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Contents
1
Key Stage 3
1.1
Meaning
1.2
About Particles
1.3
Examples
Key Stage 3
Meaning
A
particle
is a small piece of
matter
About Particles
Particles
are usually round in shape.
Particles
are often made of other, smaller,
particles
.
Examples
A
water
molecule
is a
particle
made of 1
Oxygen
atom
and two
Hydrogen
atoms
.
An
atom
is a
particle
.
The
atom
is made of smaller
particles
called
Protons
,
Neutrons
and
Electrons
.