iRubric: Shaded Sphere and 3D Shapes Value Study rubric

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

Shape appears somewhat three-dimensional

Shape is 3D in some areas but not in all.

Shape does not appear 3D.

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

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

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.

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

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

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.

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.

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.