Across
- 1. Another natural source of light, can sometimes be seen in sky
- 3. An artificial source of light,good for romantic dinners
- 4. light travels in a __________________ line
- 7. Objects that do not produce light, but they reflect light into our eyes
- 10. Objects that produce light and are usually sources of light
Down
- 2. light can travel throught these objects
- 5. This non-luminous object rotate round the earth
- 6. It is a good idea to take this source of light with you when you are going camping
- 8. light cannot travel through this type of object
- 9. This is a natural source of light, plants need it for growth.