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iRubric: Stir Stick Bridge Building rubric

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

Powered by iRubric 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


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