As well as your notes from class (in your books) remember to also use your REVISION GUIDE.
You might also find the following websites useful for revision: (click the logos)
Cells resources
https://wordwall.net/resource/189148/science/labelling-cells-quiz
https://wordwall.net/resource/116273/science/year-7-specialised-cells
https://wordwall.net/resource/342823/science/specialised-cells
Knowledge organisers
Mindmaps with answers
Worksheets with answers
Reproduction resources
Knowledge organisers
Mindmaps and answers
Worksheets with answers
Digestion and nutrition resources
https://wordwall.net/resource/43542/science/digestion-match-up
https://wordwall.net/resource/10027287/science/food-digestion-quiz
https://wordwall.net/resource/9125281/science/enzymes-digestion
Variation and extinction
https://wordwall.net/resource/24610/extinction-key-word-match-up
https://wordwall.net/resource/9283812/science/causes-extinction
https://wordwall.net/resource/3523795/some-animals-danger-extinction
https://wordwall.net/resource/812069/science/continuous-discontinuous-variation
https://wordwall.net/resource/9175777/science/causes-variation