By Mr. Reece.  Objects that can make their own light are ________________. luminous.

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Presentation transcript:

by Mr. Reece

 Objects that can make their own light are ________________. luminous

 Objects that cannot make their own light are ________________. nonluminous

 Light travels in straight lines called ________________. rays

 A _____________ is formed when an opaque object blocks light. shadow

 An object that is______________ allows some but not all light to pass through it. translucent

 ________________ objects allow all the light to pass through. Transparent

 The colors we see are the colors that are ____________ by the objects. reflected

 The bending of light as it passes from one substance to another is called______________ refraction

 The bouncing of light off an object is called______________ reflection

 A transparent material used bend light is a __________ lens

 A _________________ bends light outward and is used to correct nearsightedness. concave lens

 A _________________ bends light inward and is used to correct farsightedness. convex lens

 A _________________ bends light inward and is used to correct farsightedness. convex lens

 A shadow is shorter in the morning than it is at noon. False

 All the colors that make up light are called the visible vortex. False

 Light and heat are related to each other. True

 White light is made of many colors. True

 ___ 1. the opening in the iris that allows light to enter the inside of the eye.  ___ 2. the part of the eye that refracts light to focus it  ___ 3. the transparent, curved covering in the front of the eye A. lens B. retina C. pupil D. cornea E. optic nerve C A D

 ___ 1. the back part of the eye where the image forms  ___ 2. the part of the eye that sends messages to the brain A. lens B. retina C. pupil D. cornea E. optic nerve B E

The order that light enters the eye… 1. Cornea 2. Pupil 3. Lens 4. Retina