Exploded diagram

An exploded diagram separates the parts of a subject so that each part can be seen clearly.

Key features

"Exploded" parts: each part separated out from its neighbors as if laid flat on a table.

Labels: to name the separated parts.

Integrated image: shows the subject "put back together" so that we see how the pieces fit.

Example is from Body Maps. Illustration by Ester Kasepuu.

Exploded diagram

An exploded diagram can be used to show and name the parts of a subject, such as an animal skeleton, the human body, machines, or equipment.

Why use exploded diagrams in the classroom?

  • To show details that are otherwise hidden or hard to see in a normal (integrated) diagram. Topics might include how toys are made, how engines work, parts of a flower, etc.
  • To name those parts (as a pictorial vocabulary list).
  • To prepare a report or descriptive text about a topic that has many hidden (or partly hidden) details.
  • To follow instructions to assemble equipment (such as a tent, a model plane, etc.).
  • To follow instructions in order to build or make something from separate pieces (as in a craft activity, carpentry, dressmaking).
  • To illustrate instructions ("How to make a model windmill") or explanations ("How insects pollinate a flower")

Other visual texts to compare with this one:

  • Block diagram (Shows hidden details in 3D as if the subject has been cut and a piece of it lifted away)
  • Cross section (Shows hidden details as if the subject has been cut in half with a knife)
  • Cutaway diagram (Shows hidden details as if part of the surface has been peeled away)
  • Nested diagram (Shows tiny details by enlarging one part of the subject)

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