independent and dependent variables

Front

What is an independent variable?

Back

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

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

In the experiment about drinking milk and Monica's growth, what is the independent variable?

Back

Drinking milk.

Front

In Sarah's birthday treat experiment, what is the independent variable?

Back

The number of students in her class.

Front

What is a hypothesis?

Back

A hypothesis is a possible explanation for a problem that can be tested through experimentation.

Front

In the paper airplane experiment, what is the independent variable?

Back

The type of paper airplane.

Front

What are observations made during an experiment called?

Back

Data.

Front

How does changing the independent variable affect the dependent variable?

Back

Changing the independent variable can cause changes in the dependent variable, allowing us to see the relationship between the two.

Front

Give an example of an independent variable in a plant growth experiment.

Back

The amount of sunlight the plant receives.

Front

Give an example of a dependent variable in a plant growth experiment.

Back

The height of the plant.