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Egg in the Bottle
Transcript of Egg in the Bottle
How long will it take for a egg to get in the bottle with small neck, then with the bottle with big neck (just a size smaller than egg), using air pressure?
The hard-boiled egg gets sucked into the bottle. The hard-boiled egg gets sucked into the bottle. On blowing into the bottle holding it upside down so that the egg falls into its neck, the egg pops out.
We think the egg will get in faster in the bottle with the bigger neck than it will in the bottle with the smaller neck.
Matchbox and matches
Pieces of paper
1. Boil the egg until it becomes hard-boiled (simmer for approximately 5 to 7 minutes after the water comes to a boil)
2. Cool and remove the shell of the hard-boiled egg
3. Place the empty bottles on a flat surface
4. Drop a burning match into the first bottle with smaller neck just before placing the egg on the mouth of the bottle with the smaller neck.
5. Do the same thing with the bottle with the bigger neck after done with the first one.
Independent Variable: eggs
Dependent Variable: bottles
Control Group: Bottle with the smaller neck
Experimental Groups: Bottle with the bigger neck
Our hypothesis was correct because as we said the boiled egg in the bottle with bigger neck got in faster then the egg in the bottle with smaller neck. This is because the bottle with the bigger neck had more space then the bottle with the smaller neck. The varied effects of variations in air pressure are clearly demonstrated here. By dropping a burning match into the bottles just before placing the boiled egg on its mouth, the flame burns up all the oxygen inside the bottle. This in turn creates a vacuum inside the bottle that sucks the egg into the bottle.
To make this experiment better next time we should try a different method. We should have same size of bottles and same size of eggs, but in one bottle we should put more pieces of paper with fire than in the other one. If we do this than we could see if the air pressure will effect the time to get the egg in or not!