Page 67 - Knowledge Organiser Yr8 24-25

Knowledge Builder: Geography Weather and Climate Year 8 | Autumn Term 1
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Want to know more about weather and see what GCSE students need to understand.
Stretch your vocabulary
a.1
absolute humidity
The mass of water vapor present per unit volume of space. Also considered as the density of the water vapor. It is usually expressed in grams per cubic meter.
a.2
dew point
The temperature at which dew would form assuming all other conditions remained the same. The dew point is a function of the air temperature and humidity.
a.3
hygrometer
An instrument that measures the water vapor content of the atmosphere.
a.4
wind chill factor
The perceived decrease in air temperature felt by the body on exposed skin due to the flow of air.
a.5
jet stream
A narrow band of strong winds usually found at elevations from 20000 to 50000 feet.
a.6
El Niño
The cyclical warming of East Pacific Ocean sea water temperatures off the western coast of South America that can result in significant changes in weather patterns in the United States and elsewhere.
International news organisations have noticed that the UK weather seems to be changing
What does the Met office say about extreme weather events here in the UK?
Hot air helicopters with Richard Hammond.
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