13 terms

Experimental Variables as Examples

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independent or manipulated (MIX)
The variable changed by the experimenter.
dependent or responding (DRY)
The variable that is measured.
controlled
The variables that are kept the same.
You are planning an experiment to find out whether the rate at which water freezes depends on the shape of the container. What is the independent variable?

shape of the container
rate at which water freezes
amount of water
You are planning an experiment to find out whether the rate at which water freezes depends on the shape of the container. What is the independent variable?

A.) shape of the container
You are planning an experiment to find out whether the rate at which water freezes depends on the shape of the container. What is the dependent variable?

shape of the container
rate at which water freezes
amount of water
You are planning an experiment to find out whether the rate at which water freezes depends on the shape of the container. What is the dependent variable?

B.) rate at which water freezes
You are planning an experiment to find out whether the rate at which water freezes depends on the shape of the container. What is a constant in this experiment?

C.) amount of water
You are planning an experiment to find out whether the rate at which water freezes depends on the shape of the container. What is a constant in this experiment?

shape of the container
rate at which water freezes
amount of water
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing.

brand of stain remover
how well it removes stain
amount of stain remover added
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing. What is the independent variable?

Cu.) brand of stain remover
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing.

brand of stain remover
how well it removes stain
amount of stain remover added
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing. What is the dependent variable?

Bu) how well it removes stain
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing.

brand of stain remover
how well it removes stain
amount of stain remover added
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing. What is a constant?

Au.) amount of stain remover added
control
Used to compare the results of the experimental group to. The normal situation.
Jon thinks his own custom barbecue sauce makes tastier burgers than the brand name barbecue sauce. He makes 12 burger, six burgers get the his custom sauce, the other six get the brand name sauce.

Which is an example of a control?
Jon thinks his own custom barbecue sauce makes tastier burgers than the brand name barbecue sauce. He makes 12 burger, six burgers get the his custom sauce, the other six get the brand name sauce.

Which is an example of a control?

the brand name sauce
In an experiment testing different types of spray paints, which of the following would be the dependent variable?

A the brand of paint
B the length of time the paint dried
C the surface the paint was sprayed on
In an experiment testing different types of spray paints, which of the following would be the dependent variable?

B the length of time the paint dried
In an experiment testing different types of spray paints, which of the following would be the dependent variable?

A the brand of paint
B the length of time the paint dried
C the surface the paint was sprayed on
In an experiment testing different types of spray paints, which of the following would be the dependent variable?

A the brand of paint
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