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\nHow to Blow a Balloon Underwater\n

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\nThis experiment looks simple, but a lot of science is involved here. We are making a chemical reaction to change the combined density of our bottle with a balloon. That makes it float to the top with all the heavy weight of paperclips. ...\nThis experiment looks simple, but a lot of science is involved here. We are making a chemical reaction to change the combined density of our bottle with a balloon. That makes it float to the top with all the heavy weight of paperclips.

What you need:
• A small bottle
• Paperclips and (small nuts or pebbles)
• Baking Soda
• Funnel (optional)
• Teaspoon
• Balloon
• Vinegar
• Pipette
• Vase or tall glass
• Water

Instructions:
1. Take a small bottle, fill it with some paper clips, small nuts or pebbles (high density materials), to make it heavy.
2. Add half a teaspoon of baking soda into the bottle. You might need to use a small funnel.
3. Use a pipette to put about 3 squirts of vinegar into the balloon.
4. Wrap the balloon around the lip of the bottle, but make sure
that the vinegar does not go into the bottle.
5. Take a vase or tall glass and fill it with water.
6. Carefully grab the bottle by the neck, making sure that the balloon0
is hanging down by its side.
7. Drop it into the water.
8. What happens? Does the bottle go to the bottom? Does it stay there?

The Science Explained:
This experiment looks simple, but a lot of science is involved here. Can you see the bubbles? Those bubbles are filled with a gas called Carbon dioxide (CO₂), a substance that was created when we mixed the vinegar and baking soda. The combined density of the contraption we made is higher than that of the water, so it sinks to the bottom at first. After the chemical reaction takes place, created CO₂ decreases the density of the contraption to a point lower than that of the water, so it floats to the top\n
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Resource Details

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Educator Rating
Not yet Rated
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Media Length
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1:42
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Grade
Pre-K - 8th
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Subjects
English Language Arts
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Media Type
Instructional Videos
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Source:
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\nTheDadLab\n\n
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Date
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2021
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Concepts

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baking soda
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Additional Tags

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cool science experiments, fun science experiments, science for kids, cool science projects, easy science experiments for kids, kids science experiment, baking soda and vinegar, experiment to do at home, blowing up balloon experiment, easy kids experiment, blowing up balloon with baking soda and vinegar, chemical reaction, kids doing science experiment
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