Exploring Basic Physical Science Concepts - Worksheet 2

Name ________________________

Class ________   Date ____________

Testing your Puff Mobile

All engineers need to test their work to make sure it is the best it can be.  Use this sheet as a guide to testing your puff mobile. 

Make any changes you think are necessary.

Test #1

Describe the measurements and characteristics of your Puff Mobile in a drawing or in words.  Be very specific!

Test it out.  Using one deep breath, how far does your Puff Mobile travel?  _________________________________________________________

Now, work with your group to decide ONE thing you will change about your Puff Mobile.  This is called a variable.  EVERYTHING else must stay the same (your controls). 

What are you changing?  ______________________________________

Test it out.  Using one deep breath, how far does your Puff Mobile travel?

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Did your puff mobile improve?  Or not.  ___________________________

Now, work with your group to decide ONE other thing you will change about your Puff Mobile.  This is called a variable.  EVERYTHING else must stay the same (your controls). 

What are you changing?  ______________________________________

Test it out.  Using one deep breath, how far does your Puff Mobile travel?

_________________________________________________________

Did your puff mobile improve?  Or not.  ___________________________

Think about it!

Should the same student blow on the Puff Mobile every time?  Why or why not?  Think about controls and variables.  (Only complete sentences are accepted)

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