1. Figure 4.1 The brain
Source: Illustration after Leslie Laurien

2. Figure 4.4 Piaget’s model of cognition
Source: Adapted from Davenport, 1994: 132

3. Table 4.1 Piaget’s stages of cognitive development and scientific understanding
Source: Adapted from Johnston, 2005: 62–3

4. Table 4.1 Piaget’s stages of cognitive development and scientific understanding (Continued)
Source: Adapted from Johnston, 2005: 62–3

5. Figure 4.5 Children’s responses to ‘Is it an animal?’
Source: Bell and Freyberg, 1985: 31

6. Figure 4.6 A model for a constructivist teaching sequence
Source: Adapted from Scott, 1987: 9