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What is the problem of the science project of how salty does the sea have to be before an egg floats'?
The experiment is about density change of salt solution and the buoyancy force due to density difference of the object (egg) and medium (salted water).
Do all eggs float in salty water?
First, it must define how salty it is, a salty water could have density between 1 g/cm3 to 1.2 g/cm3 at saturated concentration. The chicken egg is 1.04 g/cm3 with some little variation and would sink when the salt concentration reach about 6 - 7%. Egg of different species would have different density but I had no data if there is any egg species that may float in saturated salt concentration or not. Far as I knew, the egg shell for chicken is around 2 g/cm3 and it would mean any animal with more shell thickness per volume would had higher density.
Why does the boiled egg sink?
Depends on the egg, those with hard shells are not permeable to water so they wouldn't gain mass. In other cases, if there's a higher concentration of solutes in an egg in an environment, then water naturally goes in unless there are mechanisms to constantly remove water.
Is salty an adjective?
"Salty" is an adjective. Eamples are "salty pretzel," "salty language," and "salty fisherman."You can sometimes identify a word as an adjective or an adverb by the base word.If the base word is a noun, then it's an adjective.Examples: salty lovely beastlyIf the base word is an adjective or a verb, then it's an adverb.Examples: lovingly scornfully ridiculously anxiously
What does isotonic to environment mean?
"Just as salty as the environment."
