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The speed of light, boiling points, little logic puzzles: science, by estimation.
Free questions with no sign-up, where every answer is a number. Type your estimate: the closer you get to the right answer, the more points you score.
A free game mixes every topic. To play only “Science & Logic”, Premium accounts can filter topics in the game settings.
Type your estimate and check it: you'll see the right answer and your points.
1
How many carats does absolutely pure gold show?
Answer: 24
2
How many kilometres do the famous ten thousand daily steps come to?
Answer: 7 km
3
What answer does Douglas Adams's computer give to the great question about the universe?
Answer: 42
4
What percentage of oxygen does the Earth's atmosphere contain?
Answer: 21 %
5
How many laws of robotics did Isaac Asimov impose on his robots?
Answer: 3
6
How many arms does a snowflake have?
Answer: 6