Unit 1: Atoms & Matter

Measurement

1. Scientific Notation
   •powers of 10, positive or negative
2. The SI (Metric) System
   •fundamental and derived units
   •prefixes
3. Accuracy, Precision, Significant Figures
   •uncertainty in measurement
   •accuracy
   •precision
   •sig dig's
   •rounding
4. Dimensional Analysis
   •conversion factors
   •problem set-up and conversions
5. Dimensional Analysis
   •practice
   •activity: Walking to the Moon
6. Nature of Science
   •method
   •facts, theories
   •hypotheses
7. Lab Report and Penny Lab
   •report format
   •backgrounds
   •annotations
   •lab safety
   •introduce penny lab
8. Lab: Density of Pennies
9. Review Lab
   •groups-begin write-up

   Classification of Matter

10. Classification of Matter
    •elements
    •compounds
    •mixtures
11. Physical/Chemical Properties
    •physical & chemical properties
    •physical & chemical changes
12. Lab: Physical & Chemical Changes, day 1
13. Lab: Physical & Chemical Changes, day 2

    The Early Atom

14. Dalton's Atomic Theory
    •Democritus v. Aristotle
    •conservation of mass
    •law of definite proportions
    •law of multiple proportions
    •Dalton's 5 point theory
15. Thomson, Kelvin & Rutherford
    •Thomson's cathode ray
    •Kelvin's plum pudding
    •Rutherford's gold foil
    •
16. Properties of atoms
    •atomic particles
    •nuclear forces
    •atomic number
    •isotopes
    •ions
17. Review of atoms & matter

    The Mole Concept

18. The mole
    •Quiz: Atoms & Matter
    •the mole & carbon-12
19. Mole Practice
    •molar mass calculations
20. Unit Review
21. Exam: Atoms & Matter