Page 66 - Knowledge Organiser Yr8 24-25

Knowledge Base: Geography Weather & Climate Year 8 | Autumn Term 1
1. Weather & Climate: General Concepts
2. Precipitation
2.1 precipitation
2.2 relief rainfall
2.4 frontal rainfall
2.6 cold front
2.7 warm front
2.8 anticyclone
2.9 depression
1.1 weather
1.3 air pressure
1.4 evaporation
The day to day state of the atmosphere.
The force exerted onto a surface by the weight of the air.
The conversion of liquid water into water vapour.
Water that falls from the sky (e.g. rain, hail, snow, etc)
Rain caused by warm wet air rising over hills or mountains.
The type of rain that occurs when two air masses meet.
The boundary of an advancing mass of cold air.
The boundary of an advancing mass of warm air.
A weather system with high pressure at its centre.
A weather system with low pressure at its centre.
1.2
climate
The weather conditions prevailing in an area in general or over a long period.
2.3
convectional rainfall
The type of rainfall that occurs when the land warms up, heating the air above it and therefore causing the air to expand and rise.
1.5
condensation
The conversion of water vapour into liquid droplets in clouds.
1.6
isobars
A line drawn on a weather map through points of equal atmospheric pressure.
1.7
greenhouse effect
The trapping of the sun’s warmth in a planet’s lower atmosphere.
2.5
weather forecast
An analysis of the state of the weather in an area with an assessment of likely developments.
1.8 synoptic chart
1.9 prevailing wind
3. Effects (impacts)
3.1 effect
A map that summarises atmospheric conditions.
The most frequent wind direction.
What happens as a result of an event.
2.10
hurricane, cyclone, typhoon
A large tropical storm system with high-powered circular winds.
1.10
North Atlantic Drift
The warm ocean current flowing from the Caribbean to Europe.
4. Responses
4.1
response
What people do either before, during or after an event to reduce the negative effects.
4.2
immediate responses
How people react during a disaster and straight afterwards.
4.3
long term responses
Later reactions that happen in the weeks, months and years after the event.
5. Managing the risk of living with extreme weather
5.1
preparing
How people organise themselves and their society in expectation of a hazard event.
5.2
protecting
How a people design buildings and infrastructure to be safer in the event of a hazard.
5.3
predicting
Using available evidence to try and say when and where a hazardous event will happen to reduce damage.
3.2
primary effect
The immediate effects of a hazard, caused directly by it.
3.3
secondary effect
The after effects that occur as an indirect effect of a hazard on a longer timescale.
3.4
social
Affects how people relate to each other.
3.5 economic
3.6 environmental
Affects how people make money.
Affects our physical surroundings.
66