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iRubric: Water Filtration System rubric

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Water Filtration System Water Filtration System Students work as a team to design and build a filtration system to remove as much dirt or sediment from the provided water samples as possible. Rubric Code: DX97834 By gepredenise Ready to use Public Rubric Subject: Science Type: Assessment Grade Levels: 6-8

Water Filtration System
	Below Standard 1 pts	Approaching Standard 2 pts	At Standard 3 pts	Exceeds Standard 4 pts
Water Filtration Model	Below Standard Lacked creatvity and practicality for water filtration process. Did not remove any of the pollutants.	Approaching Standard Somewhat creative and practical model for water filtration process. Removed some of the pollutants.	At Standard Mostly creative and practical use for water filtration process. Removed most of the pollutants.	Exceeds Standard Creative and practical use for water filtration process. Very effective in removing all pollutants.
Water Filtration Revisions	Below Standard Revisions would not modify water filtration system to be effective.	Approaching Standard Revisions were somewhat useful to modify water filtration system.	At Standard Most revisions were thoughtful to modify the water filtration system.	Exceeds Standard Thoughtful revisions to modify water filtration system.
Water Clarity	Below Standard Completely dirty (as the orginal water appeared)	Approaching Standard About three quarters to half of the dirt remains	At Standard About a quarter to half of the dirt remains	Exceeds Standard Completely clear (as drinking water might appear)
Water Filtration Testing	Below Standard Group failed to work together to create an overall sucessful system.	Approaching Standard Group worked together some of the time.	At Standard Group worked together most of the time.	Exceeds Standard Group worked well together in creating a well thought out sytem.