Dependent and Independent Variables

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment. It responds to changes in the independent variable.

Front

In the experiment, if the type of gasoline is changed to see how it affects speed, what is the independent variable?

Back

Type of gasoline.

Front

If the speed of a car is measured to see how it changes with different types of gasoline, what is the dependent variable?

Back

Speed of the car.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.

Front

In an experiment, if the flavor of ice cream is changed to see how it affects melting speed, what is the independent variable?

Back

Flavor of ice cream.

Front

If the melting speed of ice cream is measured based on its flavor, what is the dependent variable?

Back

Melting speed of the ice cream.

Front

What is a controlled variable?

Back

A controlled variable is a factor that is kept constant throughout an experiment to ensure that the results are valid.

Front

Why is it important to identify independent and dependent variables in an experiment?

Back

Identifying these variables helps to clarify the purpose of the experiment and ensures accurate data collection.

Front

In the experiment, if the temperature of a room is decreased to see how it affects battery lifespan, what is the independent variable?

Back

Temperature of the room.