Class VII

Wind systems are created due to change in
  1. pressure
  2. temperature
  3. humidity
  4. mass
. Transfer of heat in solids from higher concentration to lower concentration in presence of medium is known as
  1. Conduction
  2. Convection
  3. Radiation
  4. Latent Heat
Quilts and jackets keep us warm by
  1. trapping air
  2. conducting heat from our body
  3. heating itself up
  4. balancing its temperature with our body temperature
Metals are best
  1. insulators of heat
  2. conductors of heat
  3. sharers of heat
  4. insulators of electricity
By placing our hand above a hot object, we can feel heat because
  1. it is releasing heat
  2. our hand is releasing heat
  3. our hand is cooling down
  4. our hand is heating up
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