Sources of Light.
Well done. Fire is a source of light.
Oops!! A window lets light in but is not a source of light!
Well done. A light bulb is a source of light.
Oops!! A mirror reflects light but is not a source of light!
Oops!! A pen is not a source of light!
Oops!! The moon reflects light like a big mirror but is not a source of light!
Well done. The sun is a source of light.
Well done. Lightning is a source of light.
Well done. A candle is a source of light.
Oops!! Cutlery is shiny but is not a source of light!
Oops!! A glass is not a source of light!
Oops!! A chair is not a source of light!
Oops!! A hoover is not a source of light!
Well done. Tree lights are a source of light.