Diagram of a Sphere: Value Study

I can draw a sphere.
I can create the illusion of a 3 dimensional form.
I understand the difference in and outline and a fully shaded object.

Vocabulary: sphere, form, value, highlight, core shadow, shading, cast shadow, gradient

Performance task: Draw a sphere in your sketchbook.  Try to contour your drawing to the shape of a sphere (not side to side, rounded marks).  Try to blend your values as you shade from the core shadow to the highlight.

image source: http://pd.scisdragons.net/msart1/2011/09/22/sketchbook-assignment-5-spheres-composition/diagram of a sphere

Qualitative Rubric: Sketchbook

Sketchbook

Above Standard Student sketchbook is complete, organized and has all required warm-ups, assignments, proposals, homework, etc.  Sketchbook shows extensive evidence of planning extensive independent pursuit of art.
At Standard Student sketchbook is complete, organized and has all required warm-ups, assignments, proposals, homework, etc.  Sketchbook shows extensive evidence of planning and some independent pursuit of art.
Approaching Standard Sketchbook shows great evidence of planning, but is messy, unorganized or missing occasional components. All proposals are present and most of classwork, notes, homework, warm-ups, etc.  There may or may not be some independent pursuit of art.
Below Standard Sketchbook shows limited evidence of planning. Sketchbook is very messy, unorganized or missing components. AND/ORIf ANY proposals are not present AND/OR

Sketchbook is missing a significant amount of classwork, notes, homework, warm-ups, etc.  There may or may not be some independent pursuit of art.

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