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Name_______________
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Questions for Boiling Water Lab Period______
Student #______
Greetings Students! Please answer these questions in complete quality and correct sentences that reflect the question.
1. What scientific question is being investigated in this experiment? (It might help to answer 2 & 3 first)
2. What is the Manipulated (experimental) variable in this experiment?
3. Describe the Responding (measured) Variable for this experiment.
4. Create an appropriate prediction for this question.
(If Then FORMAT)
5. Develop an appropriate hypothesis (prediction with a reason) for the above question. (If Then Because FORMAT)
6. Identify the control trial(s).
7. Identify the experimental trial(s)
8. What was the thermometer error of your station's thermometer? (Show your work.)
9. Tell 2 controlled variables for this experiment
10. Tell 2 uncontrolled variables for this experiment.
11. Create and attach CQC DT1 &endash; Boiling Point of Fresh Water & Thermometer Error
12. Create and attach CQC DT2 &endash; Boiling Point of Unknown Solution.
13. Create & attach a properly formatted graph with data from both trials on Graph 1/2 Boiling Point of Fresh Water vs Unknown Solution. Use different colored pencils to tell the lines apart and put a key on the graph to show which line is which.
14. Name and give an example of two probable sources of error (besides instrument error) that could have occurred during this experiment.
15. Develop a Complete Long Conclusion for the Boiling Water experiment. Use your handout!
16. Describe the reliability of your indivual TEAM's experiemnt.
17. Tell how this experiment could be changed to improve its validity.
18. Is boiling point a physical property, or a chemical property of a substance?
19. Tell the 4 steps to follow for a person getting an electrical shock.
20. What three things can you do to avoid Biological hazards?
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