(T or F) Light travels in straight lines
True
(T or F) Opaque objects allow light to travel through them
False, opaque objects do not allow light to travel through them
How is a shadow formed?
When light is shone on an opaque object, a shadow is formed behind it, where the light cannot reach.
In what case do shadows become longer and wider?
When the light source is shone closer to the object.
In what case do shadows become shorter and thinner?
When the light source is shone further away from the object.