What makes a good variable? YES NO What makes good Is the independent variable measurable? variables? Can you change the amount or quality of the For good variables, you independent variable? should answer to every “yes” Have you identified all relevant dependent question to the right. variables and are they all caused by and dependent on the independent variable? Are all dependent variable(s) measurable? Identify your Have you identified all relevant controlled variables? Variables Can all controlled variables be held at a steady value during the experiment? Independent Variable Can you repeat the test? (What I will change on purpose): ________________________________________________________ Dependent Variable (What I think will change during the experiment): ______________________________________ Controlled Variables (What I will keep the same): ______________________________________________________________ Control Group (The experimental group that gets amount” or none of the independent variable): “normal
What makes a good variable? YES NO Is the independent variable measurable? Can you change the amount or quality of the independent variable? Have you identified all relevant dependent variables and are they all caused by and dependent on the independent variable? Are all dependent variable(s) measurable? Have you identified all relevant controlled variables? Can all controlled variables be held at a steady value during the experiment? Can you repeat the test? What makes good variables? For good variables, you should answer “yes” to every question to the right. Identify your Variables Independent Variable (What I will change on purpose): ________________________________________________________ Dependent Variable (What I think will change during the experiment): ______________________________________ Controlled Variables (What I will keep the same): ______________________________________________________________ Control Group (The experimental group that gets “normal amount” or none of the independent variable):
__2013_science_fair_project_packet.docx