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CATEGORY

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Question/Purpose

The purpose of the lab or the question to be answered during the lab is clearly identified and stated.

The purpose of the lab or the question to be answered during the lab is identified, but is stated in a somewhat unclear manner.

The purpose of the lab or the question to be answered during the lab is partially identified, and is stated in a somewhat unclear manner.

The purpose of the lab or the question to be answered during the lab is erroneous or irrelevant.

Experimental Hypothesis

Hypothesized relationship between the variables and the predicted results is clear and reasonable based on what has been studied.

Hypothesized relationship between the variables and the predicted results is reasonable based on general knowledge and observations.

Hypothesized relationship between the variables and the predicted results has been stated, but appears to be based on flawed logic.

No hypothesis has been stated.

Materials

All materials and setup used in the experiment are clearly and accurately described.

Almost all materials and the setupu used in the experiment are clearly and accurately described.

Most of the materials and the setup used in the experiment are accurately described.

Many materials are described inaccurately OR are not described at all.

Experimental Design

Experimental design is a well-constructed test of the stated hypothesis.

Experimental design is adequate to test the hypothesis, but leaves some unanswered questions.

Experimental design is relevant to the hypothesis, but is not a complete test.

Experimental design is not relevant to the hypothesis.

Variables

All variables are clearly described with all relevant details.

All variables are clearly described with most relevant details.

Most variables are clearly described with most relevant details.

Variables are not described OR the majority lack sufficient detail.

Data

Professional looking and accurate representation of the data in tables and/or graphs. Graphs and tables are labeled and titled.

Accurate representation of the data in tables and/or graphs. Graphs and tables are labeled and titled.

Accurate representation of the data in written form, but no graphs or tables are presented.

Data are not shown OR are inaccurate.

Conclusion

Conclusion includes whether the findings supported the hypothesis, possible sources of error, and what was learned from the experiment.

Conclusion includes whether the findings supported the hypothesis and what was learned from the experiment.

Conclusion includes what was learned from the experiment.

No conclusion was included in the report OR shows little effort and reflection.

Spelling, Punctuation and Grammar

One or fewer errors in spelling, punctuation and grammar in the report.

Two or three errors in spelling, punctuation and grammar in the report.

Four errors in spelling, punctuation and grammar in the report.

More than 4 errors in spelling, punctuation and grammar in the report.