Experiment Terminology

What is the name of the factor in an experiment that you change?

• independent variable

• dependent variable

• constants/controls

• interference

What are the things that stay the same during an experiment called?

• independent variable

• dependent variable

• constants/controls

• interference

What is a hypothesis?

• an untestable statement

• your best educated guess based on research

• whatever your teacher says is the right answer

• an experiment

This part of an experiment serves as a basis of comparison; the variable being tested has been omitted.

• experimental group

• control group

• variable

• data

Which type of data involves numbers that are obtained by counting or measuring?

• qualitative

• quantitative

• observative

• predictive

What is the minimum number of trials that are required for a good experiment?

• 1

• 3

• 5

• as many as are possible-there is no minimum

What is the name of the factor of the experiment that is measured after responding to the variable that you change?

• independent variable

• dependent variable

• constants/controls

• interference

What is the best kind of graph to show a relationship between quantitative values?

• bar graph

• line graph

• pie chart

• histogram