Color and Lighting of Room Science Project Idea

Color and Lighting of Room Science Project Idea

How the color of the wall affects the lighting of a room.We can best understand the relation of the color of the wall to the lighting of the room by performing a simple experiment.

Color and Lighting Science Experiment

Obtain or make a pasteboard cylindrical box from four to six inches in diameter and a foot or more in depth.Paste a picture or some printed matter in the bottom.Loosely roll a piece of white paper, slip it into the box as a lining, and look at the picture or printed matter.Remove the white paper and insert a roll of colored paper.Do this successively with wall paper of various colors.What is the effect upon the illumination of the interior of the box?

Make a list of the wall papers in the order of their value for use in rooms that are likely to be dark.Make a list of wall papers in order of their value for use in rooms that are likely to be too light.Compare dirty with clean wall paper and glazed with unglazed paper with respect to their relation to illumination.

You have seen that the color of the walls makes a great difference in the lighting of a room.Dark colored walls absorb more light, and hence reflect less than light colored walls.Pure white walls reflect about 80 per cent of the light that strikes them; while dark green, maroon, chocolate brown, or dark blue walls do not reflect more than about 5 per cent of the light striking them.Smooth walls reflect more light than those which are rough.Dirt upon the walls reduces their power of reflection.

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