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Sound, Light, & Color REVIEW

Sound, Light, & Color REVIEW. Question 1. Visible light is made of _______ color(s). Seven. Question 2. Transparent materials allow _______ through and emit it . Light. Question 3. Translucent materials are clear, but _______ the light. Scatter. Question 4.

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Sound, Light, & Color REVIEW

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  1. Sound, Light, & Color REVIEW

  2. Question 1 • Visible light is made of _______ color(s). • Seven

  3. Question 2 • Transparent materials allow _______ through and emit it . • Light

  4. Question 3 • Translucent materials are clear, but _______ the light. • Scatter

  5. Question 4 • Opaque materials _______ or _______ all the light that hits it. • Reflect • Absorb

  6. Question 5 • An object has the _______ color of the wavelength it reflects. • Same

  7. Question 6 • Sound waves are _______ waves. • Compressional

  8. Question 7 • The speed of sound changes through _______ materials. • Different

  9. Question 8 • Sound travels _______ through air. • Slower

  10. Question 9 • Sound travels _______ through water. • Faster

  11. Question 10 • Distance = Speed / time • How far will sound travel in iron (5100 m/s) in 3 seconds, if the temperature is 20 degrees C? • 1700 m

  12. Question 11 • Loudness is the human perception of sound wave _______. • Intensity

  13. Question 12 • Define reverberation. • Reverberation is an echo of sound waves off a surface

  14. Question 13 • How do we measure sound intensity? • Decibels

  15. Question 14 • Wavelength = Speed / _______ • Frequency

  16. Question 15 • Define pitch. • Pitch is sound according to frequency. It can be high or low.

  17. Question 16 • What determines the color of light? • Wavelength

  18. Question 17 • Combining red and green create _______. • Yellow

  19. Question 18 • Black ________ all light. White ________ all light. • Absorbs • Reflects

  20. Question 19 • What does not change when the speed of a light wave changes? • Wavelength

  21. Question 20 • How does a prism divide light into color? • By refracting each wavelength from white light.

  22. Question 21 • ________ of a color on an object allows it to be seen. • Reflection

  23. Question 22 • How is white light created? • All light waves are reflected together.

  24. Question 23 • Why does an apple look red? • It reflects the color red.

  25. Question 24 • A prism _______ white light to see the order of the colors. • Refracts

  26. Question 25 • What color absorbs the most light? • Black

  27. Question 26 • Order the colors of light, from highest frequency to lowest frequency. • Red, Orange, Yellow, Green, Blue, Indigo, Violet

  28. Question 27 • Define: sclera, decibel

  29. Question 28 • Lens, Middle Ear, Pupil, Outer Ear, Retina, Iris, Inner Ear, Cornea

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