Content :

Light [Gr.9]

 Motion of light [Gr.9]
 Transparent, translucent or opaque materials [Gr.9]

Content Standards :

 demonstrates propagation of light through various media

Performance Standards :

 chooses appropriate materials for a specific function

Learning Competencies :

 demonstrates the straight line motion of light
 realizes that opaque materials cast shadows
 investigates the varying size and shape of shadows due to movement of light source
 classifies materials as transparent, translucent or opaque
 investigates the effect light incident to a material