1. 7 th Grade Science

2. Think of a City How does it operate? Who protects the city? Who runs the city? How does the city manage its trash? How does the city get food? How does the city get its power? How do you know when you are in the city limits?

3. A cell can be compared to a city! Each part of the cell has its own function or purpose. The parts of the cell can be compared to the parts of a city based on their similar purpose.

4. Cell Parts A.Cell B.Cell Membrane C.Cytoplasm D.Nucleus E.Cell Wall F.Ribosomes G.Endoplasmic Reticulum H.Golgi Bodies I.Mitochondria J.Lysosomes K.Chloroplasts L.Vacuoles

5. City Parts A.City B.City Boundary C.Environment D.City Hall E.City Fence F.Factories & Workers G.Highway or Roads H.Post Office or UPS I.Power Plant J.Waste Management K.Solar Panels L.Storage Facility

6. City AnalogyFunction/Purpose A.CityA. Area with fixed boundary B. City LimitsB. Surrounds & borders but allows some in and out C. EnvironmentC. Inner space D. City HallD. Controls the activities E. City FenceE. Surrounds, protects and gives shape F. Factory & WorkersF. Makes products G. Roads or HighwaysG. Transportation system H. Post Office or UPSH. Packs, carries, delivers I. Power PlantI Provides power J. Waste ManagementJ. Recycle & waste disposal K. Solar PanelsK. Captures sunlight L. Storage FacilityL. Stores food, water and waste

7. City AnalogyFunction/Purpose A.CityA. Area with fixed boundary B. City LimitsB. Surrounds & borders but allows some in and out C. EnvironmentC. Inner space D. City HallD. Controls the activities E. City FenceE. Surrounds, protects and gives shape F. Factory & WorkersF. Makes products G. Roads or HighwaysG. Transportation system H. Post Office or UPSH. Packs, carries, delivers I. Power PlantI Provides power J. Waste ManagementJ. Recycle & waste disposal K. Solar PanelsK. Captures sunlight L. Storage FacilityL. Stores food, water and waste Cell Part A. Cell B. Cell Membrane C. Cytoplasm D. Nucleus E. Cell Wall F. Ribosomes G. Endoplasmic Reticulum H. Golgi Bodies I. Mitochondria J. Lysosomes K. Chloroplast L. Vacuole