Marina di Carrara - meteo
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Transcript of Marina di Carrara - meteo
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Comenius ProjectWeather conditions
COMPREHENSIVE SCHOOL“M. BUONARROTI”Marina di Carrara
Presents
LaFrançaise, February 2011
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Our Group
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Our tools
The rain gauge
The windsock
The water barometerThe psycrometer
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• The rain gauge is an instrument used to measure the amount of rainfall through the height of the deposited water.
Our rain gauge
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• Material: very light fabric, wire, two rings, a broom, a stick.
Our windsock
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The windLooking at the position of the windsock we can define if the wind is absent or, if present, if it is weak, medium or strong. From the direction that the windsock takes, with the help of a compass, we can determine the wind direction, that is the cardinal point from which it blows and notes are written in the table.
…and our wind rose
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Our water barometer
Step1: water level is the same
Step2: Outside, the water level of the straw is down
Step3: near the radiator, the water level of the straw is up
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How to build and how to use our psycrometer. How to measure
indirectly the relative humidity
1 2
3 4 5
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In our little “WEATHER STATION”
we have the thermometer, the
hygrometer and the barometer
Finally we have the instruments and we can begin to collect
the observations and to record data
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Our data: manual graphs
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Our data: digital graphs
November temperatures
-5
0
5
10
15
20
25
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31
days
tem
pe
ratu
re
MAX
MIN.A!
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Our laboratory experiments
The acid rain
The clouds in a jar
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MATERIAL
Papers with universal indicatorDistilled waterRainwaterVinegarHydrochloric acidBicarbonateDishwashing liquid Saliva
We collected rain water in a clean jar and found the ph using papers with universal indicator.We then compared the colour of the paper that was submerged in rainwater with the one that the paper takes in distilled water.
Acid rain
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We repeat with the vinegar, dilute hydrochloric acid, bicarbonate, dishwashing liquid, saliva.
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sample Universal paper colour
Ph value
Distilled water ?
Rain water Light green 6
Vinegard Red 3
Hydrochloric acid Deep red 1
Bicarbonate Light blue 12
Dishwashing liquid Yellow 7
Saliva Light green 6
We have different ph values. The more acidic substance is the hydrochloric acid, the less acidic one is the bicarbonate.
Table
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- damages to the trees that get sick and dry - acceleration of the melting of ice- pollution of the lakes, killing animals and plants that inhabit them- attacks and damages to the marble monuments
1908 1968
Adverse effects of the acid rain on the environment
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Could also it occur in Carrara?
What will happen to our old cathedral, completely covered with fine white marble from the quarries?
The rose window in 2011 …The rose window 50 years later
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Three special events
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November begins with bad weather conditions. Heavy rains and landslides occur
in and around Carrara
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It snows today!
The snow, 2010 – December 17th
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…some unusual landscapes
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• January 4th
2011, 9.20 a.m. – our solar eclipse
- Latitude 44°02’- Longitude
10°02’
Solar eclipse
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See you in Carrara!by
pupils of 1A - Secondary school
3A,4A e 4B Primary school
Scientific project: Tiziana PerfettiTexts: Maria Antonietta Caporale
Graphics and technical support: Claudia TomasiSupervision: Rossella Bragazzi