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In a study about headaches, doctors gave patients Aleve, Tylenol, and Advil to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the Dependent variable?
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
The hypothesis in a scientific investigation is
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
Which is the first step in the scientific method?
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
The variables or factors in an experiment that must stay the same.
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
The dependent variable is the one you measure.
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
The independent variable is the variable that you change.
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
In a study about headaches, doctors gave patients Aleve, Tylenol, and Advil to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the Independent variable?
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
A farmer applies different fertilizer to his plants to see which will make the plants grow the highest. What is the independent variable?
True
an educated guess about the outcome of the experiment.
ask a question
True
type of fertilizer
Amount of time until pain was relieved
Types of pain reliever
Constant Variables
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