7th Grade Topics8th Grade Topics Unit 1 - Properties of Mater Unit 1 - Motion Unit 2 - Chemical Reactions Unit 2 - Forces & Energy Unit 3 - Cells Unit 3 - Earth, Sun Moon System Unit 4 - Body Systems Unit 4 - Earth History Unit 5 - Food & Growth Unit 5 - Earth Changes Unit 6 - Reproduction & Genetics Unit 6 - Rocks Unit 7 - Natural Selection & Evolution Unit 8 - Waves