View
218
Download
0
Category
Tags:
Preview:
Citation preview
CHEM 1010.001
Chemistry:
The study of matter and it’s
properties.
Matter:• Everything that has mass and occupies
space.
Science:
• Study to organize and explain knowledge about us and our surroundings.
Scientific Discipline:
• A branch of science limited in size
• Example: Chemistry
Technology:
• Application of science to new products.
• This is where science touches your life.
Chemical Technology
• Synthetic fibers
• Plastics
• Transportation– Fuels
• Paper
• Ink
• Film
• Skis
Chemical Technology
• Boats
• Basketballs
• Bowling balls
• Musical instruments
• TV’s
• Toothbrush and toothpaste
• Detergents and shampoos
• Modern electronics
Medicine
• How did George Washington die?
• He bled to death from a common cold!
Scientific Method
1. PLAN(experimental
Design)
5. THEORY(validated
Hypothesis)
2. FACT(observation)
3. LAW(generalization)
4. HYPOTHESIS(tentative
Explanation)
EXPERIMENTATION
Risk
• Chemo phobia – irrational fear of chemicals• Why?
– Irresponsible companies– Media
• Love Canal, NY and Times Beach, Missouri
• Fear of some chemicals is good, but not all– Dihydrogen monoxide (DHMO)
Acceptable Risk?
• Smoking vs. living by a nuclear power plant
• Living by a nuclear power plant vs. high in the mountains
• Fear of flying
• Can control vs. can’t control
• Can’t avoid all risk
Legislating Risk
• Risk based laws – FDA
• Balancing laws– Clean Air Act– Safe Drinking Water Act
• Technology based laws– Proposition 65 in California
Controversy
• Animal experiments– Ethical?– Depend on how done?
• Cold fusion
• Greenhouse effect
• Cholesterol
Recommended