Independent/Dependent Variables

A study was done to find if different tire treads affect the braking distance of a car.

What is the independent variable?

• Different tire treads

• Breaking distance

• Type of car

• Speed of the car

A study was done to find if different tire treads affect the braking distance of a car.

What is the dependent variable?

• Different tire treads

• Breaking distance

• Type of car

• Speed of the car

A study was done to find if different tire treads affect the braking distance of a car.

What is a constant variable?

• Different tire treads

• Breaking distance

• Speed of the car

The height of bean plants depends on the amount of water they receive.

What is the independent variable?

• Bean plant height

• Amount of water

• Type of plant

• Amount of light received

The height of bean plants depends on the amount of water they receive.

What is the dependent variable?

• Bean plant height

• Amount of water

• Type of plant

• Amount of light received

An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee.

What is a constant variable?

• Amount of coffee grounds

• Taste of coffee

• Amount of water

The higher the temperature of the air in the oven, the faster a cake will bake.

What is the independent variable?

• Oven temperature

• Time to bake a cake

• Type of cake

• Size of cake

The higher the temperature of the air in the oven, the faster a cake will bake.

What is the dependent variable?

• Oven temperature

• Time to bake a cake

• Type of cake

• Size of cake

Lemon trees receiving the most water produced the most lemons.

What is the independent variable?

• Number of lemons

• Amount of water

• Type of tree

• Height of tree

Lemon trees receiving the most water produced the most lemons.

What is the dependent variable?

• Number of lemons

• Amount of water

• Type of tree

• Height of tree