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iRubric: Stir Stick Bridge Building rubric
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Stir Stick Bridge Building
Popsicle Stick Bridge Building
Bridge to be made out of wooden stir sticks and wood glue. Width of bridge deck must be a minimum of 9 centimetres. The bridge must span a distance of 20 centimetres. The height of the deck must be 12 cm from the base. The bridge must be able withstand a maximum of 5 kilograms of weight without failing or sagging more than 5 centimetres. Each group will be given 500 stir sticks.
Rubric Code:
X5WB44
By
dsilva
Ready to use
Public Rubric
Subject:
Science
Type:
Project
Grade Levels:
6-8
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Forces Acting on Structures:
Stir Stick Bridge
Level 1
(N/A)
Level 2
(N/A)
Level 3
(N/A)
Level 4
(N/A)
Appearance
Level 1
Not aesthetically pleasing (shapes, patterns, colour, etc.)
Work is sloppy throughout
Design is unattractive and/or plain
Level 2
Limited aesthetics
(shapes, patterns, colour, etc.)
Design and use of glue is messy at times
Some visual appeal
glue use..messy
Level 3
Overall, an attractive bridge (shapes, patterns, colour, etc.)
Tidy work most of the time
Visually appealing
Level 4
Extremely aesthetic in design (shapes, patterns, colour, etc.)
All constuction is clean and attractive.
Visually appealing
Structure
Level 1
Basic beam bridge (no real design)
Does not span a gap of 20 centimetres (unstable or incomplete)
Width is not at least 9 centimetres.
Did not maximize use of materials (e.g. many popsicle sticks left over)
Level 2
Beam or arch bridge with limited creative design (e.g. no trusses used)
Spans a gap of 20 centimetres, but remains unstable or incomplete in some way)
Width is at least 9 centimetres
Limited use of materials (e.g. many popsicle sticks left over)
Level 3
Beam or arch bridge designed with good creativity
Spans a gap of 50 centimetres, is complete and stable
Width is at least 9 centimetres
Good use of materials
Level 4
Arch bridge designed with excellent creativity
Spans a gap of 20 centimetres is complete and stable
Width is at least 9 centimetres
Excellent use of materials
Weight Held
Level 1
Failed with very little weight
Level 2
Failed at 10 kilograms of weight
Level 3
Sagged more than 5 cm with 10 kilograms of weight but did not fail
Level 4
Did not sag nor fail with 10 kilograms of weight
Teamwork
Level 1
Partners ..no team work.. one person ran the show!
No respect shown.
Level 2
Partners ..some team work
Some respect shown.
Level 3
Partners were working together, but some were distracted from thier project.
Respect was observed at times.
Level 4
Each person was actively involved in the building process. All partners were treated with respect.
Blueprint
- sketch
- prewriting
description
- post building
reflection
Level 1
Bridge design does not match the design of the blueprint and changes were not explained.
Level 2
Bridge design somewhat matches the design of the blueprint.
If any changes were made during building, they were explained a little upon reflection.
Level 3
Bridge blueprint mostly matches the design of the finished product.
If any changes were made during building, they were sufficiently explained upon reflection.
Level 4
Bridge blueprint matches the design of the finished product.
If any changes were made during building, they were thoroughly explained upon reflection.
Keywords:
bridge, structures, forces, science
Subjects:
Science
(General)
Types:
Project
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