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Kuvakäsikirjoitus Teksti
Good morning class, last meeting I told you to study about the making of your DIY volcano project, right?
Yes Sir!
Today, we will have an oral recitation first before you start making your science project.
10 ml of dish soap, 100 ml of warm water, 400 ml of white vinegar, food coloring, baking soda slurry, and empty 2-litersoda bottle
Okay let’s start. The first question is.. what are the materials that are needed to make a DIY volcano?
Very good, Grace!
Now, can you give me at least one procedure on making a DIY volcano.
First, combine the vinegar, water, dish soap and 2 drops of food coloring into the empty soda bottle.
Second,use a spoon to mix the baking soda slurry until it is all a liquid.
Third, eruption time! … Pour the baking soda slurry into the soda bottle quickly and step back!
carbon dioxide, Sir!
But how does it work? What do you call the gas that was created in a chemical reaction between vinegar and baking soda?
The gas gets very excited and tries to spread out...
and what happens if you shake up a soda?
...and there is not enough room in the bottle for the gas to spread out so it leaves through the opening very quickly, causing an eruption!
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