iRubric: Cardboard Boat Challenge rubric

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Cardboard Boat Challenge

Students will design and construct a cardboard boat. The boat must be designed and constructed using acceptable construction practices, and specified materials. Areas to be judged will be design, principles of construction, buoyancy/displacement physics, and team spirit.

Rubric Code: D25W755

By Mrs_Porter

Ready to use

Public Rubric

Subject: Physics

Type: Project

Grade Levels: 6-8

Cardboard Boat Challenge
	Above Proficient 5 pts	Proficient 4 pts	Developing 2 pts	Beginning 1 pts
Design/Research	Above Proficient Creative, workmanship neat, evidence of research regarding boat design and flotation. Formal design drawn to scale.	Proficient Suitable boat structure; no apparent research or creativity in design. Rough sketch drawn.	Developing Presentation lacking creativity or neatness. No design drawn.	Beginning Design and/or research portions of the challenge were not completed.
Principles of Construction	Above Proficient Construction demonstrates excellent strength and rigidity. Structure is water-tight.	Proficient Bridge structure and design reflect the distribution of weight/forces by demonstrating one example of elasticity, tension and/or compression principles	Developing No evidence of distribution of weight/forces using elasticity, tension or compression principles	Beginning No Bridge.
Buoyancy/Displacement Physics	Above Proficient Evidence in design and construction of buoyancy and flotation principles. Includes displacement calculations. Accurate Prediction of waterline. Passes the flotation test (at least one team member seated in boat for minimum of 1 pool length or 1 minute)	Proficient Evidence in design and construction of buoyancy and flotation principles. Includes attempt at displacement calculations, though they may be inaccurate. Inaccurate Prediction of waterline. Displays a high degree of flotation (at least one team member seated in boat for minimum of 1/2 pool length or 30 seconds)	Developing Little to no evidence in design and construction of buoyancy and flotation principles. Calculations or waterline prediction are 50% or more inaccurate. Displays some degree of flotation (at least one team member seated in boat for minimum of 1/4 pool length or 15 seconds)	Beginning Little to no evidence in design and construction of buoyancy and flotation principles. Calculations or waterline prediction are 75% or more inaccurate. Displays no or marginal flotation (boat with passenger(s) floats for less than 1/4 pool length or 15 seconds)
Team Work * Will be observed by the teacher during in class work time.	Above Proficient Demonstrates all team members had input in design and construction of boat; team members are supportive of teammates throughout the process.	Proficient Demonstrates most team members had input in design and construction of boat; team members are mostly supportive of teammates throughout the process.	Developing Demonstrates some team members had input in design and construction of boat; team members are somewhat supportive of teammates throughout the process.	Beginning Demonstrates few team members had input in design and construction of boat; team members are negligibly or not at all supportive of teammates throughout the process.
Course Completion	Above Proficient Team successfully paddles boat the entire length of the pool.	Proficient Team successfully paddles boat half the length of the pool.	Developing Team successfully paddles boat a quarter of the length of the pool.	Beginning No boat or boat sinks at starting line

Keywords:

buoyancy, displacement, construction

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Project

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