Name _________________ Block_____ Bottle Rocket Lab Write Up Air Pressure 60 psi 60 psi 60 psi Water Level 300 mL 600 mL 900 mL Time * The water is being used as the reaction mass which is the mass against which a system operates in order to produce acceleration. 1. What is the independent variable? _________________________________________________________________________ 2. What is the dependent variable? _________________________________________________________________________ 3. What are some variables that must be held constant? _________________________________________________________________________ 4. Write a hypothesis on what you think is going to occur as you increase the water in your rocket. Please use the format If (state how the I.V. is being changed) then the (D.V) will (do this). ___________________________________________________________________________ ___________________________________________________________________________ 5. Are there any environmental factors that could affect how your rocket launches today? If so explain. ___________________________________________________________________________ ___________________________________________________________________________ 6. What happened to the time your rocket was in the air as the water level increased? ___________________________________________________________________________ ___________________________________________________________________________ 7. What modifications would you like to make to your rocket to make it have a longer flight? Why do you think this would improve your rocket? ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Name _________________ Block_____ 8. In the future what other variables would you like to test using your rocket? ___________________________________________________________________________ ___________________________________________________________________________ 9. On the table below please critique your partners….were they helpful? Did they actively participate? Did they act respectfully and professionally towards you? Were they actively engaged in the construction of the rocket and did they help with getting the necessary materials? 10 (they were the most awesome partner ever) to a 1 (they were awful stinky doo-doo) Name of Partner Helpfulness Rating Professionalism Rating Activeness in Construction of the Rocket…and in helping with materials 10. Write a conclusion for the rocket experiment. Be sure to follow the conclusion framework. Each sentence is worth 5 points for a total of 25 points. Sentences to include: 1. Purpose 2. Restate Hypothesis 3. Overall Results statement 4. Give 3 pieces of data 5. If the data supported/did not support/ or was not clear about your hypothesis. ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________