Matte Sphere Exercise

This is the first in a series of exercises designed for my elementary and middle school students. The activity helps students develop foundational shading skills through the study of a simple sphere form.

Students are guided to:

  1. Identify the light source
    Determine the direction of light and understand how it affects shading on a sphere.

  2. Apply a full value range
    Use light, mid, and dark values to create depth and dimension.

  3. Create smooth value transitions
    Blend shading gradually to represent the curved surface of a matte sphere.

  4. Accurately place key shading areas
    Identify and apply highlights, mid-tones, core shadows, reflected light, and cast shadows.

  5. Create the illusion of realistic form
    Use shading techniques to transform a flat circle into a convincing three-dimensional sphere.

Class of 2025-26 Grade 7

Most of the students in this class had limited prior experience using coloured pencils. In addition to adapting to the slow, deliberate nature of the medium, they were also working within a single one-hour class period to complete the exercise. Throughout the lesson, students engaged in blending colours, creating smooth gradients, and closely following demonstrations shown on a large screen.

They demonstrated patience, perseverance, and a willingness to work through moments of discomfort and self-doubt. I am deeply proud of their effort and focus throughout the process.

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The Strawberry Poison Dart Frog Project

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The Metallic Sphere Exercise