Identifying Variables in Scientific Experiments

What is the independent variable in the experiment involving car colors and inside temperature?

• The location of the cars

• The temperature inside the car

• The time of day

• The color of the car

In the car color experiment, what is the dependent variable?

• The temperature inside the car

• The weather conditions

• The type of car

• The color of the car

In the tree height experiment, what is the independent variable?

• The age of the tree

• The height of the tree

• The type of soil

• The amount of water received

What is the dependent variable in the tree height experiment?

• The sunlight exposure

• The height of the tree

• The type of tree

• The amount of water received

In the banana consumption experiment, what is the independent variable?

• The blood pressure of patients

• The gender of the patients

• The number of bananas eaten per week

• The age of the patients

What is the dependent variable in the banana consumption experiment?

• The blood pressure of patients

• The age of the patients

• The gender of the patients

• The number of bananas eaten per week

In the air pressure experiment, what is the independent variable?

• The air pressure in the tires

• The driving speed

• The miles per gallon

• The type of car

What is the dependent variable in the air pressure experiment?

• The driving speed

• The miles per gallon

• The type of car

• The air pressure in the tires

Organize these options into the right categories

Groups:

(a) Independent Variable

,

(b) Dependent Variable

• air quality inside the car

• weather conditions

• humidity inside the car

• speed of the car

• temperature inside the car

• age of the driver

• pressure inside the car

• carbon dioxide level inside the car

• color of car

• noise level inside the car

• weight of the car

• light intensity inside the car

• time of day

• fuel efficiency of the car

• distance traveled

• odors inside the car

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

• The type of paper towels

• The type of cup

• The amount of water

• The type of water (fresh or salt)