Mr Henley's Last Minute Stuff

The halogens The noble gases song Colours of the noble gases in gas discharge tubes  

Universal solvent What would happen if you didn't drink?

  Coloured cotton plants:

Water treatment  https://www.youtube.com/watch?v=0_ZcCqqpS2o Puzzles and quizes https://wordwall.net/en-gb/community/mixtures

 Arduino sketch to use:  https://drive.google.com/drive/folders/1LnM4rz5_5DzKBTQuxF6IOk-f7fFpkJbQ?usp=drive_link

 Do fish have eyelids? https://www.cousteau.org/news/why-dont-fish-have-eyelids/ How do fish sleep? https://theconversation.com/curious-kids-how-do-fish-sleep-126018

Fish traps Photo: https://purl.slwa.wa.gov.au/slwa_b1923216_1 Traditional winnowing video 1800s harvesting Modern harvester