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Heat 'n Light

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  • TRUE or FALSE: Light is a form of mechanical wave and is responsible for the sense of touch.
    FALSE
  • _____ an example of a natural source of light.
    Sun
  • Heat flows from objects with _____ _____ to objects with _____ _____.
    Higher Temperature, Lower Temperature
  • As the wavelength decreases the frequency...?
    Increases
  • Three kinds of Heat Transfer
    Conduction, Convection and Radiation
  • ROYGBIV is the basic component of?
    White Light
  • Visible Light is subdivided into 7 colors. What are those colors?
    RED, ORANGE, YELLOW, GREEN, BLUE and VIOLET
  • UV radiation, X-rays or gamma rays are frequencies ____ than visible light.
    Higher
  • The distance from the line of origin to a crest or trough of a wave.
    Amplitude
  • Defined as flow of energy from a warm body to a cooler body.
    Heat
  • Among the colors of light, which color of light carries the highest energy?
    Violet
  • In Radiation, the energy transferred is called?
    Radiant Energy
  • Measure of the degree of hotness and coldness of an object.
    Temperature
  • TRUE or FALSE: Conduction is the transfer of heat from molecule to molecule
    TRUE
  • At night time, cool air from the land flows toward the sea to replace the rising warm air, called?
    Land Breeze
  • The highest point of the wave above the line of origin
    Crest
  • When near a lamp/light bulb, the intensity of light is?
    Greater/Brighter
  • During daytime, cool air from the sea flows toward the land to replace the rising warm air, called?
    Sea Breeze
  • Radio waves up to Gamma rays are collectively known as?
    Electromagnetic Waves
  • What is the speed of light?
    3x10^8 m/s
  • A _____ is an object to show that light consists of different colors.
    Prism
  • The most common instrument used to measure temperature.
    Thermometer
  • The temperature of an object can be expressed in ___, ___, and ___.
    Celsius, Fahrenheit, Kelvin
  • Materials through which heat energy is transferred are called?
    Conductors
  • TRUE or FALSE: Intensity depends on the amount of energy a source emits.
    TRUE
  • Infrared, microwaves and radio waves are frequencies lower than ____.
    Visible light
  • The lowest point of the wave below the line of origin.
    Trough
  • The movement of liquid or gases from a colder region to a warmer region produce current called
    Convection
  • This is the the distance between two consecutive crests.
    Wavelength
  • Materials that do not allow heat to pass through are _____ or _____.
    Nonconductors, Insulators
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