Grade 7: use this link - there are questions for you to do and you will need your Ilmiö book
Grade 8 : Kahoot to complete Use a sensible name, so I will know who did it.
PIN code for 8A (Tuesday group) 0803392 (updated so it does not expire yet)
PIN code for 8C (Friday group) 08909014
Grade 9 : complete the purpose, apparatus and plan sections of the report before the next lesson
