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Light, Heat and Sound Energy

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  • It occurs when an object does not reflect or transmit the light.
    absorption
  • Where does all heat and light energy come from?
    Sun
  • What does OPAQUE mean?
    Light cannot pass through
  • Sound energy travel fastest in _______.
    solid
  • Which of the following items does NOT produce heat?
    A mirror
  • It is any materials that completely block light from passing.
    opaque
  • Use a __ if you really have to look at at it or if the sun light outside is very bright.
    sunglasses
  • Thicker in the middle than at the edges.
    convex lens
  • A spoon placed in a glass half filled with water looks broken because of _____
    refraction
  • Translucent object.
    frosted glass
  • ___ cannot travel through a vacuum.
    sound
  • It gives you a blurry view but lets in light.
    translucent
  • What does light do when it goes through another medium such as water?
    it bends
  • One of the properties of light that allows us to see images in mirrors.
    reflection
  • These are materials that allow light to pass through with almost no disturbance.
    transparent
  • It makes objects look larger/bigger.
    convex lens
  • Avoid looking directly at _____.
    sun
  • Thinner in the middle than at the edges.
    concave lens
  • it is a type of energy that makes things warm?
    heat energy
  • ___ means that light bends when it passes from one medium to another.
    refraction
  • What is Earth's main source of light and heat?
    Sun
  • It makes objects look smaller.
    concave
  • It is the degree of highness or lowness of sound.
    pitch
  • What does Transparent mean?
    light can pass through the object
  • The picture best shows
    light
  • It describes what happens to light when it contacts a mirror?
    It reflects the light (reflection)
  • What form of energy moves from a warmer place to a cooler place?
    heat energy