Scientific Method Flashcards
(11 cards)
1
Q
Biology
A
The study of living things
2
Q
Scientific method
A
A process of investigation in which problems are identified and their suggested explanations are tested by carrying out experiments
3
Q
The seven steps 1-4
A
- Making observations
- Forming a hypothesis
- Carrying out experiments
- Collection and interpretation of data
4
Q
The seven steps 5-7
A
- Conclusion
- Relating the conclusion to existing knowledge
- Publishing the results (online scientific journal)
5
Q
Hypothesis
A
An educated guess based on observations
6
Q
Theory
A
An explanation based on repeated hypothesis and experimentation
7
Q
Principle/law
A
Arises from a theory when it’s seen always to be true under all conditions over a long period of time
8
Q
Experiments
A
- safe
- have a control (comparison)
- fair:
- large sample size
- random selection
- double blind testing (placebo)
9
Q
Double blind
A
Both the investigator and the participant are unaware of the nature of the treatment the participant is receiving
10
Q
Limitations
A
- Difficulty in interpreting results (thalidomide)
- Changes in nature (superbugs)
- Accidental discoveries (penicillin)
11
Q
Ethics
A
Whether issues are right or wrong
