https://padlet.com/naseera_m/4confidence 4 Confidence en-us 2019-11-25 02:34:06 UTC 2025-11-12 06:32:25 UTC hello@padlet.com naseera_m https://padlet.com/naseera_m/4confidence/wish/415966416 2019-11-25 02:34:06 UTC https://padlet.com/naseera_m/4confidence/wish/415966416 naseera_m https://padlet.com/naseera_m/4confidence/wish/415966428 2019-11-25 02:34:06 UTC https://padlet.com/naseera_m/4confidence/wish/415966428 naseera_m https://padlet.com/naseera_m/4confidence/wish/415966904 2019-11-25 02:36:12 UTC https://padlet.com/naseera_m/4confidence/wish/415966904 naseera_m https://padlet.com/naseera_m/4confidence/wish/415967057 2019-11-25 02:37:03 UTC https://padlet.com/naseera_m/4confidence/wish/415967057 https://padlet.com/naseera_m/4confidence/wish/416011005 Group 3 : the air in the ballon expands because of the heat from the fire]]> 2019-11-25 06:58:49 UTC https://padlet.com/naseera_m/4confidence/wish/416011005 https://padlet.com/naseera_m/4confidence/wish/416011034 Ans:when you heat the popcorn the inside expand put presure on the skin which eventully pop]]> 2019-11-25 06:59:03 UTC https://padlet.com/naseera_m/4confidence/wish/416011034 https://padlet.com/naseera_m/4confidence/wish/416011179 Inside the popcorn kernel gains heat, causes the inside to expand, so it pops.]]> 2019-11-25 06:59:51 UTC https://padlet.com/naseera_m/4confidence/wish/416011179 https://padlet.com/naseera_m/4confidence/wish/416011633 Group3 : in the old times, it is wood but now it is metal and wood is a poor conduters of heat and the metal is a good conduters of heat]]> 2019-11-25 07:02:18 UTC https://padlet.com/naseera_m/4confidence/wish/416011633 https://padlet.com/naseera_m/4confidence/wish/416011657 The air in the hot air balloon  expands when the burner is on.]]> 2019-11-25 07:02:22 UTC https://padlet.com/naseera_m/4confidence/wish/416011657 https://padlet.com/naseera_m/4confidence/wish/416012196 Group 5 :The corn gains heat causing it to expand. Then it pops!]]> 2019-11-25 07:04:50 UTC https://padlet.com/naseera_m/4confidence/wish/416012196 https://padlet.com/naseera_m/4confidence/wish/416012742 Group 5 :The envelope (balloon) gains heat from the burners under it causing it to expand.]]> 2019-11-25 07:07:19 UTC https://padlet.com/naseera_m/4confidence/wish/416012742 https://padlet.com/naseera_m/4confidence/wish/416012795 O]]> 2019-11-25 07:07:33 UTC https://padlet.com/naseera_m/4confidence/wish/416012795 https://padlet.com/naseera_m/4confidence/wish/416012979 Because if the power line is already straight then in winter it will contract then the power line will be broken ]]> 2019-11-25 07:08:35 UTC https://padlet.com/naseera_m/4confidence/wish/416012979 https://padlet.com/naseera_m/4confidence/wish/416013377 Hot air balloon work because hot air rise.By heating the air inside the balloon with the burner, it become lighter than the cooler air on the outside]]> 2019-11-25 07:10:58 UTC https://padlet.com/naseera_m/4confidence/wish/416013377 https://padlet.com/naseera_m/4confidence/wish/416013543 Air in the balloon expands because of the heat from the burner



]]> 2019-11-25 07:11:52 UTC https://padlet.com/naseera_m/4confidence/wish/416013543 https://padlet.com/naseera_m/4confidence/wish/416013644 Once the corn seed gained heat so it expand ]]> 2019-11-25 07:12:21 UTC https://padlet.com/naseera_m/4confidence/wish/416013644 https://padlet.com/naseera_m/4confidence/wish/416014237 There are gaps, because when  it gains heat it might expand, so when there is no gaps it might get out of shape.]]> 2019-11-25 07:15:14 UTC https://padlet.com/naseera_m/4confidence/wish/416014237 https://padlet.com/naseera_m/4confidence/wish/416014284 To let the metal cool from the heat from the train's wheels ]]> 2019-11-25 07:15:24 UTC https://padlet.com/naseera_m/4confidence/wish/416014284 https://padlet.com/naseera_m/4confidence/wish/416014838 If they is no gaps between the rails on a sunny day the rail will expand and crush each other]]> 2019-11-25 07:17:50 UTC https://padlet.com/naseera_m/4confidence/wish/416014838 https://padlet.com/naseera_m/4confidence/wish/416014867 When it is winter the surrounding is cold, so if it contracts it will not pull each other.]]> 2019-11-25 07:18:00 UTC https://padlet.com/naseera_m/4confidence/wish/416014867 https://padlet.com/naseera_m/4confidence/wish/416014868 The heat from the microwave ]]> 2019-11-25 07:18:01 UTC https://padlet.com/naseera_m/4confidence/wish/416014868 Amy_Hi https://padlet.com/naseera_m/4confidence/wish/1857865474 Because when the train runs along the track the track gains heat and expands if there are no gaps the track will push each other and the train cannot run.]]> 2021-11-01 04:40:18 UTC https://padlet.com/naseera_m/4confidence/wish/1857865474 Amy_Hi https://padlet.com/naseera_m/4confidence/wish/1857866122 Because when the train runs along the track the track gains heat and expands if there are no gaps the track will push each other and the train cannot run.]]> 2021-11-01 04:40:41 UTC https://padlet.com/naseera_m/4confidence/wish/1857866122