Weather Instruments

The Weather

Thermometer

A thermometer is a device that measures the temperature. When the air around the tube heats up the the alcohol. THe alcohol shoots up the thermometer and tells you what the temperature is. Daniel Gabriel Fahrenheit founded the thermometer he was a Dutch- German physicist.

Barometer

A barometer measures air pressure it lets you know if the pressure is rising or falling. If it rises it means that is going to be good sunny and hot weather but if it falls it means its going to be bad wet, rough weather. Evangelista Torricelli was an Italian physicist who invented the Barometer.