Experimental Design and Variables

Collecting data

Identifying variables

Formulating a conclusion

Conducting a trial

It is the data collected

It is the result of the experiment

It is the variable that remains constant

It is the variable that is changed

Resting time

Type of clothespin

Amount of exercise

Number of clothespin squeezes

Experimental group

Variable group

Sample group

Control group

By changing the hypothesis

By repeating the experiment

By reducing the sample size

By altering the control group

Base

Meniscus

Bottom line

Zero mark

To use the correct tool

To measure faster

To avoid errors in units

To ensure accuracy

To serve as a conclusion

To justify sample size

To establish a baseline for comparison

To formulate a hypothesis

Type of exercise

Number of squeezes

Amount of exercise

Duration of rest

To test multiple variables

To provide a baseline for comparison

To increase the sample size

To change the outcome