States of Matter solids liquids and gases Properties of Matter Chemistry FuseSchool

FuseSchool - Global Education · ⏱ 2:43 · 881 مشاهدة · 13 jaar geleden

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states of matter in this video you are going to learn what the three states of matter are some examples of each state of matter the characteristic properties of the three states of matter the three states of matter are solid liquid and gas let us look at solids an example of solid is your computer the properties of solids depend on how the particles in solids are packed in solid the particles are closely packed in fixed positions and cannot move anywhere so solids are rigid cannot be squashed or compressed have fixed shape and fixed volume they cannot flow now let us look at liquids an example of liquid is water just as with solids the properties of liquids depend on how the particles in liquids are packed in liquid the the particles are again closely packed but not as closely packed as in solids so this means the particles in liquids can move around each other so liquids are not rigid but because their particles are closely packed as in solids they cannot be squashed or compressed they do not have fixed shape but they do have fixed volume Beware with that one as many students think because liquids do not have fixed shape they do not have fixed volume either but they are wrong if someone orders pint of beer they cannot make it two pints by pouring it into different containers as you know liquids can flow finally let us look at gases an example of gas is helium this is the gas in party balloons because it is less dense than air and unreactive again as with solids and liquid liquids the properties of gases depend on how the particles in gases are packed unlike solids and liquids the particles in gases are not closely packed they're far apart as result gases are not rigid and can be squashed or compressed they do not have fixed shape nor fixed volume they fill the whole Space they are in for