1. Chapters 1
Introduction
To Chemistry

2. CHAPTER OUTLINE
What is Chemistry
Changes in Matter
Scientific Method

3. WHAT IS CHEMISTRY? Gas: air, oxygen Liquid:
Materials of the universe can be of several forms:
Chemistry is the science that deals with the materials of the universe, and the changes they undergo.
Gas:
air, oxygen
Liquid:
water, gasoline, vinegar, orange juice
Solid:
rock, charcoal, table salt, sugar, wood

4. CHANGES IN MATTER Burning of charcoal
charcoal + oxygen  carbon dioxide
Burning of gasoline
Gasoline + oxygen  carbon dioxide + water +  +

5. CHANGES IN MATTER Fermentation of grape juice
glucose  ethyl alcohol +carbon dioxide
Souring of wine
Ethyl alcohol + oxygen  acetic acid + 
isopropyl alcohol

6. SCIENTIFIC METHOD
The scientific method is a process of creative thinking and testing aimed at objective and verifiable discoveries.
It is generally composed of the following steps:

7. SCIENTIFIC METHOD NATURAL LAW OBSERVATION HYPOTHESIS EXPERIMENT MODEL
Observations concurred by many.
OBSERVATION
HYPOTHESIS
Facts that our ideas must explain
Scientific guess or proposal that explains observations
Conceptual assumptions that explain data from experiments.
EXPERIMENT
Procedure to test hypothesis. Measures one variable at a time
Predicts related phenomena
MODEL
(THEORY)

8. SCIENTIFIC METHOD OBSERVATION HYPOTHESIS EXPERIMENT MODEL (THEORY)
Theory modified if additional experiments do not support it
HYPOTHESIS
Hypothesis is changed if experiments do not support it.
EXPERIMENT
MODEL
(THEORY)

9. Success as a Beginning Chemist
You must be curious and imaginative.
Be willing to do calculations.
Be committed to learning the material.
Do your homework.

10. THE END