Vocabulary Reflection and Mirrors Refraction and Lenses Colors Seeing and Using Light 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt A material that scatters light as it passes through. What is translucent? An image of a distant object caused by refraction of light as it travels through air of varying temperature. What is a mirage? The hole through which light enters the eye. What is the pupil? A condition that causes a person to see distant objects as blurry. What is being nearsighted? Daily Double A device that produces coherent light. What is a laser? 3 things that can happen to light when it strikes an object. What is be reflected, absorbed, or transmitted? What happens when parallel rays of light hit a bumpy surface What is diffuse reflection? A flat mirror What is a plane mirror? A mirror that Daily Double can form either virtual images or real images What is a concave mirror? The type of image formed when rays actually meet at a point; this image will be upside down What is a real image? The measure of how much a ray of light bends when it enters a new medium. What is index of refraction? Order of colors in a rainbow What is ROY G BIV; red, orange, yellow, green, blue, indigo and violet? Lens that is thinner in the center than at the edges What is a concave lens? Color of beam of light when all are mixed together What is white? The type of lens that is thicker in the center than at the edges. What is convex? Reason we see an orange as orange. What is because the color orange is reflected while the rest are absorbed? The color seen when all light is reflected What is white? The color seen when all light is absorbed What is black? Three colors that can be used to make any other color What are the primary colors? Red, green, and blue What are the primary colors of light? The layer of cells lining the inside of the eyeball What is the retina? Light sensitive cells which respond to colors. What are cones? Instrument which uses a combination of lenses to produce Daily Double and magnify an image What a microscope? Long, thin strands of glass or plastic that can carry light for long distances without allowing the light to fade out. What are optical fibers? A three dimensional photograph created by using the light from a laser What is a hologram?