How Do You Make A Simple Weather Barometer?
Perfect for a science project or just for an at-home activity, making your own weather barometer is simple. All you need is a glass, a straw and a balloon plus tools you’ll have at home or school. The finished product will allow you to measure atmospheric pressure – one of the measurements that meteorologists use to make forecasts! • Things you’ll need Gather the things you’ll need, listed below. Scissors tape balloon jar elastic and a straw. • Blow up your balloon Blow up the balloon carefully and then let the air out of it again. This is to stretch it. Deflate balloon completely • Cut balloon in half Cut the balloon in half. Discard the piece with the neck on it. 2 pieces of balloon – discard the neck piece • Stretch balloon over mouth of jar Take the remaining piece of the balloon and stretch it across the glass or jar. Keep it stretched firmly across and sealed down with the rubber (elastic) band, around the rim of the glass jar. To make an airtight seal, avoid gaps between the bal
