Variables in Science Experiments: Practice!

Front

What is a dependent variable in a scientific experiment?

Back

The variable that we measure or observe to see how it responds to changes.

Front

What is an independent variable in a scientific experiment?

Back

The variable that we manipulate to test our hypothesis.

Front

In the experiment studying the hatch rate of chicken eggs, what is the dependent variable?

Back

Hatch rate of chicken eggs.

Front

In the experiment studying the hatch rate of chicken eggs, what is the independent variable?

Back

Incubator temperature.

Front

What is the purpose of keeping certain variables constant in an experiment?

Back

To ensure accuracy and isolate the effects of the independent variable.

Front

What is an example of a dependent variable in an experiment measuring car weight and fuel efficiency?

Back

The fuel efficiency of the car.

Front

What does it mean to control a variable in an experiment?

Back

To keep it constant so it does not affect the outcome.

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 with paper airplanes, what is the dependent variable?

Back

Distance traveled by the paper airplane.

Front

What is the significance of the independent variable in an experiment?

Back

It is the factor that is changed to test its effect on the dependent variable.