Chapter 1: Practicing Science Flashcards
1
Q
investigative approach to acquiring knowledge
A
scientific method
2
Q
- basic info on biological structures or details or biological processes
- provides info about systems that have no yet been well studied
- descriptive science
A
observational data
3
Q
- result of careful manipulation of the system under study
- answers questions about why or how systems work
- experimental science
A
experimental data
4
Q
scientists develop a tentative explanation to explain observed facts
A
hypothesis
5
Q
statement of what they would see if the hypothesis being tested is NOT correct
A
null hypothesis
6
Q
factors that differ among places or individuals
A
variables
7
Q
statements about what the researcher expects to happen to one variable if another variable changes
A
predictions
8
Q
-must always consider this when designing experiments
A
alternative hypotheses
9
Q
- represents a null hypothesis
- tells us what we would see in the absence of the experimental manipulation
A
control
10
Q
everything is exactly the same, or as close as possible except for the experimental variable
A
controlled experiments
