iRubric: Water Bottle Rocket rubric

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Water Bottle Rocket Water Bottle Rocket Assesment of water bottle rocket, as built Rubric Code: R76W89 By jayhop Ready to use Public Rubric Subject: Physics Type: Project Grade Levels: 6-8

Water Bottle Rocket Assesment of Water Bottle Rocket, as built
	Poor 1 pts	Fair 2 pts	Good 3 pts
Center of mass/ Pressure 3 pts Center of mass below center of pressure	Poor Center of mass above center of pressure	Fair Center of mass at center of pressure	Good Center of mass below center of pressure.
Stable? 3 pts Rocket flys true during stability test	Poor Rocket does not fly true during stability test	Fair Rocket almost flys true during stability test	Good Rocket flys true during stability test
Nose cone 3 pts Nose cone secure and aerodynamic	Poor Nose cone absent or not secure and aerodynamic	Fair Nose cone somewhat secure and aerodynamic	Good Nose cone secure and aerodynamic
Tail fins 3 pts Tail fins sturdy and of appropriate size and placment.	Poor Tail fins absent or not sturdy and of appropriate size and placment.	Fair Tail fins somewhat sturdy and of appropriate size and placment.	Good Tail fins sturdy and of appropriate size and placment.
Building behavior 3 pts Students behavior while building the rocket.	Poor Did not stay on task and did not follow directions.	Fair Had to be reminded to work.	Good Worked hard with a positive attitude.