iRubric: Straw Towers 3 day rubric

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Straw Towers 3 day

Students will build a straw tower as tall as possible that can support the weight of a tennis ball.

Rubric Code: X6C7C3

By dietcoke

Draft

Public Rubric

Subject: (General)

Type: Project

Grade Levels: 6-8

Tower Project
	Poor 0 pts	Tried 1 pts	Attempted 2 pts	Good 3 pts	Succeeded 4 pts	Excellent 5 pts
Free standing	Poor 0-14 inches	Tried 15-23 inches	Attempted 24-31 inches	Good 32-40 inches	Succeeded 41-49	Excellent 50-58 and higher
Supported a tennis ball	Poor Fell over and did not hold any weight.	Tried 1-9 seconds	Attempted 10-19 seconds	Good 20-24 seconds	Succeeded 25-29 seconds	Excellent 30 seconds of longer
Placement of tennis ball	Poor Bottom of tower	Tried 3/4 of a way down the tower	Attempted 1/2 of the way down tower	Good 1/4 of the way down tower	Succeeded 1/8 of the way down tower	Excellent Top of tower