The variable that is deliberately changed in an experiment.
Independent Variable
It is the first step of the scientific method
Recognize the Problem
The gathering of information using the 5 senses
An observation
An experiment in which one variable is changed at a time
Controlled experiment
The independent variable is plotted on this axis
X-axis
The variable that is observed or measured in an experiment.
Dependent Variable
It is the last step of the scientific method
Draw Conclusions
An explanation for an observation
An inference
The independent variable in the following experiment
The amount/frequency of water
The dependent variable is plotted on this axis
Y-axis
The variables that remain the same in a controlled experiment.
Controlled Variables
It is the third step of the scientific method
Design an experiment
The flower has pink petals
A qualitative observation
In an experiment, it is the group that provides the basis of comparison (the independent variable is not applied)
The control group
Use this graph if you want to compare the change in outside air temperature over time
A line graph
The independent variable in the follow:
Does changing the height of the ramp affect the speed of a car going down the ramp?
The height of the ramp
It is the fourth step of the scientific method
Test the hypothesis
The lion weighs 350 pounds
A quantitative observation
In an experiment, it is the group that receives the changing independent variable
Experimental group
This graph shows data as parts of a whole, adding to 100%
Pie graph, pie chart, circle graph
The dependent variable in the follow:
If I water the tomatoes in my garden daily, then they will grow taller
The height/growth of the tomato plants
It is the sixth step of the scientific method
Analyze data
Damage from the hurricane is expected to be extensive
An inference
The control group in the following image
Plant A
The independent variable on the following graph
Time