Weather and Climate Flashcards
What is the atmosphere?
The atmosphere is the thin layer of gases that surrounds the earth.
Approximately how deep is the troposphere in our atmosphere
10km deep
What are the 3 main gasses contained in the atmosphere?
Nitrogen 78%
Oxygen 21%
Other gases 1%
what is the difference between the terms weather and climate?
Weather is the state of the air and atmosphere at a particular time and place.
Climate is the long term pattern of weather in a particular place.
What type of graph shows rainfall?
A climate graph shows rainfall.
what is the unit of measurement for temperature?
Degrees Celsius.
Name any 3 elements of the weather and three instruments used to measure each one.
Precipitation (Rain)- Rain gauge
Wind- weather vane
Temperature- Thermometer
What is wind speed measured in?
Mph (Miles per hour)
Describe weather in Northern Ireland.
Changeable
Why is our weather so changeable
Our weather is so changeable because warm air from the south collides with cooler air from the north forming fronts and clouds.
What direction do air masses bringing cold wet weather from the British Isles come from?
Polar maritime and polar contential both come from north.
What are clouds?
A cloud is a visible mass of condensed water vapour particles.
What is another name for a thunder cloud?
Cumulonimbus.
What is cloud cover measured in?
Oktas
What “E” describes the process of by which water enters the atmosphere in the water cycle?
Evaporation