No Pressure with this Easy Barometer

Do you ever wonder how meteorologists predict the weather? With a few common household items, this episode of STEM Unplugged will show you how to make a tool that can help track changes in air pressure to predict the weather at home. 

Supplies 

• Jar 
• Tape 
• Scissors 
• Balloon 
• Straw 
• Rubber bands 
• Marker 
• Paper