2. SCIENCE GRADUATION REQUIREMENTS CHS 4 Level one classes Physical Science - Matter Physical Science - Force Life Science - Molecular Life Science - Natural World

3. Advanced classes Chemistry II A and B Chemistry III A and B Physics II motion and energy AP Physics Biology II genetics, ecology, AP Biology Zoology Astronomy & geology

4. Why chemistry?? Reach out and touch something “ chemical ”

5. Everything is chemical Everything we touch, smell and eat The clothes we wear, our shoes Paper and pencils, books and ink Almost everything we encounter each second of our lives So why not understand more about the world we live in

6. Why Chemistry?? Reach out and touch something that isn ’ t “ chemical ”

7. Things that are not chemical Energy Light Heat Outer space Electromagnetic waves Microwaves, x-ray, TV, cell phones, radio

8. What is an Atom? What does an Atom look like? How small is small? How can we count what we can ’ t see?

9. How small is small? Metrics - International System of Units (SI) Distance measure Base unit is the meter Size of an atom?

10. The size of Atoms 0.001 milli 0.000 000 1 micro 0.000 000 000 1 nano 0.000 000 000 000 1 pico