JSS2 Basic science Lesson NotesFIRST TERM1. Meaning of Habitat2. Types of Habitat3. Organisms in various habitats4. Adaptation of living things to their environment5. Organisms in the same habitat 6. The uniqueness of human beings 7. Measuring growth and developmental changes 8. Developmental changes across different stages9. Types of Developmental Changes10. Factors Affecting Growth and Development in Living Organisms11. Factors Promoting Growth and Development in Living Organisms12. Meaning of Physical and Chemical Changes13. Characteristics of Physical and Chemical Changes14. Differences between Physical and Chemical Changes15. Classes of chemicals16. Based on usage17. Classification of chemicals based on their hazardous nature 18. Safety measuresSECOND TERM1. Work2. Energy3. Power4. Types of Energy5. Calculation Involving Work Done6. Energy Transfer7. Meaning of a Simple Machine 8. Lever 9. Example of Simple Machines10. Uses of some Simple Machines11. Simple machine (gear)12. Application of gears:13. Efficiency of simple machines14. Care of machines15. Meaning of kinetic energy16. Kinetic energy assumption17. Explanation of Phenomena using Kinetic Theory18. Explanation of Boiling and Evaporation using Kinetic Theory19. Boiling and evaporation 20. Several factors affect the rate of evaporationTHIRD TERM1. Meaning of Thermal Energy2. Heat Flow3. Heat transfer through conduction 4. Good conductors and insulators5. Convection 6. Radiation 7. Reflection 8. Refraction 9. Vision10. Dispersion and rainbow11. Crude oil12. Refining of crude oil 13. Crude oil petrochemicals14. Crude oil and petrochemicals