science lesson

1. Describing Weather
( Objectives )
The Student be able to :
1-Explore how you can describe and measure
weather conditions ( temperature, air pressure,
precipitation, and wind )
2-Identify how can we read a weather map.
1

2. How do you describe weather?
when scientists describe weather,
they measure temperature, air
pressure, amount of precipitation,
the speed and direction of the
wind.
2

3. Weather
Condition
How to measure? Instrument
Picture
1-Temperature thermometer
2- Air Pressure Barometer
If reading is rising…..fair
weather
If reading is falling……
Precipitation on the way
3-Precipitation Rain gauge
3

4. Weather
Condition
How to measure? Instrument
Picture
4-Wind Direction Weather Vane
The arrowhead tells
you where the wind is
coming from.
5-Wind Speed Anemometer
4

5. How do you read a Weather Map?
* Scientists gather data about the weather.
* They use symbols to show the data on a large area.
• Scientists then share these information with others
to make weather forecasts.
• Each color band represents an area where the
temperature falls in the same range.
5

6. 6

7. Check for understanding
7

8. 8
Characteristics of Weather How it is measured
Temperature …………………………………..
....................................... barometer
Wind Speed ………………………………..
………………………………. Wind Vane
Precipitation ………………………………………

9. 9
Weather map
Barometer
Weather Vane
Thermometer
Rain gauge
Anemometer