Light - A form of energy that travels in a straight line. , Light source - An object that makes light. , Dark - The absence of light. , Reflection - When light hits the surface of an object and bounces back into our eyes. , Reflect - To bounce off. , Reflective - Something that reflects light well. , Ray - Waves of light are called light waves. , Pupil  - The black part of the eye that lets light in. , Shadow - An area of darkness where the light has been blocked. , Opaque - An object that doesn't let light pass through. , Translucent - An object that let some light through. It scatters the light. , Transparent - An object that lets a lot of light travel through. You can see through it. ,

Light and Dark

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