Chapter 1.2 The Scientific Approach: Developing a Model Flashcards
1
Q
The Scientific Method
A
process involving creativity and experiments directed towards finding a discovery
2
Q
Observations
A
Facts our ideas must explain
Uses data because it is quantitative
3
Q
Natural Law
A
when the same experiment gets the same results over and over but no one knows why
4
Q
Hypothesis
A
Proposal made to explain and observation, can be incorrect, must be resable by experiment
If hypothesis is wrong, it must/can be changed or revised
5
Q
Experiment
A
set of steps to test a hypothesis
contains at least two variables
6
Q
Variables
A
quantities that can have more than one value
7
Q
Controlled
A
measures the effects of one variable while keeping all other variables constant
must be reproducible
8
Q
Model
A
- theories based on experiments tested to prove hypotheses about observations
- explanation of how something occurs
- simplified representation of some aspect of nature that we used to predict related phenomena