Chemical vs Physical Change by Emily Armgardt https://padlet.com/earmgardt/ld2labb1tlvrkbu7 en-us 2021-04-19 15:14:53 UTC 2021-04-20 19:00:24 UTC hello@padlet.com https://padlet.net/icons/png/1f370.png when the materials were burned zlivingstongray3588 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498718 2021-04-20 18:46:41 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498718 The Ammonium nitrate melted anelson9131 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498764 2021-04-20 18:46:42 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498764 ice melted https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498788 2021-04-20 18:46:42 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498788 amonium nitarte melting eurbaitel6347 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498835 2021-04-20 18:46:43 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439498835 the ammonium nitrate (which only melted and vaporized, the chemical didn't change) zlivingstongray3588 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499466 2021-04-20 18:46:50 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499466 When the first substance melted https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499493 2021-04-20 18:46:50 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499493 stuff being burned https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499567 2021-04-20 18:46:51 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499567 when the heat was applied pnolan4726 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499692 2021-04-20 18:46:53 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499692 when the mixture and the saw dust burned eurbaitel6347 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499770 2021-04-20 18:46:54 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499770 The ammonium nitrate melted. https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499819 2021-04-20 18:46:54 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439499819 the sawdust/sawdust mixture turned to charcoal as a side-effect of combustion anelson9131 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439500201 2021-04-20 18:46:58 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439500201 When the saw dust burned, because it can't be undone. https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439501287 2021-04-20 18:47:13 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439501287 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439501454 When the saw dust turned to ashes]]> 2021-04-20 18:47:15 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439501454 The sawdust burned https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439501497 2021-04-20 18:47:16 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439501497 when it melted lwilcox0546 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439502306 2021-04-20 18:47:27 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439502306 burned, and turned to ashes lwilcox0546 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439503055 2021-04-20 18:47:37 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439503055 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439503585 the AM melting and creating a new substance: melted AM]]> 2021-04-20 18:47:45 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439503585 when the sawdust was being burned https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439503888 2021-04-20 18:47:49 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439503888 when the materials were mixed together zlivingstongray3588 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439504565 2021-04-20 18:47:58 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439504565 whats one of the main ways that you can identify whether its physical or chemical change? lwilcox0546 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439505374 2021-04-20 18:48:09 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439505374 When the sawdust and the ammonium nitrate burned https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439506022 2021-04-20 18:48:17 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439506022 The Ammonium Nitrate melted jappleyard3371 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439506153 2021-04-20 18:48:19 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439506153 when the sawdust burned https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439507261 2021-04-20 18:48:34 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439507261 The Sawdust burned jappleyard3371 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439507758 2021-04-20 18:48:41 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439507758 Heat https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439513911 2021-04-20 18:50:06 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439513911 what if part of something melts and then starts burning? https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439525707 2021-04-20 18:52:44 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439525707 are some physical changes permanent? lwilcox0546 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439549020 no]]> 2021-04-20 18:57:41 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439549020 are some chemical changes reversable? lwilcox0546 https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439557825 cool]]> 2021-04-20 18:59:37 UTC https://padlet.com/earmgardt/ld2labb1tlvrkbu7/wish/1439557825