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Matter's properties: MASS AND VOLUME

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Subido el 3 de mayo de 2020 por Julia R.

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Hello everybody! How are you? I know you have watched the videos and you have read 00:00:02
the book so you know what matter is and now you know a little bit about mass and 00:00:08
volume that are the properties of matter. So I just want to talk to you just a 00:00:13
little bit, just a very short explanation about this topic, okay? What is mass? Mass 00:00:18
is the amount of matter, okay? For example this lemon, the amount of matter of this 00:00:24
lemon is measured in grams, in kilos but in this case as it is small we use grams 00:00:30
and to measure it we use this thing that is the scale. So just to know the mass of 00:00:35
this lemon we have to switch it on, put the lemon on it and now we know that 00:00:44
it's 122 grams, okay? To know the volume, to know the volume is, remember is the 00:00:49
the space that the object occupies how big or small it is there are many ways 00:00:59
but for this kind of objects I would say that we have to use this okay we have a 00:01:05
glass of with water and I don't know if you can see it but it has numbers saying 00:01:12
the milliliters so now the water here is 400 milliliters so to know the volume we 00:01:18
have to put the lemon in just pressing yeah and to know the difference of water 00:01:27
so it was 400 and now is around 550 so the volume of this lemon is 150 00:01:36
milliliters okay but we have to be careful because in general big things are heavier than small 00:01:51
things for example we have the lemon and this bowl this one is bigger of course the volume is higher 00:02:01
than this one but what about the mass this one we know that it's 120 grams let's see 00:02:08
the mass of this ball have to stop it it says that it's 20 20 grams so this one this this 00:02:16
ball is smaller and so the volume is lower and is lighter okay but sometimes the big thing can 00:02:31
be lighter for example this foam ball it's bigger of course we can see the 00:02:43
difference of size but when we measure with the scale we see that it's 31 grams 00:02:49
that means this one is bigger okay but it's lighter and this one is the lemon 00:02:57
is smaller okay the volume is shorter is lower but it's heavier the mass is higher than the ball 00:03:04
and we have to be careful with this okay i think that's all i hope you have understood everything 00:03:14
if you don't just ask me by email okay bye bye lots of kisses for you bye bye 00:03:24
Idioma/s:
en
Autor/es:
Julia Ramallo Cuesta
Subido por:
Julia R.
Licencia:
Dominio público
Visualizaciones:
213
Fecha:
3 de mayo de 2020 - 20:47
Visibilidad:
Público
Centro:
CP INF-PRI EUGENIO MARIA DE HOSTOS
Duración:
03′ 32″
Relación de aspecto:
1.78:1
Resolución:
854x480 píxeles
Tamaño:
89.20 MBytes

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