CAREFUL! Make sure you do the homework for the correct week - if it is not what you think was mentioned in class, check the previous week.
Grade 9 (Short) - no homework
Grade 8 - Watch this video as preparation for next lesson. There is no written task with this homework.
Grade 9 (Long) - Watch this video as preparation for next lesson. There is no written task with this homework.
Grade 7 - In your notebook, write you have learned about the water temperatures, and suggest an improvement to make the experiment more accurate (=exact, better numbers)