Identifying Variables

Front

What is an independent variable?

Back

The independent variable is the one you change in an experiment.

Front

What is a dependent variable?

Back

The dependent variable is the one you measure in an experiment.

Front

In the experiment about sugar dissolving, what is the independent variable?

Back

Temperature of Water.

Front

In the experiment about sugar dissolving, what is the dependent variable?

Back

Dissolving Rate.

Front

What does it mean to control variables in an experiment?

Back

Controlling variables means keeping all other factors constant except for the independent variable.

Front

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

Back

Wing shape.

Front

In the ice cream melting experiment, what is the independent variable?

Back

Flavor of ice cream.

Front

In the rose growth experiment, what is the dependent variable?

Back

Growth height of the roses.

Front

What is the purpose of an experiment?

Back

To test a hypothesis by changing one variable and observing the effect.

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between variables.