G\H Variables

Front

What is a dependent variable?

Back

The variable that is being measured in an experiment.

Front

What is an independent variable?

Back

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

Front

What is a control variable?

Back

Variables that are kept constant to ensure that the experiment is fair.

Front

In an experiment, how many independent variables should be changed at a time?

Back

Only 1 independent variable should be changed at a time.

Front

What is the dependent variable in the question: 'Does the type of sneaker you wear affect how fast you can run?'

Back

How fast you run.

Front

What is the independent variable in the question: 'Does the amount of water a plant receives affect its growth?'

Back

The amount you water each plant.

Front

Why is it important to keep control variables constant in an experiment?

Back

To ensure that the results are due to the independent variable and not other factors.

Front

What makes an experiment unfair?

Back

Using different types of seeds or plants, or changing more than one independent variable.

Front

What is the purpose of an experiment?

Back

To test a hypothesis by observing the effects of changing the independent variable.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.