Do Now 09.07.23

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable

How many variables should you change in an experiment?

• none
• 1
• 2 or more
• depends on the type of experiment

The dependent variable is what the experimenter...

• changes

• measures

• keeps the same

• does not know

Factors in an experiment that need to stay the same are called...

• constants

• independent variables

• dependent variables

• unknowns

Which of the following would be the most valid set of data?

• an experiment with data from 2000 participants

• an experiment with data from 10 participants

• an experiment with data from 200 participants

• an experiment with data from 500 participants

The one factor that a scientist changes during an experiment.

• Controlled Variable

• Dependent Variable

• Independent Variable

The variable that is measured.

• Controlled Variable

• Dependent Variable

• Independent Variable

What is an Independent Variable?

• It is what "I" change in the experiment.

• It is what is measured or observed

• It is something that stays the same.

What is a dependent variable?

• It is what "I" change.

• It is what is measured or observed

• It is what stays the same.