austria bhak grazbachgasse. kathi impatient and max
TRANSCRIPT
AUSTRIA
BHAK Grazbachgasse
Kathiimpatient
and
Max
Project development
Earth radius measurement
Plans for constructing a sundial
Plans for the second year
Earth radius measurement
Preparation: Thin rod as gnomon
axis with direction north-south
Measurement on March, 11th Rod length 30 cm
Results:Shadow length 37 cm
Sun in zenith at 12:10
Analematic sundial
Person acts as gnomon
On the sports ground
Data needed:Geographical latitude of Graz
Minor axis in north-south direction
Suns‘s declination for each month gives the distance from March 21
Hour angle of the sun for each day gives the distance towards north
Plans for the next year
Air Pollution in Graz
Air Pollution in Graz
What we plan to do:
o Collect data on atmospheric matter in Graz
o Discuss formation, composition and development of air pollution
o Statistics using these datao Discuss solutions from the government o Develop own ideas
Causes I
trafficindustry
Causes II
heating with firevalley position of Graz
Solutionsfrom the government
What everyone can do
?