You won't need much to do this experiment, but you will need these:
1. Narrow-mouthed vase or bottle
2. Baking soda
5. A balloon
Step 2: Step One: Fill The Bottle
Take the spoon and put in some baking soda. Doesn't really matter how much, just make sure you've got a couple of spoonfuls.
Step 3: Step Two: Fill The Balloon
First, fill the balloon with air like the first picture indicates. Then stretch it over the mouth of the vinegar bottle and fill it with vinegar. Pinch it closed and hold it until the next step.
Step 4: Step Three: Prepare For The Reaction
Carefully stretch the balloon over the mouth of the bottle- don't dump the vinegar in yet! Then carefully move the setup into a sink and set the vase down.
Step 5: Step Four: Perform The Reaction
With your hand on the mouth of the bottle, carefully tip the balloon over, dumping in the vinegar. Watch as the balloon fills with a gas. That gas is a good portion carbon dioxide. Although it isn't pure because of the air in the bottle, it's enough to extinguish a candle.
You're finished! Clean up your mess and make sure to favorite this tutorial!