Unit 1: Scientific Investigation
1. Thinking Like a Scientist
2. Scientific Experiments
3. Lab Reports and Evaluating Results
4. SI Units and Measurements
5. Lab Safety and Scientific Tools
Unit 2: Matter, Chemical Reactions, and Solutions
6. Matter, Properties, and Phases
7. Periodic Table, Atomic Structure, and Compounds
8. Solutions and Fluids
Unit 3: Motion, Forces, and Work
9. Motion
10. Force and Newton's Laws of Motion
11. Gravity, Friction, and More Forces in Everyday Life
12. Work and Machines
Unit 4: Energy
13. Forms of Energy
14. Thermal Energy
15. Light and Sound Waves
16. Electricity and Magnetism
17. Electrical Energy Sources
Unit 5: Outer Space: The Universe and the Solar System
18. The Solar System and Space Exploration
19. The Sun-Earth-Moon System
20. Stars and Galaxies
21. The Origin of the Universe and Our Solar System
Unit 6: The Earth, Weather, Atmosphere, and Climate
22. Minerals, Rocks, and the Earth's Structure
23. Earth's Crust in Motion
24. Weathering and Erosion
25. The Earth's Atmosphere and Water Cycle
26. Weather
27. Climate
Unit 7: Life: Classification and Cells
28. Organisms and Biological Classification
29. Cell Theory and Cell Structure
30. Cellular Transport and Metabolism
31. Cell Reproduction and Protein Synthesis
Unit 8: Plants and Animals
32. Plant Structure and Reproduction
33. Animals: Invertebrates
34. Animals: Vertebrates
35. Animals and Plant Homeostasis and Behavior
Unit 9: The Human Body and Body Systems
36. Skeletal and Muscular Systems
37. Nervous and Endocrine Systems
38. Digestive and Excretory Systems
39. Respiratory and Circulatory Systems
40. Immune and Lymphatic Systems
41. Human Reproduction and Development
Unit 10: History of Life: Heredity, Evolution, and Fossils
42. Heredity and Genetics
43. Evolution
44. Fossils and Rock Ages
45. History of Life on Earth
Unit 11: Ecology: Habitats, Interdependence, and Resources
46. Ecology and Ecosystems
47. Interdependence and the Cycling of Energy and Matter
48. Ecological Succession and Biomes
49. Natural Resources and Conservation
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