What’s the difference?

Climate?Typical weather over a

LOOOONGperiod of

Weather?Over a short

period of

WindCloudinessPressure

TemperaturePrecipitation

Hot Cold Wet Dry

WeatherWeather 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