Shadows

When something gets in the way of a shining light, a shadow is formed. Light travels in a straight line. When it strikes an object it can not pass through, a shadow is produced. If the light source is weak, like sunlight on an overcast day, shadows are indistinct. In the shade there are no shadows. Shade is just the shadow of something already blocking out the light. As we move closer to the light, our shadow gets bigger. And as we move farther away from the light, our shadow gets smaller. Light from and electric lamp spreads outwards. As a person or and object moves closer to the light source, and farther from the surface on which the shadow appears, the shadow becomes larger. If we stand directly under a light our shadow will be smaller because our body presents a smaller obstacle. As we move away a large portion of our body blocks the light, and shadow that it casts will become bigger and bigger.