Variables

Front

Independant variable

Back

a variable that is changed by the scientist

Front

What is the control group in an experiment?

Back

a variable that does not change during an experiment

Front

What is the dependent variable?

Back

the result of the experiment

Front

What is the independent variable (IV) in the experiment where students of different ages were given the same puzzle to put together and timed for completion?

Back

Student ages

Front

What is the DV in the experiment where students of different ages were timed to see how long it took to finish the puzzle?

Back

Time to finish the puzzle

Front

What is the control in the experiment where students of different ages were given the same puzzle to put together and timed?

Back

The puzzle

Front

Back

Number of E. Coli Bacteria

Front

Back

Hours

Front

In an experiment on plants to see how different liquids affect plant growth, what is the independent variable?

Back

the liquid the plant is given

Front

In an experiment on plants with different liquids (water, apple juice, milk), what is the dependent variable?

Back

plant growth