180 days= 22.5 days or 4.5 weeks per chapter

1. Nature of Science- 4 wks
1.1. Nature of Science
1.2. Basic and Applied Science
1.3. Scientific Ways of Thinking
1.4. Scientific Explanations and Interpretations
1.5. Science and Engineering Practices
1.6. Development of Hypotheses
1.7. Testing Hypotheses
1.8. Scientific Induction
1.9. Correlation and Causation
1.10. Observations and Experiments
1.11. Scientific Measuring Devices
1.12. Accuracy and Precision
1.13. Scientific Graphing
1.14. Scientific Theory
1.15. Development of Theories
1.16. Scientific Law
1.17. Scientific Modeling
1.18. Scientific Models
1.19. Scientific Community
1.20. Safety in the Life Sciences
1.21. Safety in Science
1.22. Ethics in Science

2. Heat and Energy- 5 wks
2.1. Energy

2.2. Forms of Energy
2.3. Average Kinetic Energy
2.4. Kinetic Theory of Matter
2.5. Changes of State
2.6. Heat
2.7. Temperature
2.8. Heat Conduction
2.9. Thermal Conductors and Insulators
2.10. Specific Heat
2.11. Convection
2.12. Density
2.13. Thermal Radiation
2.14. Light

3. Weather- 5 wks
3.1. Solar Energy on Earth
3.2. Distribution of Water on Earth
3.3. Water Distribution

3.4. Processes of the Water Cycle
3.5. Clouds
3.6. Precipitation
3.7. Importance of the Atmosphere
3.8. Composition of the Atmosphere
3.9. Pressure and Density of the Atmosphere
3.10. Air Pressure and Altitude
3.11. Electromagnetic Energy in the Atmosphere
3.12. Temperature and Heat in the Atmosphere
3.13. Collecting Weather Data
3.14. Air Masses
3.15. Weather Fronts
3.16. Weather Maps
3.17. Predicting Weather
3.18. Seasons

4. Climate- 5 wks
4.1. Weather versus Climate
4.2. Climate Change in Earth History
4.3. Short-Term Climate Change
4.4. Long-Term Climate Change
4.5. Effect of Latitude on Climate
4.6. Coriolis Effect
4.7. How Ocean Currents Moderate Climate
4.8. Deep Ocean Currents
4.9. Effect of Continental Position on Climate
4.10. Global Warming
4.11. Causes and Effects of Global Warming
4.12. Air Quality
4.13. Types of Air Pollution
4.14. Carbon Cycle and Climate
4.15. Effects of Air Pollution on Human Health
4.16. Effects of Air Pollution on the Environment
4.17. Reducing Greenhouse Gas Pollution
4.18. Reducing Ozone Destruction

5. Cells- 4 wks
5.1. Characteristics of Life
5.2. Viruses
5.3. Cell Biology
5.4. Microscopes
5.5. Prokaryotic and Eukaryotic Cells
5.6. Plant Cell Structures
5.7. Cell Membrane
5.8. Cell Transport
5.9. Passive Transport
5.10. Diffusion
5.11. Active Transport
5.12. Cell Nucleus
5.13. Organelles
5.14. Cell Cycle
5.15. Cell Division

6.4. Muscles and Exercise
6.5. Cardiovascular System
6.6. Heart
6.7. Blood Vessels
6.8. Components of Blood
6.9. Respiration
6.10. Respiratory System Organs
6.11. Processes of Breathing
6.12. Human Digestive System
6.13. Digestive System Organs
6.14. Food and Nutrients
6.15. Excretion
6.16. Urinary System
6.17. Kidneys
6.18. Diabetes

7. Reproduction & Genetics- 4 wks
7.1.Mitosis and Cytokinesis
7.2. Meiosis
7.3. Mitosis vs. Meiosis
7.4. Asexual vs. Sexual Reproduction
7.5. Mendel's Pea Plants
7.6. Mendel's Laws and Genetics
7.7. Non-Mendelian Inheritance
7.8. Sex-linked Inheritance
7.9. Plant Reproduction and Life Cycle
7.10. Vascular Seedless Plants
7.11. Nonvascular Plants
7.12. Reproduction in Seedless Plants
7.13. Gymnosperms
7.14. Seeds and Seed Dispersal
7.15. Angiosperms
7.16. Tropisms
7.17. Reproductive Behavior of Animals
7.18. Bird Reproduction
7.19. Mammal Reproduction

8. Sensory Responses- 4 wks
8.1. Nervous System
8.2. Nerve Cells and Nerve Impulses
8.3. Central Nervous System
8.4. Peripheral Nervous System
8.5. Touch
8.6. Taste and Smell
8.7. Hearing and Balance
8.8. Human Vision
8.9. How the Eye Works