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Physical and chemical changes (experiment instructions)

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Subido el 10 de mayo de 2020 por Julia R.

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Hello again! Okay, now we have an experiment. For this experiment you need vinegar, 00:00:02
baking soda, a bottle, a funnel, and a balloon, okay? First you have to watch the explanation 00:00:13
and then you go to the chart with the scientist method. You fulfill the two first 00:00:28
questions, then you do the experiment and you fulfill the two next boxes, okay? 00:00:34
Let's start. We take the vinegar. The bottle is not very big, but the 00:00:42
main thing is the entrance must be small, okay? So we put the vinegar in, we leave it here, we take the 00:00:52
balloon, we use the funnel just to make it easy, easier, I mean, to put the bacon soda in, okay? 00:01:19
more or less two tablespoons. Now we have to connect the balloon with the bottle 00:01:31
but careful because the vacancy shouldn't go into the bottle yet okay so 00:02:01
just open it it's elastic so it's very easy and here it is what do you think is going to happen 00:02:08
when we go with the balloon up and the bacon so that gets into the bottle mixing with the 00:02:20
vinegar this is the first question okay and the last question after seeing everything 00:02:29
In the conclusions, please, after doing the experiment, try to explain if this change is physical or if it's chemical, a chemical change, and why. 00:02:39
See you later! 00:03:04
Idioma/s:
en
Autor/es:
Julia Ramallo Cuesta
Subido por:
Julia R.
Licencia:
Dominio público
Visualizaciones:
168
Fecha:
10 de mayo de 2020 - 18:50
Visibilidad:
Público
Centro:
CP INF-PRI EUGENIO MARIA DE HOSTOS
Duración:
03′ 08″
Relación de aspecto:
1.78:1
Resolución:
854x480 píxeles
Tamaño:
80.88 MBytes

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