Physiscs: Atmospheric Pressure

Materials

• Erlenmeyer flask.
• Cotton.
• A peeled hard-boiled egg.
• A clamp.
• Matches.

Steps / Procedures

• Light a little cotton with a match.
• Put it in the erlenmeyer flask.
• Put the hard-boiled egg in the mouth of the erlenmeyer flask.

Concuclusion

The difference between the pressure inside ( very low ) the flask and outside (atmospheric pressure), makes the egg to get trough the flask mouth