Science Experiment: Balloon Inflation

Explore simple chemical reactions with a fun balloon inflation experiment. Kids will enjoy watching the balloon expand using household items while learning about gas production.

STEMEducational
AgeAges 9–12
Duration10 min
DifficultyEasy
CostFree
LocationIndoor

Educational Value

Demonstrates gas production and chemical reactions in an engaging way.

Materials Needed

Prep progress

Step-by-Step Instructions

  1. 1

    Use a funnel to add 1-2 tablespoons of baking soda into the balloon.

  2. 2

    Pour about 1/4 cup of vinegar into the water bottle.

  3. 3

    Carefully stretch the balloon over the bottle opening without letting the baking soda fall in yet.

  4. 4

    Lift the balloon to let the baking soda fall into the vinegar and watch the balloon inflate.

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Frequently Asked Questions

What materials do I need for Science Experiment: Balloon Inflation?
You'll need: balloon, empty water bottle, baking soda, vinegar, funnel. Most items are common household supplies.
What age is Science Experiment: Balloon Inflation best for?
This activity is designed for children ages 9 to 12. Difficulty level: easy. You can adapt the steps for younger or older kids.
How long does Science Experiment: Balloon Inflation take?
Plan for about 10 minutes. It's a quick activity — great for busy days.
Is Science Experiment: Balloon Inflation an indoor or outdoor activity?
This is an indoor activity. All you need is a clear table or floor space.
What will my child learn from Science Experiment: Balloon Inflation?
Demonstrates gas production and chemical reactions in an engaging way.

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