Uploaded by sania aman

Heat transfer loop

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Heat
What do dark, matt surface do
to radiation?
Hot to cold
What happens to particles when
they gain more energy?
Temperature
What is another name for
thermal energy?
Conduction
What direction does heat travel?
C
What is a measurement of how
hot or cold a substance is?
Solids
What method of heat transfer
involves particles knocking their
neighbours to pass on energy?
Thermometer
What unit do we use to
measure temperature?
Metals
What state does conduction
happen most in?
Melting
What equipment to we use to
measure temperature?
Insulators
What materials are very good
conductors of heat?
Evaporating
What do we call the process of
changing state from Solid to
liquid?
Fluids
What do we call material which
do not conduct heat
Condensing
What do we call the process of
changing state from liquid to
gas?
Convection
What do we call states in which
the particles can move. ie liquids
and gases?
It turns from a liquid to
a solid
What do we call the process of
changing state from gas to
liquid?
It expands
What method of heat transfer
involves hot fluids rising and
sinking?
They have lost energy
What happens when a
substance freezes?
It decreases
What happens to an object
when it is heated?
Boiling point
What happens to the particles
when a substance cools down?
The particles cannot
move
What happens to the density of
a substance when it expands?
100oC
What do we call the
temperature at which water
will all turn gas?
Radiation
What can conduction not
happen in solids?
Horizontal line
What is the boiling point of
water?
Heat reaches up from
the sun
What type of heat transfers does
not require particles?
They vibrate more
What will we see of a
temperature-time graph when
a substance is changing state?
Reflect it
How do we know that radiation
can travel through a vacuum?
Absorb it
What do shiny surfaces do to
radiation?
o
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