What is a Shadow?


Image Credit: Flickr User dvs, via CC

I follow you around in the light, I say good bye to you in the night? Who am I? Shadow! Correct!

How is our shadow formed ? Why does it chase us around? How does that happen?
Take a look around and see if other things have shadows too? You will see that swings, trees, homes, furniture and many more things have  shadows too.

Sometimes objects are able to block light. An object from which no light can pass through is called opaque. An example is our body. Since light cannot pass through it creates a dark area around the object. So this patch where the light can not reach is called a shadow. Opaque objects create clear dark shadows.

Have you ever noticed that your shadow is longest in the early morning and in the late afternoon? At noon, when the sun is overhead there is little or no shadow at all. Long time ago people observed that, and used this principle in making of world’s earliest clock, a sun clock.

Now, how does a shadow move? If the source of the light is moving, the shadow moves because the light rays keep changing their direction in which they fall on the object. If the object moves, then again the shadow moves as it is formed where ever the object blocks light. There you go it is that simple!

Did you know that shadows are also used for making puppets? Yes, they are and such an art is called Shadow Puppetry!

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23 total comments on this postSubmit yours
  1. wow it is so beautiful perfect for my lil sis

  2. Thanks to your website I can find my answer which I was searching for .

  3. this is a really great website for my children.

  4. i like this website because it helps me with my science homework

  5. Thanks!

  6. I like it.

  7. Perfect info.

  8. cool stuff! thanks Kinooze.


  9. it has the correct information .it helped me for my activity

  10. this is really great facts

  11. very useful and very nice
    it helped me to score marks in my

  12. Excellent now I can easily understand the definition of a shadow. Thank you very very much

  13. Wow! This website is perfect for my project!

  14. awesome for my kids

  15. So cool

  16. Brillant for my children’s homework!! Thank you

  17. Awesome shadow information, perfect for our daycare children as an activity starter. Thank-you very much! Sanders Creative Kids

  18. Good info but it would be good if there was more

  19. Wonderful explanation!! Easy to relate to a child

  20. wow this helped me with my test thx

  21. This was amazing for my year 7 prep thanks I’m using this website more often

  22. WOW! that will help me for my assessment

  23. its very presentably explained.

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