In any practical classroom curriculum concerning Light the child must be enabled to create images. This is a primary control of light.
The basic skill is to cause a change in a medium either directly through the use of light or by determining how light will respond to the medium.
So colored pencils, crayons and paint control which frequencies will be reflected.
Thermal reactive paper produces shadow images by developing in direct sunlight and infrared light like photographic film.
The basic skill is to cause a change in a medium either directly through the use of light or by determining how light will respond to the medium.
So colored pencils, crayons and paint control which frequencies will be reflected.
Thermal reactive paper produces shadow images by developing in direct sunlight and infrared light like photographic film.