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Middle School: 6th, 7th and 8th Grade
Biology
Causal Or Association Relationship Of Variables
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Q.1
How many different types of variables are there?
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One
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Two
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Three
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Four
Q.2
Which is the key independent variable of the hypothesis " "?
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Collisions
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Number of bubbles
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Rate
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Temperature
Q.3
As X increases, Y increases demonstrates a...
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negative correlation
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positive correlation
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causal relationship
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association relationship
Q.4
The dependent variable is...
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the factor we change
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the factor we control
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the factor we measure
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the X factor
Q.5
What is the dependent variable in the prediction " ?
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pH
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Decrease
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Increase
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Number of bubbles
Q.6
An association is not the same thing as a causal relationship because...
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causal means one thing has definitely influenced the outcome
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causal means other factors could have caused the outcome
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association means they are connected by lots of factors
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association is not relevant
Q.7
Causal implies that...
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X caused Y to increase
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An unknown factor caused Y to increase
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Z was involved
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Other factors were involved
Q.8
Directly proportional means that...
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as X increases, Y increases in proportion giving a straight line graph
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as X increases, Y decreases
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as X increases, Y increases a small amount
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As X increases, Y increases greatly
Q.9
What is an independent variable in a scientific experiment?
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A factor which never changes
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A factor which changes
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A factor whose values are changed or selected by the investigator
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A factor which must always be kept the same
Q.10
The key independent variable is...
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the factor we change
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the factor we keep the same
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the factor we measure
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the factor we ignore
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