問題一覧
1
Define Matter
Matter is anything that has Mass and occupies Space
2
List the 5 Major Areas of Study and give an example of what is studied. H,M,D,CS, I
Organic- Humans Inorganic- Metals Biochem- Digestion Analytical-Checking Soil for Nutrients and Minerals Physical- Ice Melting
3
Define PURe Chemistry
The pursuit of chemical knowledge for its own sake.
4
Define APPlied Chemistry
Research for a Application or Goal
5
Who discovered Nylon?
Wallace Corothers
6
List 2 Benefits and Harms of Scientific Knowledge
Benefits- Solve Practical Problems, Increase work opportunities Harms- Relying on Tech, More Crimes
7
Define Technology
Technology allows us to do things more quickly and effecient.
8
List 2 Benefits of Aspirin
Reduces Blood Clots and Relieves Pain
9
4 Benefits of Studying Chem
1. Improve College Application 2. More Work Opportunities 3. Get better grades in Chemistry Class 4. Can provide deeper understanding of world
10
Difference between Micro-Macro?
Micro- Cant be seen by naked eye Macro- Can be seen and touched by naked eye.
11
How was Penicilin Discovered?
Alexander Femming noticed a bacteria not growing in the presence of mold, it was then studied and isolated.
12
Who discovered Penicillin?
Alexander Flemming
13
What is one of the easiest ways to conserve energy?
Turn the lights off after you leave a room
14
2 Ways to meet the demand for Energy
Find ways to Conserve, Produce, and Store energy.
15
What form of energy is stored and released in a battery?
Chemical to Electrical
16
How is a drug affective in the human body?
They interact with Receptors on cells or enzymes
17
Define Biotech
Biotech applies science to biological processes
18
2 examples of how Biotech has benefitted society.
Improves nutrition and reduces insectidies
19
3 examples of how chem has benefitted agriculuture.
Developed Genetic Sterilization, Crops and Pesticides
20
Define a Pollutant
Materisls that harm our air, water and soil
21
How is a Pollutant identified?
Finding damage to living things
22
How did the ban of Lead Paint effect blood lead levels ?
Levels dropped jurassicly
23
List two processes that Alchemists developed that are still used today.
Separating mixtures and Purifying Chemicals
24
List equipment from Alchemists bfft
Beakers, Flasks, Funnels, Tongs
25
2 Things Lavoiser credited with
Making a balance that measures mass and ending the debate of how materials burn
26
Define the Scientific Method
A systematic approach to solving a problem
27
How is a hypothesis different from an experiment?
Experiment- Plan to find out solution Hypothesis- A explanation for the problem
28
Difference between a Scientific Law and a Theory
Scientific Law- Describes and Summarizes Theory- Tries to explain
29
If an experiment produces the results hoped for is the Hypothesis correct?
Not necessarily, a hypothesis is the best guess
30
Define a theory
A theory is an explanation from observations
31
Why would a scientist state a theory that can never be proved?
Leaves a possibility that the theory may need to be changed in time
32
How does a hypothesis become a theory?
Once it is well-tested and confirmed.
33
3 Steps?
Hypothesis- Predicts Theory- Explains Law- Summarizes