Experimental Design Review

Front

The one variable you change and test in an experiment to see if it has an effect

Back

Independent variable (manipulated variable)

Front

The variables that are kept the same for ALL subjects and samples in an experiment

Back

Controlled variables (constants)

Front

The variable you measure in an experiment

Back

Dependent variable (responding variable)

Front

What body system are you measuring the activity of when you are measuring your pulse rate?

Back

circulatory

Front

Which body system brings in oxygen into your body?

Back

respiratory

Front

Which two body systems work together to remove wastes produced by exercising from cells?

Back

Respiratory and Circulatory

Front

What is the DEPENDENT variable (effect) in this experiment? "Does eating breakfast improve test score?"

Back

the grade you got on the test

Front

What is the INDEPENDENT variable (cause) in this experiment? "Which type of metal, copper or aluminum, conducts heat faster?"

Back

types of metal

Front

What is the DEPENDENT variable in a test where a scientist turns a light on and off to observe moth behavior?

Back

moth behavior/their reaction

Front

What is the independent variable in a study determining if how long you sleep affects your test score?

Back

hours of sleep