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06/22/2016
P1a ­ Heating Houses…read more

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06/22/2016
Particle theory revision
Particle theory is all about explaining the properties of solids,
liquids and gases by looking at what the particles do.
SOLIDS
In a solid the particles ______
around a _____ position. There
is a ______ force of attraction
between each particle and they
are very _____ together
Words ­ strong, close, vibrate, fixed
"Temperature" is simply a way of measuring how fast these
particles are vibrating.…read more

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06/22/2016
LIQUIDS
In a liquid the particles are
_____ together but can move in
any direction. They won't keep a
_____ shape like _____ do.
GASES
In a gas the particles are very
far apart and move _____ in all
directions. They often ______
with each other and because
they are far apart they can be
easily _______.
Words ­ fixed, collide, quickly, close, squashed, solids…read more

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06/22/2016
Heat and Temperature
Heat is a type of energy that will flow from a warm area
to a colder one. For example...
This cup of coffee will ____ ____
because it is _____ ____ heat energy
into the surroundings. The hotter it is,
the quicker this will happen.
This drink (taken out of the fridge)
will _____ ___ because it is _____
___ heat energy from the
surroundings. The colder it is, the
quicker this will happen.
Words ­ giving out, warm up,
taking in, cool down…read more

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06/22/2016
Understanding Thermograms…read more

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