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Echo
Revision as of 16:00, 20 October 2018 by
NRJC
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Key Stage 3
Meaning
An
echo
is a
reflection
of
sound
.
About Echos
An
echo
happens when
sound
in a
gas
or a
liquid
meets the boundary with a
solid
.
Some
animals
like
bats
and
dolphins
use
echo
location to find their
prey
by making a
sound
and listening for the
echo
.