1. AUSTRIA BHAK Grazbachgasse

2. Kathi impatient and Max

3. Project development Earth radius measurement Plans for constructing a sundial Plans for the second year

4. Earth radius measurement Preparation: Thin rod as gnomon axis with direction north-south Measurement on March, 11 th Rod length 30 cm Results: Shadow length 37 cm Sun in zenith at 12:10

5. 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

6. Plans for the next year Air Pollution in Graz

7. 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 data o Discuss solutions from the government o Develop own ideas

8. Causes I traffic industry

9. Causes II heating with fire valley position of Graz

10. Solutions from the government

11. What everyone can do ?