2. SCIENCE LATIN = “SCIENTIA” KNOWLEDGE
Quest for Knowledge
Many Seekers of Knowledge
Not Limited to Scientists
Very Broad Definition

3. SCIENCE
Difficult to Define
Like Love, Beauty, Art

4. SCIENCE Use of observation, measurement, logic and a sense of beauty to devise general principle about the Natural World
May include:
Math
Logic
Physics
Chemistry
Biology
Etc.

5. PHYSICS GREEK = “PHYSICS” NATURE
Pure Science
Summarizes and Explains General Facts and Principles about Natural World
Applied Science
Technology
Engineers

6. SCIENTIFIC METHODS SEQUENCE OF ACTIVITIES
Qualitative
Quantitative
Idea
Non-numerical Description
Details
Mathematical
Numerical
Observation ) Testing ) Prediction
Hypothesis ) Theory ) Empirical Experimental Check

7. SOME MEASURED LENGTHS Distance to a Quasar 6 X 1025 Meters
Distance to Nearest Star
(Alpha Centauri)
4.3 X Meters
Radius of the Earth
6.4 X 106 Meters
Thickness of Textbook Page
1 X Meters
Size of Poliomyelitis Virus
1.2 X Meters
Radius of Hydrogen Atom
5.3 X Meters
Effective Radius of a Proton
1.2 X Meters