How do you beat stage 5 on questionaut

You have to answer at least 5 questions correctly, without missing any, to complete each of the 8 stages by filling the balloon with bubbles. A correct answer gives you another bubble. An incorrect answer will take away a bubble.

To start the stage:
Click on the long icicle and bottom right, break it off and and put it in the flask.
Click the wheel on the gas supply to turn it counterclockwise twice.
Click the matches, take one, strike it on the box, and click to light the burner.
When the plug lifts and the skater comes up, click him when he is near the pole.