Chapter 16.6 (Mathematics 5)

Sphere

Identifying spheres in the environment

Group Activity 6

In groups of five:

  1. Discuss the shape of a ball or a round object.
  2. Compare a sphere with:
    1. a pyramid.
    2. a cylinder.
    3. a cube.
    4. a cuboid.
      ​What do you notice?
  3. Compare the shape of a ball with that of an orange. Which surface is evenly round?
  4. Discuss and share your results with other groups.

Note

  1. A ball has the shape of a sphere.
  2. A sphere is an object with an all round surface. 

Exercise F

  1. A sphere has no
    .
  2. A sphere has a  surface.