Identifying Variables

Front

What is the independent variable in an experiment?

Back

The independent variable is the ONE thing you change in an experiment.

Front

True or False: A hypothesis must be stated in a way that is testable.

Back

True

Front

How many variables can be tested in a controlled experiment?

Back

One.

Front

What type of observation is 'There are 29 students in the classroom'?

Back

Quantitative observation.

Front

What does the control group do in an experiment?

Back

The control group serves as a baseline for comparison, often receiving a placebo.

Front

What is a dependent variable?

Back

The dependent variable is the outcome that is measured in an experiment.

Front

What is a hypothesis?

Back

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

Front

What is the purpose of constants in an experiment?

Back

Constants are factors that remain the same to ensure a fair test.

Front

What is qualitative observation?

Back

Qualitative observation involves descriptions that cannot be measured numerically.

Front

What is the difference between an independent variable and a dependent variable?

Back

The independent variable is changed by the experimenter, while the dependent variable is measured.