Ever wanted to make a really cool explosion? Make a bubble bomb! You'll be amazed at what happens when two seemingly plain ingredients are mixed together! HINT: It's an EXPLOSIVE result!
To see the physical changes in the bag when the 2 ingredients are mixed together.
To observe a chemical reaction.
Difficulty of Project: Low (Level 1)
Cost of Completing Project: $2
Approximate Time: Less than 10 minutes
Zipper lock plastic bags (sandwich size)
STEP 1: Find the best location to explode your bubble bomb (preferably outdoors).
STEP 2: Test the bag for leaks by placing some water in it and sealing the bag. Use another bag if there are any leaks.
STEP 3: Tear a paper towel into a 5 inch by 5 inch square.
STEP 4: Place 2 tablespoons of baking soda inside of the paper towel and fold both sides over again and again until all the baking soda is covered and the paper towels are in a neat square.
STEP 5: Pour ½ cup of vinegar and ½ cup of warm water into the bag. You can also add some food coloring if you'd like a colored "pop".
STEP 6: Carefully place the baking soda packet in the bag, but make sure it doesn't touch the vinegar yet. Keep the packet in place inside the top of the bag by holding it from outside the bag. (See photo) Seal the bag.
STEP 7: Place the bubble bomb on the ground and back up.
When baking soda and vinegar come together they react quickly. They form carbon dioxide gas rapidly which increases inside of the bag. When it gets too full the bag bursts! You are observing a chemical reaction that releases a great deal of gas in a very short span of time.
1. Would this experiment work if you used a larger bag?
2. Does the amount of baking soda matter?
3. What would happen if you used a different acid like lemon juice?
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