Light+Review+A

Copy the items below in under 15 minutes, **__then__** find the answers. Use pages 52 and 53 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 A__

1. A ...... is a disturbance that transfers energy from one place to another. 39 2. ...... is how far a wave goes above or below a mediums resting position. 40 3. One ...... is the distance between two corresponding parts of the wave. 41 4. ...... is the number of waves that pass by in a unit of time. 5. ...... waves have both electrical and magnetic properties. 42 6. The Electromagnetic ...... is the complete range of electromagnetic waves placed in order of increasing frequency. 43 7. ...... are electromagnetic waves with the longest wavelengths and lowest frequencies. 8. Light passes right on through ...... objects. 9. Light is blocked by ...... objects. 47 10. ...... occurs when light bounces off an object. 11. The ...... states that the angle of reflection is equal to the angle of incidence. 53 12. Light will travel in a ...... until it strikes a different substance. 57 13. ...... occurs when light rays bend due to a change in speed. 14. A ...... separates light into the colors of the spectrum by refraction. 58 15. A ...... is a curved piece of transparent material that bends rays of light passing through it. (Word Bank: amplitude, electromagnetic, frequency, lens, opaque, prism, reflection, refraction, spectrum, transparent, wave, wavelength, law of reflection, radio waves, straight-line)