Answer these questions in complete, quality and correct sentences on a separate sheet of paper.
schmied/reid©2009 The World of Variables Questions
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1. What does to "vary something" mean?
2. What are two things that can change during the day and you can't keep from varying?
3. Name the type of variable described in Question 2.
4. Tell two things that don't vary during the day, but could.
5. Name the type of variable described in Question 4.
6. In an experiment, what type of variable that is changed for the purpose of testing the hypothesis?
7. Scientifically, what is the variable that is measured in an experiment called?
8. How many Manipulated variables can be in an experiment?
9. How many Responding variables can be in an experiment?
10. How many Controlled "All others" variables can be in an experiment?
11. Tell two ways to control variables.
12. How many Uncontrolled "All others" variables can be in an experiment?
13. What type of variable is most undesirable to have in an experiment?
14. What is a Control trial?
15. Why do scientists have control (trials) in their experiments?
16. What is an Experimental Trial and what is different about an Experimental Trial and a Control Trial?
17. Tell which is the Control Trial and which are Experimental Trials in the experimental set up below.
18. Tell what is the Study Subject in the experiment above.
19. Explain what the Manipulated variable is in the experiment above.
20. What is the Responding Variable in the experiment above?
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