STEAMweekend #2 Building Barometers

This weekend we explore weather technology you can build at home! Barometers measure air pressure and can tell you when the weather changes around you.
Supplies for this project:
Empty Glass Jar or Metal Can
Unused Balloon
Rubber Band
Plastic Straw
Liquid Glue
Scissors
Piece of Paper
Ruler
Marker or Pen
Don't forget to have FUN!