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STEDE (2001-2004) ( S cience T eacher E ducation D evelopment in E urope ). Group 10a: The use of distance learning in science teachers education. 238 U. 234 U. 4.5*10 9 lat. 4.2MeV. 234 Pa. 234 Th. 230 Th. 222 Rn. 3.8 dni. 5.5MeV. cavities in walls. gaps in florboats.
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STEDE (2001-2004) (ScienceTeacherEducationDevelopment in Europe)
Group 10a: The use of distance learning in science teachers education.
238U 234U 4.5*109 lat 4.2MeV 234Pa 234Th 230Th 222Rn 3.8 dni 5.5MeV
cavities in walls gaps in florboats construction joints cracks in walls cracks in solid floor graps around service pipes
I. RADONET PROJECT for teachers and their students 2. Method of studies - passive - TASTRAK detectors 3. Time - 3 lessons 4. Students’ tasks 5. Tasks for the teacher 6. Appendix
I. RADONET PROJECT for teacher and their students 6. Appendix
I. RADONET PROJECT for teacher and their students 6. Appendix
I. RADONET PROJECT for teacher and their students 6. Appendix
Number of measurements Bq/m3 Radon in our homes
II. Ionising radiation of radon and his daughter in electric and electromagnetic fields
2. Experimental setup The scheme of experimental setup
3. The results of investigations Comparison of radon concentration in different places in Torun
3. The results of investigations TASTRAK plates exposed to high electric fields with different electric field line distribution
3. The results of investigations The dependence of radon/radon daughters concentrations as the function of distance from the source of positive polarised electric fields 3000, 5000, 7000 and 9000 V
3. The results of investigations The dependence of radon concentration on humidity of the air