What do you do on the days when it’s raining or extremely hot or cold outside? You can do fun science experiments! Today my son and I decided to do a bubble experiment; however, there was something different about this one.
We all know that bubbles pop shortly after they are formed. This happens when the water between the soap film surface evaporates. We made bubbles that would NOT pop! It is called the unpoppable bubble!
Kids will be amazed at how difficult it will be to pop a bubble in this experiment. Try this activity for yourself and see your child’s amazement!
Let’s Get Started!
Materials:
- Water (4 parts)
- Dish soap (1 part)
- Corn Syrup (2 parts)
- Straw
- Pencil
- Food coloring (optional)
- Bowl
Directions:
- Fill a bowl with water
- Put a few drops of food coloring in the water.
- Put dish soap in the water.
- Mix in the corn syrup.
- Dip the tip of the pencil in the mixture.
- Dip one end of the straw into the mixture and blow into the other end to make bubbles.
- Try to pop the bubble with the pencil.
- Now try to pop the bubble with your finger.
- Watch the video below to see our unpoppable bubble!
Why this experiment works:
- Bubbles are made of two basic things: water and air
- Adding soap and corn syrup to water helps make the bubbles stronger
- Soap and corn syrup molecules squeeze in between water molecules and help the film of water stretch out without breaking.
- Bubbles made of just water pop quickly because their watery skins aren’t very stretchy.
- When a dry pencil touches a bubble, the water in the bubble’s skin sticks to the pencil and causes it to snap back.
Have fun with this activity!
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