Grade 9 - preparation for the test.
What the test will cover: everything from the lessons (including Tuesdays) up to and including fats.
Not in the test: saccharides, proteins, plastics
Grade 8 - read your notes through, check nothing is missing, and check you understand the work.
If you are confused about something, email me with what the problem is, and I can go through this in the lesson or arrange a tutorial.