Light+Review+B

Copy the items below in under 15 minutes, **__then__** find the answers. Use pages 54 and 55 in your science notebook. (Copying at 4 seconds a word will take 12 minutes.) Copy the questions in one column and write the answers in a second column. Use this page to study for the test. Page numbers are given.

__Light Review B__ Copy in under 15 minutes, **__then__** find the answers. (Copying at 4 seconds a word will take 15 minutes.) 1. In the same medium, all electromagnetic waves travel at the same ...... . 42 2. ...... is the bending of light rays due to changes in speed as they pass through different mediums 57 3. When the surface of a lens (or mirror) curves outward it is called... 59 4. A ...... lens brings together the rays of light that pass through it.59 5. The light rays passing through a convex lens are said to ...... . 59 6. When the surface of a lens (or mirror) curves inward it is called... 60 7. A ...... lens spreads out the rays of light that pass through it. 60 8. The light rays passing through a concave lens are said to ...... . 60 9. The ...... of the eye refracts light to form an upside-down image on the retina. 63 10. ...... cells lining the back, inner surface of the eye are light-sensitive ones. 11. Different ...... are seen because separate structures in the eye are affected by light of different wavelengths. 12. ...... is a small part of the electromagnetic spectrum that eyes can detect. 44 13. ...... light is a mixture of different wavelengths and retinal cells react to these colors differently 49&63 14. Eyes, microscopes, cameras, and telescopes all have at least one lens that ...... light. 63-68 15. In a microscope each convex lens bends light to make the object appear ...... . 68 (Word Bank: colors, concave, converge, convex, larger, lens, refraction, refracts, retina, speed, visible, white)