| |
|
|
| |
|
|
| |
|
|
| |
- Our surrounding is bright due to the light.
|
| |
- Without light, our surrounding will turn dark and make it hard to see.
|
| |
- Activities during light and dark.
|
| |
| Examples of activities during light:- |
- Reading
- Playing sports
- Riding bicycle
|
|
| |
| Examples of activities during dark:- |
- Sleeping
- Stargazing
|
|
| |
|
| |
|
|
| |
 |
| |
| |
- The main source of light for the earth is the sun. Sun emitted light and lit up the earth surfaces.
|
| |
- During night time, human uses other sources of light to lighten up our dark environment to see better.
|
|
| |
|
|
| |
- Shadow is formed when light is blocked by an object.
|
| |
- When the lights are blocked, this will cause a formation of a dark image similar to the shape of the object that blocked the lights.
|
|
| |
Clarity and size of the shadow
|
|
| |
- The clarity of a shadow depends on the opacity of the object that blocks the light.
|
| |
- A transparent object cannot form a shadow.
|
| |
- The size of a shadow depends on the distance between the light source and the object.
|
| |
- The nearer the object to the source of light, the bigger the size of the shadow.
|
| |
 |
| |
|
| |
|
|
| |
- You can try observing the shape of the shadow by creating shapes by using your hands.
|
| |
 |
| |
|
| |
| |