Baking Soda & Vinegar Lava Lamp
Made for parents and teachers

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Chapters
0:00 Kids Fun Science Intro
0:36 What you need
1:31 Set up
1:53 1st experiment - Red vinegar
2:01 Science Behind it
2:46 2nd Experiment (Red & Blue vinegar)

Baking soda and Vinegar Lava lamp experiment you can make it using just a few simple pantry ingredients and recycled jar or glass. It doesn’t get any easier than this!

When you add the vinegar, which is more dense than the oil, it sinks down through it at the bottom. Sometimes this doesn't happen right away and you will see little bubbles of the vinegar floating in the oil just above the colored water!

When the vinegar (acetic acid) and baking soda (bicarbonate of soda, a base) mix together a chemical reaction begins, the same gas that we also breathe out, carbon dioxide. These gas bubbles back out up through the oil. When the bubbles pop at the surface, any vinegar they carried with them will sink again while more bubbles continue coming up.

This carries on while the chemical reaction continues - you can keep adding more acid every now and then until it stops.

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