Naturfagseksamen Del 1 by https://padlet.com/3_0S/dd5sudkeia2s3cbe Elias, Mads & Sami en-us 2025-04-28 10:31:41 UTC 2025-06-09 14:36:59 UTC hello@padlet.com https://padlet.net/icons/8.0/png/1f468-1f52c.png Problemstilling 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3427847806 Hvad er stråling, hvordan påvirker uv-stråling organismers sundhed, og hvilke metoder kan bruges til at beskytte sig mod de biologiske skader, som stråling kan forårsage?


]]> 2025-04-28 10:40:36 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3427847806 1. Overemne: Stråling - Underemne UV-lys 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3427859790 2025-04-28 10:51:33 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3427859790 2. Hvad er stråling? 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3470863368 2025-05-28 10:58:13 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3470863368 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3470884952

  • Elektromagnetisk stråling fra solen

  • 3 typer

  • Kortere bølgelænde end lys - usynlig

    • ]]>     2025-05-28 11:24:01 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3470884952     3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481968586

  • Udsætte plastfolie for UV-A stråling

  • Materialets struktur

  • Ikke nok energi

  • Ionisere molekyler i plastfolien

  • Kemiske reaktioner

  • Hudvæv

    • ]]>     2025-06-07 10:48:10 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481968586     Forsøg 1 - Undersøgelse af UV-lysets effekt på materialer og organismer 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481972260 2025-06-07 11:01:08 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481972260 3. Hvordan påvirker stråling menneskets sundhed? 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481975831 2025-06-07 11:15:45 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481975831 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481981663

  • Gavnlige/skadelige effekter

  • Hudskader/solskoldning (Kollagen og elastin)

  • Basalcellekræft, Pladecellekræft og modermærkekræft

  • Solcreme (UV-filtre)

    • ]]>     2025-06-07 11:39:01 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481981663     ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481981745

  • Frekvenser

  • Hz

  • Bølgelængde

  • 750 billioner - 30 billiarder

  • 7,5*10¹⁴Hz - 3*10¹⁶Hz

  • 400 - 10nm


    • ]]>     2025-06-07 11:39:26 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481981745     4. Det elektromagnetiske spektrum 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481982013 2025-06-07 11:40:45 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3481982013 5. Hvordan påvirker UV-stråling naturen? 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3482314354 2025-06-08 09:48:01 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3482314354 ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3482321242

  • Skadeligt

  • UV-ABC

  • Ozonlaget - disinfektion

    • ]]>     2025-06-08 10:10:14 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3482321242     3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483552511

  • Planter & Økosystemerne

  • Gavne/Skade

  • Fotosyntesen afhængig af sollys

  • UVA og UVB

  • Skade klorofyl (pigment)

  • Vandplanter

  • Påvirke fotosyntesen


    • ]]>     2025-06-09 13:57:25 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483552511     Forsøg 2 - Sådan kan vi beskytte os mod UV-stråling 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483558095 2025-06-09 14:03:35 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483558095 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483564611

  • Perler = UV indikator

  • UV-filtration

  • Solcreme

    • ]]>     2025-06-09 14:10:47 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483564611     ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483566365

  • Energi

  • Biologiske molekyler

  • Proteiner og DNA

  • Ukontrollerede celler-Kræft

    • ]]>     2025-06-09 14:12:39 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483566365     Hvorfor er stråling skadeligt for mennesket? ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483567614 2025-06-09 14:14:07 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483567614 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483579840

  • UV-Stråling påvirker fotosyntesen

  • Solstråler er essentiale for fotosyntesen


    • ]]>     2025-06-09 14:26:48 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483579840     Forsøg 3 - UV-strålings effekt på fotosyntese 3_0S https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483580248 2025-06-09 14:27:15 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483580248 ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483585699

  • D-vitamin

  • Disinfektion

  • Humør

  • Fototerapi

  • Fotosyntese

    • ]]>     2025-06-09 14:33:09 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483585699     Hvad gør UV stråling godt? ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483586650 2025-06-09 14:34:03 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483586650 ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483590324

  • UV-A

  • UV-B

  • UV-C

    • ]]>     2025-06-09 14:36:58 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483590324     UV-ABC ugb3hhuph6 https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483590733 2025-06-09 14:37:30 UTC https://padlet.com/3_0S/dd5sudkeia2s3cbe/wish/3483590733