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Understanding Light: Luminous and Nonluminous Objects, Refraction, and Eye Anatomy

This chapter covers fundamental concepts of light, including the distinction between luminous (objects that produce their own light) and nonluminous (objects that do not produce their own light) items. Key definitions such as rays of light, shadows, translucency, and transparency are discussed. The chapter explains how light interacts with different materials through reflection and refraction. Additionally, it provides insights into the anatomy of the eye, detailing components like the cornea, pupil, lens, and retina. Readers will learn about how these structures work together to process light.

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Understanding Light: Luminous and Nonluminous Objects, Refraction, and Eye Anatomy

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  1. Chapter 6 Review by Mr. Reece

  2. Fill in the blank… • Objects that can make their own light are ________________. luminous

  3. Fill in the blank… • Objects that cannot make their own light are ________________. nonluminous

  4. Fill in the blank… • Light travels in straight lines called ________________. rays

  5. Fill in the blank… • A _____________ is formed when an opaque object blocks light. shadow

  6. Fill in the blank… • An object that is______________ allows some but not all light to pass through it. translucent

  7. Fill in the blank… • ________________ objects allow all the light to pass through. Transparent

  8. Fill in the blank… • The colors we see are the colors that are ____________ by the objects. reflected

  9. Fill in the blank… • The bending of light as it passes from one substance to another is called______________ refraction

  10. Fill in the blank… • The bouncing of light off an object is called______________ reflection

  11. Fill in the blank… • A transparent material used bend light is a __________ lens

  12. Fill in the blank… • A _________________ bends light outward and is used to correct nearsightedness. concave lens

  13. Fill in the blank… • A _________________ bends light inward and is used to correct farsightedness. convex lens

  14. Fill in the blank… • A _________________ bends light inward and is used to correct farsightedness. convex lens

  15. True or False • A shadow is shorter in the morning than it is at noon. False

  16. True or False • All the colors that make up light are called the visible vortex. False

  17. True or False • Light and heat are related to each other. True

  18. True or False • White light is made of many colors. True

  19. The Eye C A D lens retina pupil cornea optic nerve ___ 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

  20. The Eye B E lens retina pupil cornea optic nerve ___ 1. the back part of the eye where the image forms ___ 2. the part of the eye that sends messages to the brain

  21. Light and the Eye The order that light enters the eye… • Cornea • Pupil • Lens • Retina

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