Lab Report : Identify the Unknown Substance

Lab Report : Identify the Unknown Substance
7th Grade Science Lab
Student Name: ______
CATEGORY / 4 / 3 / 2 / 1
Problem / 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 questions and the test predicted results is clear and viable based on what has been studied. / Hypothesized relationship between the questions and test predicted results is reasonable based on general knowledge and observations. / Hypothesized relationship between the questions and the test results has been stated, but appears to be based on flawed logic. / No hypothesis has been stated.
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.
Unknown Identification / Unknown identified and supported by data collected / Unknown identified but not supported clearly by data / Unknown incorrectly identified but data supports their assumption. / Unknown not identified and lacking data

Criterion B: Communication in Science

Achievement Level / Descriptor
0 / The student does not reach a standard described by any of the descriptors given below.
1-2 / The student attempts to communicate scientific information using some scientific language. The student presents some of the information appropriately using visual representation and presentation accurately according to the task. The student attempts to acknowledge sources of information but this is inaccurate.
3-4 / The student communicates scientific information using scientific language. The student presents most of the information appropriately using visual representation and presentation accurately according to the task. The student acknowledges sources of information with occasional errors.
5-6 / The student communicates scientific information effectively using scientific language correctly. The student presents all the information appropriately using visual representation and presentation accurately according to the task. The student acknowledges sources of information appropriately.