Rainbows
are
often
seen
when
the
____________________
comes
out
after
or
during
a
rainstorm
.
____________________
are
caused
when
sunlight
shines
through
drops
of
water
in
the
sky
at
specific
____________________
.
When
white
sunlight
enters
a
raindrop
,
it
exits
the
raindrop
a
different
color
.
When
light
exits
lots
of
different
raindrops
at
different
angles
,
it
produces
the
red
,
orange
,
yellow
,
green
,
blue
,
indigo
,
and
violet
that
you
see
in
a
rainbow
.
Together
,
these
colors
are
known
as
the
____________________
.
These
colors
can
sometimes
be
seen
in
____________________
and
fountains
as
well
.
Did
you
know
that
there
are
double
rainbows
?
In
a
double
rainbow
,
light
reflects
twice
inside
water
droplets
and
forms
two
arcs
.
In
most
double
rainbows
,
the
colors
of
the
top
arc
are
____________________
from
those
in
the
bottom
arc
.
In
other
words
,
the
order
of
colors
starts
with
violet
on
top
and
ends
with
red
on
bottom
.
In
addition
,
rainbows
sometimes
appear
as
white
arcs
at
night
.
These
rainbows
are
called
moonbows
and
are
so
____________________
that
very
few
people
will
ever
____________________
one
.
____________________
are
caused
by
____________________
(
rather
than
sunlight
)
shining
through
drops
of
wate
r
