CATEGORY

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Title of Ray Diagram

Title is informative, centered, and larger than other text.

Title is informative and larger than other text.

Title is informative and centered.

The title is incomplete and does not clearly indicate which ray diagram is drawn.

Drawing - details (Shape of concave mirror, Direction of incident and reflected rays, Position of object and image, Size of object and image)

All assigned details have been added. The details are clear and easy to identify.

Almost all assigned details (at least 85%) have been added. The details are clear and easy to identify.

Almost all assigned details (at least 85%) have been added. A few details are difficult to identify.

Fewer than 85% of the assigned details are present OR most details are difficult to identify.

Labels (Naming all the terms related to concave mirror, object and image)

Every item that needs to be identified has a label. It is clear which label goes with which part of ray diagram.

Almost all items (90%) that need to be identified have labels. It is clear which label goes with which part of ray diagram.

Most items (75-89%) that need to be identified have labels. It is clear which label goes with which part of ray diagram.

Less than 75% of the items that need to be identified have labels OR it is not clear which label goes with with item.

Accuracy

95% or more of the assigned structures are drawn accurately and are recognizable. All assigned parts are labeled accurately.

94-85% of the assigned structures are drawn accurately and are recognizable. All assigned parts are labeled accurately.

94-85% of the assigned structures are drawn accurately and are recognizable. 94-85% of the assigned parts are labeled accurately.

Less than 85% of the assigned parts are drawn AND/OR labeled accurately.

Knowledge Gained

When asked about 10 items in an unlabeled drawing of the same ray diagram, the student can identify all of them accurately.

When asked about 10 items in an unlabeled drawing of the same ray diagram, the student can identify 8-9 of them accurately.

When asked about 10 items in an unlabeled drawing of the same ray diagram, the student can identify 6-7 of them accurately.

When asked about 10 items in an unlabeled drawing of the same ray diagram, the student can identify 5 or less of them accurately.