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Heat and Temperature

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  • What is this? Is it a natural or an artificial source of heat?
    It´s a stove. It´s an artificial source of heat.
  • Read the thermometer.
    37 degrees Celsius (°C)
  • Liquids become solids when heated.
    False
  • Glass window is...
    Conductor
    Insulator
  • Wooden spoons are...
    Conductors
    Insulators
  • What is this? Is it a natural or an artificial source of heat?
    It´s fire. It´s a natural source of heat.
  • Read the thermometer.
    100 degrees Celsius (°C)
  • Towels are...
    Insulators
    Conductos
  • If we freeze liquid matter, it becomes gas.
    False
  • Copper is...
    insulator
    conductor
  • If we cool gas, it becomes a liquid.
    False
    True
  • Solidification is one of the changes in the states of matter.
    True
  • Trees are...
    insulators
    conductors
  • __________________is the process of changing a gas into a liquid.
    Solidification
    Evaporation
    Condensation
  • Heat can make the substance hot. We say that it raises its _______________.
    temperature
  • What is this? digital or liquid-in-glass thermometer?
    liquid-in-glass thermometer
  • When we heat solid matter, it becomes gas.
    False
  • What is happening in the picture?
    The ice is melting.
  • Platinum ring is...
    insulator
    conductor
  • People are...
    conductor
    insulator
  • The sun is one of the main _______ source on Earth.
    heat
  • What is the temperature of boiling water? 100°C or 0°C
    100°C
  • _________________ is the process of changing a solid into a liquid.
    Melting
    Condensation
    Freezing
  • What is this? digital or liquid-in-glass thermometer?
    digital thermometer
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