Understanding Independent and Dependent Variables

What is the independent variable in the car color and temperature experiment?

• The location of the cars

• The time of day

• The color of the car

• The temperature inside the car

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

• The type of car

• The weather conditions

• The temperature inside the car

• The color of the car

What does the height of a tree depend on in the given example?

• The type of tree

• The amount of sunlight

• The amount of water it receives

• The type of soil

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

• The height of the tree

• The type of tree

• The amount of water received

• The age of the tree

How many servings of bananas are used in the blood pressure experiment?

• Six servings

• Four servings

• Three servings

• Five servings

What is the dependent variable in the banana and blood pressure experiment?

• The weight of the patients

• The blood pressure of the patients

• The age of the patients

• The number of bananas eaten

In the air pressure and gas mileage experiment, what is the independent variable?

• The distance traveled

• The air pressure in the tires

• The type of car

• The speed of the car

What is being measured in the fresh water vs salt water absorption experiment?

• The amount of water absorbed

• The size of the cups

• The type of paper towels

• The type of water

What is the independent variable in the fresh water vs salt water absorption experiment?

• The amount of water absorbed

• The type of water (fresh or salt)

• The size of the cups

• The duration of the experiment

What is a control variable in the fresh water vs salt water absorption experiment?

• The duration of the experiment

• The type of cups used

• The amount of water absorbed

• The type of water