font-family:" calibri",sans-serif;mso-fareast-font-family:calibri;mso-bidi-font-family:="" "times="" new="" roman";mso-ansi-language:en-us;mso-fareast-language:en-us;="" mso-bidi-language:ar-sa"="">:
https://www.youtube.com/watch?v=-DSzlxeNCBk
https://app.discoveryeducation.com/learn/videos/16E4E476-13D6-4792-B0F4-D25A760E781C?hasLocalHost=false
https://app.discoveryeducation.com/learn/videos/1231FBC5-53E8-46AF-B811-0C966B9DB190?hasLocalHost=false
http://channel.nationalgeographic.com/videos/carving-great-lakes/
http://www.neok12.com/video/Glaciers/zX755a5040051f62695c737b.htm
http://wkar.pbslearningmedia.org/resource/etv08.sci.ess.earthsys.glacier/nisqually-glacier-at-mount-rainier/