-
The
Earth
rotates
on
its
____________________
once
a
day
,
so
it
does
one
complete
____________________
every
24
hours
.
-
The
Earth
____________________
around
the
sun
every
____________________
days
and
almost
____________________
hours
,
or
once
a
year
.
Each
year
has
four
____________________
because
the
Earth's
axis
is
____________________
.
-
It
is
summer
in
a
place
when
the
Sun's
rays
are
almost
____________________
to
it
.
-
It
is
winter
when
the
rays
arrive
at
an
____________________
angle
.
-
Every
four
years
we
add
an
extra
day
in
____________________
.
These
years
have
____________________
days
and
are
called
____________________
years
.
