Science - Light

Card Set Information

Author:
mshowley
ID:
146106
Filename:
Science - Light
Updated:
2012-04-24 07:47:45
Tags:
Light
Folders:

Description:
Light
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user mshowley on FreezingBlue Flashcards. What would you like to do?


  1. What is light?
    Light is a form of energy
  2. What are luminous objects? Give an example
    They make their own light, for example, the sun
  3. What are non luminous objects? Give an example
    They reflect light, for example, the moon
  4. State a property of light
    Light travels in striaght lines

    Light travels faster than sound
  5. Define reflection
    This is light bouncing back off a surface
  6. What is a periscope?
    A periscope has two mirrors at opposite ends of a tube

    It is used to see over things
  7. Give a use for a periscope
    To see over a high wall or crowds

    Used in submarines
  8. What is a shadow?
    This is a dark area behind something where the light cannot reach
  9. What is dispersion?
    This is the splitting of light into the seven colours of the spectrum
  10. List the seven colours of the spectrum
    Red

    Orange

    Yellow

    Green

    Blue

    Indigo

    Violet

    Ring Out Your Great Bells In Victory
  11. Define refraction
    Refraction is the bending of light as it passes from one surface to another
  12. State the function of a lens
    To reflect or bend light
  13. List the two types of lens
    Convex lens

    Concave lens

What would you like to do?

Home > Flashcards > Print Preview