Science (Ch 1) Flashcards
Describe the scientific methods (7 steps)
1) Identify a problem or question
2) gathering information
3) developing hypotheses
4) design experiment to test hypotheses
5) perform experiment
6) Collecting data and analyzing data
7) Conclusions
Why should we repeat experiments?
To see whether results are consistent
Independent variable
Variable being tested
Constant variable
Variable that do NOT change
Dependent variable
Variable being measured
Control
is a standard to which things can be compared
Scientific theories
are explanations or models that are supported by repeated experimentation.
Scientific laws
are rules that describe the behavior of something in nature. They do not explain why something happens.
Why science change
because continuous research and improvements in instruments and testing procedures.
What type of problems cannot be answered using scientific methods
ethics and belief systems
What is the opposite of ethical behavior in science?
fraud
examples of fraud
1) making up data
2) changing the results of experiments
3) taking credit for work done by others
ethics
deals with moral values about what is good or bad.
belief systems
deals with religious and other beliefs
bias
personal opinion that can affect your observations.
