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iRubric: Popsicle Stick Bridge Building rubric

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Popsicle Stick Bridge Building 
Popsicle Stick Bridge Building
Arch or beam bridge to be made out of popsicle sticks and hot glue. Width must be a minimum of four centimetres. The bridge must span distance of 50 centimetres. The bridge must be able withstand a maximum of 5 kilograms of weight without failing or sagging more than 5 centimetres. Each group must use at least 100 popsicle sticks for the construction of their bridge.
Rubric Code: L96643
By headway
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Public Rubric
Subject: Science  
Type: Project  
Grade Levels: K-5

Powered by iRubric Forces Acting on Structures:
Popsicle Stick Bridge
  Level 1

(N/A)

Level 2

(N/A)

Level 3

(N/A)

Level 4

(N/A)

Appearance

Level 1

Struggled with (shapes, patterns, color, etc.)

Work is sloppy throughout.

Design is unattractive and/or plain.
Level 2

Limited (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 50 centimetres (unstable or incomplete).

Width is not at least 4 centimetres.

Did not maximize use of materials (e.g. many popsicle sticks left over).
Level 2

Beam or arch bridge with limited creative design.

Spans a gap of 50 centimetres, but remains unstable or incomplete in some way.

Width is at least 4 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 4 centimetres.

Good use of materials.
Level 4

Arch bridge designed with excellent creativity.

Spans a gap of 50 centimetres is complete and stable.

Width is at least 4 centimetres.

Excellent use of materials.
Weight Held

Level 1

Failed at 2 kilograms or lower.
Level 2

Failed between 2.5 and 3 kilograms of weight.
Level 3

Failed between 3.5 and 4.5 kilograms of weight.
Level 4

Failed at 5 kilograms of weight. (4-)

Sagged at 5 kilograms of weight but did not fail. (4)

Did not sag nor fail with 5 kilograms of weight. (4+)
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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