https://padlet.com/eyrun78/vatn Þemadagar í Borgarhólsskóla haustið 2017 - UMHVERFI en-us 2017-09-27 15:40:10 UTC 2025-04-24 11:30:51 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Clouds.png eyrun78 https://padlet.com/eyrun78/vatn/wish/191732788 Vatn er lyktar-, bragð- og nær litlaus vökvi sem er lífsnauðsynlegur öllum þekktum lífverum. Vatnssameindin er samansett úr tveimur vetnisfrumeindum og einni súrefnisfrumeind og hefur því efnaformúluna H2O. Það eru 1,4 milljarðar km³ vatns á Jörðinni sem þekja 71% af yfirborði hennar.]]> 2017-09-27 15:45:53 UTC https://padlet.com/eyrun78/vatn/wish/191732788 eyrun78 https://padlet.com/eyrun78/vatn/wish/193424163 Nemendur í 6. - 10. bekk unnu saman í hópum og ræddu um vatn frá ýmsum sjónarhornum, gerðu tilraunir með vatn og söfnuðu vatni í skólanum og nágrenni hans og notuðu vatnsgæðamæli til að kanna innihaldið. ]]> 2017-10-03 13:50:13 UTC https://padlet.com/eyrun78/vatn/wish/193424163 eyrun78 https://padlet.com/eyrun78/vatn/wish/193425258 2017-10-03 13:51:53 UTC https://padlet.com/eyrun78/vatn/wish/193425258 eyrun78 https://padlet.com/eyrun78/vatn/wish/194664354 2017-10-06 13:10:59 UTC https://padlet.com/eyrun78/vatn/wish/194664354 eyrun78 https://padlet.com/eyrun78/vatn/wish/194664612 2017-10-06 13:11:32 UTC https://padlet.com/eyrun78/vatn/wish/194664612 eyrun78 https://padlet.com/eyrun78/vatn/wish/194666285 2017-10-06 13:15:02 UTC https://padlet.com/eyrun78/vatn/wish/194666285 eyrun78 https://padlet.com/eyrun78/vatn/wish/194667066 2017-10-06 13:16:28 UTC https://padlet.com/eyrun78/vatn/wish/194667066 eyrun78 https://padlet.com/eyrun78/vatn/wish/194667354 2017-10-06 13:17:01 UTC https://padlet.com/eyrun78/vatn/wish/194667354 eyrun78 https://padlet.com/eyrun78/vatn/wish/194667714 2017-10-06 13:17:39 UTC https://padlet.com/eyrun78/vatn/wish/194667714 eyrun78 https://padlet.com/eyrun78/vatn/wish/194668093 2017-10-06 13:18:18 UTC https://padlet.com/eyrun78/vatn/wish/194668093 eyrun78 https://padlet.com/eyrun78/vatn/wish/195213171 2017-10-09 13:23:03 UTC https://padlet.com/eyrun78/vatn/wish/195213171