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NAME_________________________________ CLASS____________________ DATE____________ 

Beginner's Guide to Rockets

Purpose: To study the effects of temperature change on gas molecules.

1. Record your observations as you complete step 1.
   
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2. A. Compare the temperature of the gas molecules inside the flask with those outside the flask before heating.

   
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   B. Compare the temperature of the gas molecules inside the flask with those outside the flask during heating.
   
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   C. Compare the temperature of the gas molecules inside the flask with those outside the flask after the balloon was placed securely on the flask.

   
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3. A. How does the change in temperature affect the gas molecules' motion?
   
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   B. How does the change in temperature affect the gas molecules' force?
   
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4. A. What happens to gas temperature as exhaust travels through a rocket nozzle from the throat to the exit?
   
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   B. How does molecular motion change from the throat to the exit?
   
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   C. What is one function of a rocket nozzle?
   
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5. What is the relationship between air temperature and molecular motion?
   
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   How did you form this conclusion ?
   
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6. What is the relationship between air temperature and force of gas molecules?
   
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   How did you form this conclusion?
   
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7. After studying gas temperature and rocket nozzles, list three questions that you or you and your lab partners now have about this topic.
   

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