Õhurõhk
youtube.com/watch?v=8-KqSY5EEtA
·http://video.delfi.ee/video/
·http://www.youtube.com/watch?v=ctJyu5ete6Y
·http://www.youtube.com/watch?v=jmQ8FWnM0fA&feature=related
·http://www.youtube.com/watch?v=WkGoG9g1QX4
·http://www.youtube.com/watch?v=oHIVqAlV3ck
Kasutatud kirjandus :
·http://et.wikipedia.org/wiki/%C3%95hur%C3%B5hk
·http://meteo.physic.ut.ee/et/showdoc.php?did=10
·http://miksike.ee/documents/main/elehed/3klass/2ilm/elutuba/3-2-10paev.htm
·http://www.slideshare.net/vilve/hurhk-8173144
·http://mehaanika8kl.wordpress.com/rohumisjoud-2/ohurohk/
·http://www.vkg.werro.ee/materjalid/EGCD/Opik/juhan/kliima/ohurohk.html
·http://web.zone.ee/funnelcloud/ohurohk.htm