Page 16 - E-Science Prim.6 2024-2025 U2_Handy

The speed of heat
transfer between
objects increases by

Increasing the Increasing the Increasing
difference in surface area the time of
temperature
contact

You may observe
metals feel cool when
you touch them even,

they are at R.T

Touching metal It transfers faster through
vs. wood objects: metal “Thermal conductor”
Body generates
It transfers slowly through thermal energy.
wood “Thermal insulator” It transfers from

your hand to
object as:

Meteorologists Engineers must

(Scientists study understand conduction,
weather) must convection and

understand radiation to design
convection and cooking tools,

radiation. sidewalks that are
cooler and shadier.

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First Term