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Test

Phsyics - Unit 1

Georgia Goodall 9 preguntas

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Preguntas del test (9)

  1. 1What is conduction?
    1. ATransfer of heat energy through atoms in a solid.
    2. BTransfer of heat energy through electrons.
    3. CTransfer of heat energy through atoms in a liquid.
  2. 2What is convection?
    1. ATransfer of heat energy through atoms in solids.
    2. BTransfer of heat energy through atoms in gases or liquids.
    3. CTransfer of heat energy through atoms in gases.
  3. 3What is infrared radiation?
    1. ATransfer of light energy, emitted and absorbed by all objects.
    2. BTransfer of heat energy, emitted and absorbed by all objects.
    3. CTransfer of heat energy, emitted and absorbed by some objects.
    4. DLight energy waves
  4. 4How does the temperature of an object effect the rate of heat energy transferred to the surroundings.
    1. AThe greater the difference between the surroundings and the object the slower the transfer of heat energy.
    2. BThe smaller the difference between the surroundings and the object the faster the transfer of heat energy.
    3. CThe greater the difference between the surroundings and the object the faster the transfer of heat energy.
  5. 5Which type of material absorbs the most heat energy?
    1. AMatt, dark
    2. Bshiny, dark
    3. Cshiny, light
    4. Dmatt,light
  6. 6Shiny, light materials emit the most infrared radiation.
    1. AVerdadero
    2. BFalso
  7. 7Select the characteristics of a solid.
    1. Astrong bonds/attraction between particles
    2. Birregular structure
    3. Chigh energy
    4. Dfixed arrangement
    5. Esmall amount of energy, particle can only vibrate
  8. 8A hot [blank_start]radiator[blank_end] emits heat or [blank_start]infrared radiation[blank_end], which heats the air around it. As the air is heated it becomes [blank_start]less dense[blank_end] and rises. The warm air [blank_start]displaces[blank_end] the cold air which I higher up in the space/room. The cool air [blank_start]falls[blank_end] because of its greater [blank_start]density[blank_end] and flows into the [blank_start]gap[blank_end] left by the warm air. This cold air is then [blank_start]heated[blank_end] by the heat source (radiator). This cycle is called a [blank_start]convection current[blank_end].
    1. Aradiator
    2. Bless dense
    3. Cdisplaces
    4. Dfalls
    5. Edensity
    6. Fgap
    7. Gheated
    8. Hinfrared radiation
    9. Iconvection current
  9. 9There is almost no force attraction between gas atoms.
    1. AVerdadero
    2. BFalso

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Descripción
Test sobre Phsyics - Unit 1, creado por Georgia Goodall el 07/02/2016.
Idioma
English
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