The angle at which light strikes an object or surface determines the size and shape of the shadow1.
Children naturally and instinctively develop their own ideas about how things work. These self-developed concepts make sense to the individual but may be scientifically inaccurate. It is helpful ...
A dark image produced when an object blocks rays of light from reaching a surface.
This survey will open in a new tab and you can fill it out after your visit to the site.