Experimental Variables
An aspect of an experiment that changes during the course of the experiment.
What is an experimental variable
The variable or part of the experiment to which all other variables should be ______________.
What is compared?
An experiment in which the participants don’t know whether or not they are part of the control group.
What is a blind experiment?
Data that depends on the opinions of people.
What is subjective or subjective data?
This is the horizontal or bottom line on a graph.
What is the x-axis?
Sometimes experimental variables are important for the experiment, sometimes they should be _________or___________
What is reduced or eliminated?
The control in our boat experiment was the boat with ___________.
What is no motor on it?
A double blind experiment is when neither the participants or the people _________the results know who is in the control group.
What is analyzing?
Data that in no way depends on opinions of people.
What is objective?
This is the vertical line on a graph.
What is the y-axis?
In an experiment, the different dishwasher detergents were used to clean dishes. The results are recorded. This type of experimental variable is ____________
What is important to the experiment?
What was the control in our experiment with the Gatorade?
What was the kool-aid group?
A group of people are given an energy bar or a regular granola bar and the results of how they feel in the next hour are recorded. Should this be a blind or double blind experiment?
What is double blind?
Surveying your class on their favorite TV show is __________ data.
What is subjective?
They tell us trends in data.
What is a graph or Why is a graph important?
Students did an experiment to see who could finish a mountain bike course the fastest depending on what they ate for breakfast. Each student had a different bike. Which variable should be reduced or eliminated?
What is the different types of bikes?
Because it allows all other results to be compared to something.
Why is the control important?
Do plants being given fertilizer or no fertilizer need to have a blind or double blind experiment?
What is no?
Surveying your class on how many people are in their immediate family is _____________.
What is objective?
In an experiment where some of the plants are given fertilizer and some are not, the control is the ___________.
What is the plants not given fertilizer?