Ms. Jenks sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
The mass of the ball
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25
In an experiment, the one variable that is changed is called the
Independent Variable
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10
group that does not receive the variable you are changing or gets the "normal condition"
Control Group
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25
Two students prepare lab reports, one for a physics class and the other for a biology class. Which of the following items will both reports contain?
G
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15
In an experiment, the factor that we measure is called the
Dependent Variable
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boom
Lose 50 points!
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star
Double points!
Okay!
gift
Win 15 points!
Okay!
thief
Give points!
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5
group that receives a different amount or type of the variable you are changing
Experimental Group
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banana
Go to last place!
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star
Double points!
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fairy
Take points!
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banana
Go to last place!
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5
There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?
Quantitative
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repeated measurements or trials within an experiment
Repetition
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a visual representation of data used to show patterns and relationships
Graph
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monster
Reset all scores!
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star
Double points!
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rocket
Go to first place!
Okay!
lifesaver
Give 10 points!
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15
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
The gender of the baby
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5
A possible explanation to a problem that has not yet been tested.
Hypothesis
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A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.