vendredi 27 avril 2012

We made a volcano in class

Krakatoa in Indonesia

In class this week we learned about volcanoes.  We found out what happens when you mix baking soda and vinegar.  We made a model of a volcano and we saw how magma (hot liquid rock) flows out of the crater at the top of a volcano.

This is a report about a science experiment we did in class written by two pupils:   

Yesterday we made our own volcano.
First Mrs Thorogood built a cardboard volcano on a paper plate round a small plastic bottle and brought it to school.
Then we filled the bottle with baking soda.
Then we added some red food colouring to the baking soda so it looked like lava.
Then we added vinegar to the (red) baking soda.
At the final step we watched our volcano erupt.
That was awesome!

We also invited the Greek 3rd year class and they joined us to watch the eruption.

Written by T (also now known as Dark Spyro) and Catstein Junior
from the Danish section

Here is a diagram of a real volcano:

Pedagogical note:
We learned the new vocabulary from our class books.  These contain some cognates from our own languages.  We studied a diagram and read about a volcano erupting.  We followed the instructions using the indicative tense in English then we wrote up the experiment, putting the indicative into the simple past.

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