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Bubbly Volcano Song: How CO₂ Pushes Foam

◷ 2:07

A lively children’s song reveals what happens when baking soda meets vinegar: carbon dioxide gas, or CO₂, forms and pushes foam from an open bottle. Dish soap only traps the bubbles; it does not make the gas. Try it with a grown-up, on a tray, away from eyes, and never drink the mixture.

Text from the recording’s subtitles.

Song lyrics
Que cache notre montagne en papier ? Avec un adulte, pose le plateau Place le flacon plastique ouvert dans le cône Verse du vinaigre coloré Puis un peu de liquide vaisselle Verse le bicarbonate : ils réagissent Ça siffle, les bulles se multiplient Bicarbonate et vinaigre font du gaz Du dioxyde de carbone, CO₂ Ce gaz pousse la mousse au-dessus du bord Puis elle coule le long du cône Le liquide piège les bulles de gaz Comme un filet, il les emprisonne Mais ce savon ne fait pas de CO₂ La mousse monte et déborde alors Des ruisseaux colorés suivent le cône Bicarbonate et vinaigre font du gaz Du dioxyde de carbone, CO₂ Ce gaz pousse la mousse au-dessus du bord Puis elle coule le long du cône Ces bulles montrent le gaz tout juste formé Il a poussé la mousse hors du flacon On dirait de la lave : juste des bulles de savon Vinaigre et bicarbonate ont fait du CO₂ Ce gaz a poussé la mousse au-dehors
Language version lyrics
What wakes inside our paper mountain? With a grown-up, set the tray below An open plastic bottle fits the cone Pour in vinegar bright with color Add a little dish soap too Tip in baking soda; now they react Hear the hiss; quick bubbles multiply Baking soda and vinegar make gas Carbon dioxide, CO₂ That gas pushes foam up past the rim Then it streams down the paper cone Dish soap catches every bubble And holds the gas inside its foamy net But the soap makes no CO₂ Gas-filled foam climbs over the rim Colored rivers run down the cone Baking soda and vinegar make gas Carbon dioxide, CO₂ That gas pushes foam up past the rim Then it streams down the paper cone Those bubbles show the gas just made It pushed the foam out of the bottle It looks like lava, but it's only suds Baking soda and vinegar made CO₂ That gas pushed the foam outside
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Practice

Words, pictures and rhythm in this song

For this film: Bubbly Volcano Song: How CO₂ Pushes Foam

An excerpt from the recording

Que cache notre montagne en papier ? Avec un adulte, pose le plateau Place le flacon plastique ouvert dans le cône
Safety

This is a film-and-paper activity. Do not recreate experiments, take devices apart or touch unknown substances. Ask an adult if unsure.

Materials

The film, paper and a pencil. You can also answer aloud.

Steps

  1. Choose a short part of this song and note two words you actually hear.
  2. Draw a picture for that part or make a sentence with one selected word.
  3. Tap its rhythm quietly on paper. Point out when words or melody repeat.

What can you notice?

Answer in your own words first, then check the film. Mark a question you want to discuss with an adult.

Explanation sources

Original exercises for this film. Check answers against the source material.

2:00
Audio language: EnglishSongs

Bubbly Volcano Song: How CO₂ Pushes Foam

A lively children’s song reveals what happens when baking soda meets vinegar: carbon dioxide gas, or CO₂, forms and pushes foam from an open bottle. Dish soap only traps the bubbles; it does not make the gas. Try it with a grown-up, on a tray, away from eyes, and never drink…

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Follow a lemon-juice treasure map as its dried lines become almost invisible, then turn brown with careful warming. This catchy science song explains that the juice marks remain on the paper and change with heat. Only an adult handles the iron while the child watches from a…

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