Comprehensive Scientific Study Guide: Inquiry, Earth, Physical, and Life Sciences

  • Scientific Inquiry   - Science utilizes systematic observations to solve problems. Hypotheses are testable predictions.   - Experimental results should be repeatable for validation.   

  • Experimental Design Fundamentals   - Independent Variable: Factor manipulated by the researcher.   - Dependent Variable: Measured factor that responds to the independent variable.   - Control Group: Used for comparison; does not receive the treatment.   - Constants: Factors kept the same throughout the experiment.   - Variables should be isolated to ensure clarity of results.   

  • Data Management   - Data should be organized with tables, graphs, and charts; conclusions drawn from evidence.

  • The Nature of Science   - Science is based on evidence. Theories explain phenomena; laws describe consistent patterns.   

  • Earth and Space Science   - Universe Structure: Composed of galaxies, stars, and planets; the Milky Way holds Earth.   - Solar System: Sun at the center; gravity keeps planets in orbit. Inner planets are rocky; outer planets are gas giants.   - Seasons, Day/Night, Moon Phases, Eclipses are caused by Earth's movements.   

  • Earth's Layers and the Rock Cycle   - Earth has four layers: crust, mantle, outer core, inner core.   - Rock types: Igneous, sedimentary, metamorphic. The rock cycle illustrates changes over time.   

  • Dynamic Earth and Plate Tectonics   - Earth’s crust consists of tectonic plates causing earthquakes and volcanoes.   

  • Physical Science   - Matter: Defined by physical properties (mass, volume, density).   - Atoms: Basic units of matter with protons, neutrons, and electrons.   - Energy Transformations: Energy changes form but is never created or destroyed.   

  • Life Science   - Living systems organized hierarchically: Cells → Tissues → Organs → Organ Systems.   - Natural Selection drives evolution; species adapt over time.   - Ecosystems: Energy flows via food chains; carbon cycles through photosynthesis and respiration.   

  • Quick Review Tips   - Master key vocabulary and understand concepts of matter, energy, and ecology.