What’s the difference?
Climate?Typical weather over a
LOOOONGperiod of
Weather?Over a short
period of
WindCloudinessPressure
TemperaturePrecipitation
Hot Cold Wet Dry
Weather
Weather is the day today condition of the earth’s atmosphere.
What causes changes in weather?
• The atmosphere is the layer above the
crust where weather happens the
causes weather when it unevenly heats
the surface.
How does wind happen?
Warm air coolsbecoming denser
Warm air rises into the atmosphere
Cool air sinks
Producing Wind
Weather Instruments• Thermometers: temperature
• Barometer: air pressure
• Anemometer: wind speed
• Rain gauge: rainfall
Questions for you!
1. How does the sun affect weather?
2. Where does weather occur?
3. What happens to air as it cools?
4. How is wind produced?
ClimateThe location can be hot, cold, wet, or dryover an extended period of time.
A LOOOOOOOOONG Time!!!
What is our climate?
Desert Climate?
Tropical Climate?
Rainforest Climate?
Mountain Climate?
Water Cycle
Evaporation
The sun evaporates water from the ocean
Condensation
Rain forms when water vapor condenses in the atmosphere forming clouds
Precipitation
Rain, sleet, snow, or hail falls to form and fill rivers
What determines if it is rain, sleet, snow, or hail that falls?
30’ 10’ 19’
Outflow
Run off
Pollution
Accumulation
InfiltrationWater soaks into the ground
Water absorbed into the roots
Transpiration Water evaporates from the surface
of leaves
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