2. Process
• Pick a sharp kebab stick and put on it oil.
• Carefully push it into the balloon near the neck.
3. • Then push it out of the balloon through the opposite
the neck side.
4. Explanation
• The rubber at the ends of the balloon is stretched out
less than in the middle of the balloon.
• Therefore, there is less force pulling on it. This allows
the skewer push the molecules of rubber and slide into
the balloon.
