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I use different types of weed killers on my lawn to see which one kills the most weeds. What is the DV?
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
Scientists wanted to determine the levels of pollution that a fish could withstand. They placed fish in tanks with differing pollution levels and timed how long they could live under those conditions. What is the IV?
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
The independent variable is the variable that you change.
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
The dependent variable is the variable that you change.
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
To test the safety of a car, crash tests will test different types of cars in collision situations. They want to determine in which car the crash test dummy receives the least amount of damage. What is the IV?
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
To test the safety of a car, crash tests will test different types of cars in collision situations. They want to determine in which car the crash test dummy receives the least amount of damage. What is the DV?
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
How many dependent variable can you have in an experiment?
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the IV?
Amount of damage to the dummy
Type of car
False
As many are you can measure.
Levels of pollution
Type of fertilizer
True
Amount of weeds killed
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