1. Sources of Light.

2. Well done. Fire is a source of light.

3. Oops!! A window lets light in but is not a source of light!

4. Well done. A light bulb is a source of light.

5. Oops!! A mirror reflects light but is not a source of light!

6. Oops!! A pen is not a source of light!

7. Oops!! The moon reflects light like a big mirror but is not a source of light!

8. Well done. The sun is a source of light.

9. Well done. Lightning is a source of light.

10. Well done. A candle is a source of light.

11. Oops!! Cutlery is shiny but is not a source of light!

12. Oops!! A glass is not a source of light!

13. Oops!! A chair is not a source of light!

14. Oops!! A hoover is not a source of light!

15. Well done. Tree lights are a source of light.