What is energy? by Manel Porta https://padlet.com/manel_porta/ofcmxfh51g7i Manel i Moises en-us 2019-01-10 10:55:30 UTC 2023-11-13 07:35:16 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Ornamenttree.png we have positive and negative + - manel_porta https://padlet.com/manel_porta/ofcmxfh51g7i/wish/319165540 2019-01-10 10:58:44 UTC https://padlet.com/manel_porta/ofcmxfh51g7i/wish/319165540 Has electricity manel_porta https://padlet.com/manel_porta/ofcmxfh51g7i/wish/319170848 2019-01-10 11:19:26 UTC https://padlet.com/manel_porta/ofcmxfh51g7i/wish/319170848