Watch the video to learn more about light.
Key concepts of Light :
3 main properties of light:
Light travels in straight lines.
Light can be reflected off some objects.
Light can be blocked. A shadow is formed when light is completely or partially blocked by an object.
3 ways to increase the size of a shadow when an object is placed in between the light source and a screen:
Move the light source nearer to the object.
Move the object nearer to the light source.
Move the screen further away from the object.
Different degree of transparency:
Transparent objects allow all or most light to pass through.
Translucent objects only allow some light to pass through.
Opaque objects do not allow light to pass through.
Take this quiz to recap what you have learnt. Aim to reach the moon!