User talk:Laila gonzalez2003

Light:
Light travels in straight lines.

It is split into seven colors when it passes through a prism.

These colours are:

Red-Orange-Yellow-Green-Blue-Indigo-Violet

Light reflects when it falls over plane surfaces.

Light refracts when it passes from one transparent surface to another.

How do we see?

In the past:

People thought that eyes gave light.

Hassan Ibn Elhitam proved that this statement was false because if it was true we would be able to see in dark.

In the present:

We know that light falls on objects and reflects on our eyes causing vision.