Dependent and Independent Variables in Experiments

What is the independent variable in an experiment testing if car color affects inside temperature?

• Inside temperature

• Car color

• Type of car

• Time of day

What is the dependent variable in an experiment testing if car color affects inside temperature?

• Car color

• Outside temperature

• Inside temperature

• Car model

What is the independent variable in an experiment about how much water a tree receives and its height?

• Height of the tree

• Type of soil

• Amount of water

• Amount of sunlight

What is the dependent variable in an experiment about how much water a tree receives and its height?

• Amount of water

• Height of the tree

• Type of tree

• Temperature

In an experiment to see if eating bananas reduces blood pressure, what is the independent variable?

• Number of bananas eaten

• Patient's age

• Blood pressure

• Patient's gender

In an experiment to see if eating bananas reduces blood pressure, what is the dependent variable?

• Number of bananas eaten

• Patient's diet

• Blood pressure

• Patient's activity level

What is the independent variable in an experiment testing if tire air pressure affects gas mileage?

• Gas mileage

• Type of car

• Air pressure in tires

• Road conditions

What is the dependent variable in an experiment testing if tire air pressure affects gas mileage?

• Air pressure in tires

• Miles per gallon

• Car speed

• Tire brand

In the walking water experiment, what is the independent variable?

• Type of cup

• Type of water

• Amount of water transferred

• Type of paper towel

Which of these is a control variable in the walking water experiment?

• The amount of water transferred

• The type of water

• The type of cup

• The time the experiment runs