Light and Shadows Crossword Puzzle

QUESTIONS LIST:

• pupil : the _ gets bigger in dim light.
• shadows : these are created when a source of light shines on an object but the light is blocked and does not pass through it.
• sun : it is the primary source of light outside.
• moon : _ does not make its own light.
• beams : light travels in straight _ from a light source to the objects we see.
• sources : objects that give out light are called _ of light.
• light : it is a form of energy that comes from a light source.
• darkness : it is the absence of light.
• solid : _ materials can block the light.