Page 139 - text book form physics kssm 2020

Chapter 4
Chapter 4
Heat
Heat
Outer layer of space capsule

Space capsule on its journey back to Earth
encounters air resistance when entering
the atmosphere. Th is friction increases the
temperature and causes the space capsule to
burn. Th erefore, the outer layer of a space
capsule is made from substance with a high
specifi c heat capacity and melting point.

Production of latest materials in the construction of green buildings

Cement layer
Styrofoam
Cement insulating
layer board
Concrete
sheet

Th e Diamond Building, Energy Commission
is built with an insulating concrete roof, that is
a roof fi tted with insulators using styrofoam
boards. Styrofoam has a high specifi c heat
capacity and can reduce the absorption of heat
from the surroundings to reduce the temperature
inside the building.

The Diamond Building

http://bt.sasbadi.com/p4133

Cooking utensils
Handle of pot
Th e body of a pot is made of aluminium which has
a low specifi c heat capacity. Th is enables the pot to
heat up quickly. However, the handle of the pot is
made from plastic which has a high specifi c heat
capacity. Th is ensures that the handle of the pot gets Body of
hot slowly and is safe to handle. pot

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4.2.4
4.2.4 133