The document discusses different instruments used to measure various weather conditions, including a thermometer for temperature in degrees centigrade, a rain gauge for precipitation in milliliters, a barometer for air pressure in millibars, an anemometer for wind speed in miles per hour, and a weather vane for wind direction shown as a compass direction. It also provides definitions for weather, describing it as short-term atmospheric conditions, and climate, referring to averaged weather over 30 years or more.

1. Measuring the weather 29 May 2009 Key words: Thermometer Rain gauge Barometer Anemometer Weather vane

2. Definitions What is ‘Weather’? Weather is the short-term day-to-day state of the atmosphere What is ‘Climate’? Climate is the average of weather conditions over a long period, at least 30years

3. Different types of weather …

4. Copy and complete this table…… Description Unit Instrument Type of weather

5. Match up the cards with the correct instrument. You need the following for each: 1. Type of weather 2. Instrument name 3. Unit of measurement

6. Weather vane Thermometer Anemometer Barometer Rain gauge

7. Were you right? Check and correct your answers Millilitres (ml) Rain gauge Precipitation Millibars (mb) Barometer Air pressure Compass direction Weather vane Wind direction Miles per hour (mph) Anemometer Wind speed Degrees centigrade Thermometer Temperature Description Unit Instrument Type of weather