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Light and Sound

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  • What kind of object allows some light to pass through it and allows you to see a blurry or not so clear view of what is on the other side of it?
    Translucent
  • What type of lens curves inward and causes light to spread out?
    Concave
  • Reflection occurs when...
    light strikes a surface and bounces off.
  • Which object is Opaque?
    stained glass window
    brick
    waxed paper
    glass
  • a lens that is thicker at the edges than in the middle
    refracction
    convex
    concave
    reflexion
  • What is a measure of how high or how low a sound is?
    refraction
    pitch
    decibel
    volume
  • Do sound waves closer together have a higher or lower pitch?
    equal pitches
    no change in pitch
    Higher
    lower
  • What kind of object does not allow any light to pass through it so that you cannot see through it?
    Opaque
  • The bouncing of light off of a smooth surface
    absorption
    reflection
    refraction
    transmitted
  • Which object is opaque?
    water
    air
    glass
    metal
  • What kind of object allows all light to pass through it, and you can see through it?
    Transparent
  • A __________________ object is something you can see through clearly
    translucent
    transparent
    opaque
    cloudy
  • When you hold up a prism to a light source, what happens to the light when it passes through and leaves out the other side of the prism?
    It bends after it enters the prism and separates into the colors that make up white light.
  • When a flashlight is aimed at a mirror or other smooth and shiny object, what happens to the light after if first hits the mirror?
    It bounces off at the same angle that it hit the mirror.
  • Sound waves travel through...
    solids, liquids, and gasses.
  • A change in the direction of light
    refraction
    concave lenses
    reflection
    prism
  • If you filled a glass with water and struck it with a metal spoon, how could you change the pitch?
    If you add more water, the higher the pitch will be. If you take out water, the lower the pitch will be.
  • What type of lens is oval shaped, thicker in the middle, and can help magnify?
    convex
  • a 3D triangular object made of clear glass or plastic that refracts light
    mirror
    concave
    convex
    prism
  • What is it called when a sound bounces off of an object and you can hear it over and over?
    An echo.
  • To quickly move back and forth
    refract
    reflect
    vibrate
    sound
  • On a hot summer day, a black shirt gets hot because light is _____________
    refracted
    reflected
    absorbed
    attraction
  • A guitar string makes a higher pitched sound when you tighten the string. Why?
    Tightening the string makes it vibrate slower
    Tightening the string makes it vibrate faster.
    Tightening the string makes the volume louder
    Tightening the string makes the string longer
  • Do shorter sound waves, or waves with a lower amplitude, have a higher or lower volume?
    higher
    Lower
    no change in volume
    no volume
  • A lens that is thicker in the middle than at the edges
    absorption
    concave
    mirror
    convex
  • a type of energy that you can hear
    absorption
    sound energy
    light energy
    heat energy
  • Refraction occurs when...
    light bends.
  • What solid and transparent object separates white light into different colors?
    A prism.
  • What makes a sound?
    light getting absorbed and reflected
    convex lens
    Vibrations in the air.
    concave lens
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