 m/s
- C.2.99 × 10^8 m/s
- D.4.99 × 10^8 m/s
Question 2
What is the atomic number of Oxygen?
- A.9
- B.6
- C.7
- D.8
Question 3
How many planets are in our solar system?
- A.7
- B.10
- C.9
- D.8
And 7 more questions. Play the quiz to answer them all against the clock.
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