All Questions
3
questions
75
votes
5
answers
66k
views
Why does a candle blow out when we blow on it? Our breath is 16% oxygen and only 4% CO2
Don't say that a layer of carbon dioxide covers the flame, because our breath has more oxygen than carbon dioxide.
Also, our breath does not extinguish the flame by cooling it as it is itself warmer ...
- 2,326
1
vote
2
answers
3k
views
The Soda Can and air pressure experiment
Yesterday, I made an experiment. I filled an empty (but contains air) soda can with a little bit of water. Then I turn on fire at the sides of the soda can so that the water starts boiling. Next, I ...
- 13
8
votes
1
answer
7k
views
Weather forecasting with coffee bubbles
The other day I saw this life-hack:
And I was wondering how true it is. First of all, I always thought(listening to weather forecasts) that low-pressure atmosphere is what correlates with rain; ...
- 6,004