Missed lessons: it is your responsibility to catch up with the work before the next lesson. This is in the school rules. It is also really important if you want to have all the work for tests. You will not get any sympathy or test concessions if you do not catch up as the resources are here !
Grade 8 -continue with work on your investigation
The plan should be completed, and you need to think about how to provess your results. Read through the instructions- have you covered everything ?