this post was submitted on 02 Mar 2024
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Four states of matter are observable in everyday life: solid, liquid, gas, and plasma. Many other states are known such as Bose–Einstein condensates and neutron-degenerate matter but these only occur in extreme situations such as ultra cold or ultra dense matter.
Yup!
Really we should talk about quasi particles too. Not exactly a state of matter but stuff like polaritons blur a few lines.
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Like, water alone has like, five different phases IIRC.
Or was that helium?
you might by confusing "solid phases" for states of matter.
If we draw a phase diagram you'll see shit like ice, ice 2: the cooler ice, ice 9: radical edition or whatever but they're all solid phases. The they just have different structures.
Sort of like lamp black and graphite are both forms of carbon but not really because that's got to do with distinct bonding. A better example, if you know your steels, is martensite vs autensite.
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Ahh yes. Good ol' Michael Reeves. Awesome.
Which one of his videos is this from?
The teacher is a high school student?
4 is the worst possible answer there is.
You either accept a simple model (fitting the audience/context) or your being pedantic about it, then the answer is anything >=5, but definitely not 4.