Weather balloon facts for kids
A weather or sounding balloon is a balloon (specifically a type of high altitude balloon) which carries instruments in the sky to send back information on atmospheric pressure, temperature, and humidity by means of a small measuring tool called a radiosonde. To get wind data, they can be tracked by radar, radio direction finding, or navigation systems (such as the satellite based Global Positioning System).
Images for kids
Picture taken at approximately 30 km above Oregon using a 1,500 gram weather balloon
Weather balloon Facts for Kids. Kiddle Encyclopedia.