Controlled Experiments and Scientific Method Flashcards
What is the format for stating the problem?
The effect of the ___(independent variable)___ on the ___(dependent variable)____.
What is the format for stating the hypothesis?
If the ____(independent variable)____ is ___(how it changes)____ then the ____(how the dependent variable is measured)_____ will _____(predict the outcome)___.
Define a controlled experiment.
an experiment where only 1 variable changes at a time
On a graph, which axis does the dependent variable go on?
y-axis
On a graph, which axis does the independent variable go on?
x-axis
Define independent variable.
the variable that is changed
“I”, the scientist, often change this variable
Define dependent variable.
the variable that is being measured
Define constant.
the variable that stays the same throughout the experiment
Define control group.
the group that is not manipulated
closest to “normal”
What are some key words to help you identify the experiment’s constants?
same, identical, always, alike
Bar graphs are used to display what kind of data?
discrete data
Line graphs are used to display what kind of data?
continuous data
