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RL1.
Refraction Action Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes an organized documentation of observations for both parts of the lab (The Broken Pencil and the Marching Soldiers). Observations are accurate.
_____
Conclusion/Discussion answers all three questions of the Purpose; answers are correct. Each answer includes a specific reference to an observation from the Data section as logical and empirical evidence for the statement. Conclusion/Discussion is understandable and well-written.
RL2.
Direction of Bending Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes an outline of a prism with the laser light path traced into, through and out of the prism; arrowheads are included on the diagram. Normal lines are drawn and the relative direction of bending with respect to the normal line is indicated for each of the two boundaries.
_____
Conclusion states the rule(s) for the direction of bending for a slow to fast and for a fast to slow situation; rules are correctly stated.
_____
Discussion of Results relates the evidence of the Data section to the rules of the Conclusion. Specific references are made to the diagrams in the Data section to logically support the direction which light bends when moving from a slow medium to a fast medium. Writing is clear and thorough.
RL3.
Least Time Principle Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes the provided data table; table is complete. Another table with calculated ratios is included; column headings are indicated. The calculated data leads to the development of an appropriate conclusion.
_____
Conclusion states the relationship between the ratio of speeds and the ratio of the angles. An equation is reported. The statement and equation are correct.
RL4.
How Much? Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes an organized table of θair and θwater values; table headings and units are included. A plot of sin (θair) vs. sin(θwater) is sketched; results of the linear regression analysis (slope, y-intercept, R value) and the equation is reported. Equation avoids y's and x's and includes the symbols of the plotted quantities.
_____
Conclusion reports the experimentally derived equation.
_____
Discussion of Results accurately evaluates the reliability of the equation - commenting on the slope value and the regression constant from the linear analysis. The experimentally derived equation is compared to the equation which would be expected based upon textbook readings.
RL5.
The Unknown n Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes outline of at least two prisms. The path of laser light through the prism is shown; arrowheads are included on the light rays. An appropriate entry angle is selected - one which provides significant refraction at both boundaries. Normal lines are drawn at the entry and exit boundary and properly measured angles are indicated on the diagram. Work for the calculation of the index of refraction is clearly shown for each of the two boundaries for each prism; calculations are accurate. An average n value based on both boundaries is calculated. Work is accurate and complete.
_____
Conclusion states the index of refraction value for each of the two materials; stated value is reasonably accurate.
RL6.
R and R Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes observations of how the angle of incidence affects the amount of light which is reflected and the amount of light which is refracted. Observations are organized, accurate, clear and thorough.
_____
Conclusion/Discussion uses complete sentences to intelligently and thoroughly describe the trend of how an increasing angle of incidence effects the amount of light reflected and refracted at a boundary. Clear and explicit reference is made to the Data section in support of the conclusion.
RL7.
A Critical Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes two diagrams (one for each boundary) with an incident ray in the appropriate medium and at the critical angle; corresponding refracted ray is correctly shown. The critical angle is labeled on the diagram.
_____
Conclusion states the critical angles for the two boundaries; values are reasonably accurate.
_____
Discussion of Results includes an error analysis evaluating the reliability of the critical angle values. The theoretical value is calculated (work is shown) and a percent error analysis is included for both boundaries. The work is shown and organized.
RL8.
Exploring Lenses Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes an organized record of observations of orientation and relative size for the two types of lenses and for the two distances (nearby and distant). Observations are clear and accurate.
_____
Conclusion/Discussion describes the relative size and orientation of the images of distant and nearby objects for converging and diverging lenses.
RL9.
The L•O•S•T Art of Image Description Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes an organized table with column headings which documents observations of the location, orientation, size and type of the images for the four general object locations. Observations are accurate and complete.
_____
Conclusion/Discussion describes the location, orientation, size and type of the images for the four general object locations. Writing is thorough and clear. Conclusion is correct.
RL10.
The Lens Equation Lab
Score
_____
Included, labeled and organized all parts of the lab report.
_____ / _____
_____
Data section includes a table of relevant measurements with column headings and units. Data appears accurate. Reciprocal values are calculated and recorded to the proper number of significant digits. Sketched a plot of 1/dimage vs. 1/dobject and included the results of the linear regression analysis. Wrote equation in slope-intercept form; did not include y's and x's in the equation; used symbols of actual quantities.
_____
Conclusion states the experimentally derived equation relating object and image distance.
_____
Discussion of Results provided and error analysis discussing the reliability of the experimentally derived equation. Equation is compared to theoretical expectation. Focal length is determined from the y-intercept; calculation is shown and explained in writing.