Is this shiny glass jar a source of light?
Nope!
Is it a light source?
no
Is this a source of light?
No
Is this window a light source?
No
Is it a light source?
yes
Is it a light source?
yes
Name one source of light in the picture.
The Sun
Is fire a source of light?
Yes, it is.
Is this man a light source?
No!
Is it a light source?
No
Is this book a source of light?
Nope!
How many light sources can you see?
5
Is this candle a source of light?
Yes, it is!
Is it a light source?
yes
Is it a light source?
yes
Can this phone give out light?
Yes, it can.
Does this plastic bottle make light?
No, it doesn't.
Is it a light source?
no
Is it a light source?
yes
Is the sun a source of light?
Yes, it is a light source