Rewrite the following table in such a way that column 2 and column 3 matches column 1.

Column 1	Column 2	Column 3
Dispersion	Change in the direction of ray of light due to change in medium.	Blue colour of the sky.
Scattering	Splitting of white light into component colors	Twinkling of stars.
Refraction	Deflection of light by small particles	Spectrum of seven colours.

Answer:

Column 1	Column 2	Column 3
Dispersion	Splitting of white light into component colors	Spectrum of seven colours.
Scattering	Deflection of light by small particles	Blue colour of the sky.
Refraction	Change in the direction of ray of light due to change in medium.	Twinkling of stars.