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iRubric: Constructing Explanations and Designing Solutions G 6-8 rubric

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Constructing Explanations and Designing Solutions G 6-8 Constructing Explanations and Designing Solutions G 6-8 Constructing explanations and designing solutions in 6– 8 builds on K–5 experiences and progresses to include constructing explanations and designing solutions supported by multiple sources of evidence consistent with scientific ideas, principles, and theories. Rubric Code: SX3CW3A By DonnaAES Ready to use Public Rubric Subject: Science Type: Assessment Grade Levels: 6-8

Explanations and Solutions
	Poor 1 pts	Fair 2 pts	Good 3 pts
Use of Information	Poor Use information from observations (firsthand and from media) to construct an evidence-based account for natural phenomena.	Fair Construct an explanation of observed relationships (e.g., the distribution of plants in the back yard).	Good Construct an explanation that includes qualitative or quantitative relationships between variables that predict(s) and/or describe(s) phenomena. ? Construct an explanation using models or representations
Designing Tools/Devices	Poor Use tools and/or materials to design and/or build a device that solves a specific problem or a solution to a specific problem. ? Generate and/or compare multiple solutions to a problem.	Fair Apply scientific ideas to solve design problems. ? Generate and compare multiple solutions to a problem based on how well they meet the criteria and constraints of the design solution.	Good Apply scientific ideas or principles to design, construct, and/or test a design of an object, tool, process or system. ? Undertake a design project, engaging in the design cycle, to construct and/or implement a solution that meets specific design criteria and constraints. ? Optimize performance of a design by prioritizing criteria, making tradeoffs, testing, revising, and re-testing.
Using Evidence	Poor Use evidence to construct or support an explanation or design a solution to a problem.	Fair Use evidence (e.g., measurements, observations, patterns) to construct or support an explanation or design a solution to a problem. ? Identify the evidence that supports particular points in an explanation.	Good Construct an explanation that includes qualitative or quantitative relationships between variables that predict(s) and/or describe(s) phenomena. ? Construct an explanation using models or representations ? Apply scientific reasoning to show why the data or evidence is adequate for the explanation or conclusion.