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iRubric: Art I: Shaded Sphere Value Study rubric

iRubric: Art I: Shaded Sphere Value Study rubric

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Art I: Shaded Sphere Value Study 
Art I: Shaded Sphere Value Study
The student will create a three-dimensional sphere from two dimensional form by integrating shaded values.
Rubric Code: BX8W4AB
By shjones
Ready to use
Public Rubric
Subject: Arts and Design  
Type: Assignment  
Grade Levels: 6-8

Powered by iRubric Sphere Shaded Value
  Mastery

10 pts

Developing

9 pts

Emerging

8 pts

Needs Improvement

7 pts

3-D Form

Mastery

Pencil strokes follow sphere with shading in a curved manner consistent with the spherical shape. Shape appears three-dimensional.
Developing

Shading is somewhat curved like the sphere. Shape appears somewhat flat in areas.
Emerging

Shading is almost straight and not curved like the sphere itself. Form appears flat.
Needs Improvement

Shading is difficult to determine shape of form. Form appears flat.
Light source

Mastery

Established light source with noticeable highlight. Shadow is congruent with light source for a realistic interpretation. Shadow is correct size.
Developing

Established light source with noticeable highlight. Shadow is somewhat congruent with light source. Shadow is almost correct size.
Emerging

Established light source, via lighter area. Shadow is not in line with light source and goes off in different direction. Shadow is not correct size.
Needs Improvement

Unsure of light source, not enough highlight.
Light source doesn't help with illusion of 3-D. Shadow is clearly not in line with light source or not visable, not correct size.
Value

Mastery

Blending appears smooth with proper gradations of value. Can see at least 4 values. Cast shadow is darkest value.
Developing

Blending needs some improvement, with some choppy gradations in value. Cast shadow is not the darkest value.
Emerging

Blending needs a great deal of improvement , shapes appear grainy and there is choppy gradations Grooves are etched into the paper. Shaded with less than 4 values. Cast shadow is not the darkest value.
Needs Improvement

No blending or muddy/messy blending. Blending is not repairable. Grooves are etched into the paper. Shaded with less then 4 values.
Craftsmanship

Mastery

Sphere is crisp and clean with no outside pencil strokes. Drawing appearance is very neat. No other marks are on paper except for sphere/shadow.
Developing

Drawing appearance is somewhat neat with a few smudges. No other marks are on paper except for sphere/shadow.
Emerging

Drawing is somewhat messy with some shading appearing outside of sphere/shadow. Some smudging but no other marks on paper.
Needs Improvement

Drawing appears messy. Shading appears outside of sphere/shadow. There are additional lines and smudges on paper that should have been erased.
Participation/Use of Class Time

Mastery

You were fully engaged in your art work without involving yourself in overly distracting activities.
Developing

You were engaged in work most of the time, but allowed some overly distracting activities such as conversations or not concentrating on your work to occur.
Emerging

You stayed on task some of the time but allowed distraction from conversations or not concentrating on your work to consume your time. Somewhat disruptive to other students' work.
Needs Improvement

You did not use your time wisely and demonstrated much of your art time involved in conversations or not concentrating on your work. Disruptive to other students' work.



Keywords:
  • Shading values, two dimensional, three dimensional, sphere


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