1. Comenius-Eco PalsComenius-Eco Pals Green Workshops outside the classroomGreen Workshops outside the classroom June 2014June 2014

2. How to calculate the age of theHow to calculate the age of the tree?tree? 1.Choose and check species names a few trees. 2.Measure circumference of the tree trunk at a height of about 1, 3 m 3.Calculate diameter of the tree trunk, dividing the result by 3.14. 4.Check age of the tree to the table on the next slide. 3. We calculateWe calculate Fill in exercises in the workbook. 4. The largest tree in theThe largest tree in the school yard.school yard. It is a lofty Ash. It isa 145 years old 5. The girls in our class measureThe girls in our class measure the tree.the tree. 6. Further solving exercises.Further solving exercises. 7. Photo gallery.Photo gallery. 8. TThhee EEnndd Presentations prepared by: Jakub Pitek Igor Jaworski 9. TThhee EEnndd Presentations prepared by: Jakub Pitek Igor Jaworski