Class 7    General Science    Example [SC-7.5]

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Q 1. During conduction, particles of the substance ---------- their place.
 
  • vibrate in
  • move
  • leave
  • stick on
 
Q2. The quantity of heat required to raise the temperature of one unit mass of a substance by 1 degree C is called the ---------- of that substance.
  • unit heat
  • specific heat
  • heat accelerator
  • temperature
 
Q3. What is used to measure body temperature ?
  • Barometer
  • Psychrometer
  • Anemometer
  • Thermometer
 
Q4. The heat required to raise the temperature of 1 kg of water by 1 degree C is called ----------.
  • One Kilocalorie (Cal.)
  • One Kilowatt
  • One kelvin
  • Average Power
 
Q5. In a convection current, warm air travels ----------.
  • downwards
  • longitudinal
  • upwards
  • across
Q6. Which apparatus is used to find out the specific heat of a substance ?
  • Anemometer
  • Psychrometer
  • Barometer
  • Calorimeter
 
Q7. The heat required to raise the temperature of a certain mass of a substance by 1 degree C is called the ---------- of that substance.
  • heat capacity
  • heat requirement
  • temperature
  • mass capacity
 
Q8. State true or false: "Paramecium is unicellular".
  • Blank
  • FALSE
  • TRUE
  • Blank
 
Q9. The temperature at which a liquid substance starts to boil is called the ---------- of the substance.
  • heat capacity
  • boiling point
  • specific heat
  • density
 
Q10. What is the unit of heat ?
  • Kelvin
  • Volt
  • Joule
  • Calorie
   
 
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