https://padlet.com/sally_kirk5/mskirk_class2019 What do we know already about energy? en-us 2019-12-27 09:47:37 UTC 2019-12-27 10:12:14 UTC hello@padlet.com sally_kirk5 https://padlet.com/sally_kirk5/mskirk_class2019/wish/426870305 2019-12-27 09:49:33 UTC https://padlet.com/sally_kirk5/mskirk_class2019/wish/426870305