1. Fill in the blanks.
(a) Heat always flows from a body at
temperature to another at
temperature.
(b) Conduction takes place in
only.
(c) The particles of solids are very
packed with each other.
(d) Fluffed up cotton and woollens are poor
conductors of heat because of
present in them.
(e) The materials which do not allow the heat
to flow through them easily are called
of heat.
2. Define the following.
(a) Conduction of heat
(b) Good conductors of heat



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