Why do shadows form?
Why does light change directions when it hits a mirror?
Why can't you see sun rays in the atmosphere?
Why does a sun ray turn into a rainbow when going through a prism?
Why do mirages happen?
Why does an object's appearance (color) change when in different color light?
How do a bunch of tiny colored lights in a television make up just one color?
Why in water, does it look like a straw is bent but it really isn't?
What happens to a piece of charcoal as it burns?
How do airbags inflate?
Why does a propane stove need a spark in order for the propane to ignite?
How does a refrigerator, keep food fresh?
Why do some foods need to be refrigerated and some don't?
What is …show more content…
Farrant
Published in 1997 Published in Blandford, UK
Primary Question
Why does colored paper fade when in sunlight for long periods of time?
How does an object's appearance change when the object is subject to different sources of light?
Ultraviolet rays can break down the chemical bonds and the results is, the fading colors in objects.
It is a bleaching effect.
Some objects might be more prone to fading such as watercolors.
Other objects reflect the light more therefore, they are less prone to fading.
When the dyes of the paper absorb light, it takes color