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      Lesson details

      Learning outcome

      I can use unconventional materials to explore mass, shape, volume and depth

      Key learning points

      1. Mass, shape, volume and depth are used to draw the viewer’s attention to certain areas, enhancing the composition.
      2. Depth can help to establish the relationship between different elements, making the composition more dynamic.
      3. Variations in volume and depth can create visual intrigue, making a piece more engaging to look at.

      Keywords

      • Mass - the sense of weight or heaviness of an object or element, making it feel solid and substantial

      • Shape - a 2D area with a defined boundary, such as a circle

      • Volume - the amount of space an object occupies, giving it a three-dimensional, chunky, or filled appearance

      • Depth - the perception of space within an artwork, making things look far away or close up

      • Spatial relationship - the position of objects, relative to each other in a scene, to create depth and balance

      Common misconception

      In 3D or sculptural work, mass is just about how much it weighs and its physical presence.

      Mass can be symbolic due to the materials used. Materials can carry more or less visual weight.

      Teacher tip

      Select a set of unconventional materials suitable for your group that challenge pupils to think about creating mass, depth, shape and volume in your specialism.

      Equipment

      Choose materials suitable for the theme, project or specialism that create textures and visual weight.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which of these is an element of art?

      Correct answer: colour
      perspective
      mass

      Q2.
      What is the difference between 2D and 3D art?

      Correct answer: 2D has only height and width; 3D has height, width, and depth
      2D is colourful; 3D is black and white
      2D uses pencils; 3D uses clay

      Q3.
      Match the art tool to its main use:

      Correct Answer:Paintbrush,Applying paint to a surface
      Correct Answer:Camera,Capturing images
      Correct Answer:Clay modelling tool,Shaping and smoothing sculpture surfaces

      Q4.
      Which of these is an example of using light and shadow in art?

      Drawing only outlines with no tonal changes
      Painting everything in the same flat colour
      Correct answer: Shading one side of a sphere to make it look round

      Q5.
      Which of these best describes a composition in art?

      Correct answer: The arrangement of visual elements within a work
      The type of paint used
      The frame around a painting

      Q6.
      Why might an artist use perspective?

      Correct answer: To create the illusion of depth and distance
      To make colours brighter
      To make a sculpture heavier

      To help you plan your 10 art and design lesson on: Mass, shape, volume and depth, download all teaching resources for free and adapt to suit your pupils' needs...