| A | B |
|---|
| opaque | an object which DOESN'T allow light to pass through |
| transparent | an object which DOES allow light to pass through |
| light source | something that produces light |
| light reflector | something which light bounces off |
| absorbed | when light energy is converted to another form (usually heat) by an object |
| transmitted | when light passes through an object, e.g a window |
| straight line | light travels this way |
| ray | another name for a line of light |
| energy | light is one kind of ... |
| shadow | a place where no light can reach |
| eclipse | this occurs when the moon gets between the Sun and the Earth |
