7. When the distance between an object and its light source decreases, the size of the shadow increases.
8. When the distance between an object and the light increases, the size of the shadow decreases.
position of the light source.
10. Light can be reflected.
i. When light dwells on objects, the objects will reflect lights to our eyes and as a result we can see the objects.
ii. Ray Diagram of reflection of light.
iii. Examples of uses of reflection of light in everyday life.
1. Light helps us to see things.
2. Sun is the main source of light.
3. Light travels in a straight line.
Can see the light
Cannot see the light
4. The formation of shadow is due to the disability of an object to let all light pass through it.
5. Object that do not let all light pass through are called opaque object. Example: pencil, basketball.
6. Object that allow a part of light to pass through are called translucent objects. Example: translucent glass.