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210
The Fairy-Land of Science
·
Arabella B. Buckley
41
In
the
first
place,
as
they
come
quivering
to
the
earth,
it
is
they
which
shake
the
water-drops
apart,
so
that
these
are
carried
up
in
the
air,
as
we
shall
see
in
the
next
lecture.
And
then
remember,
it
is
these
drops,
falling
again
as
rain,
which
make
the
rivers
and
all
the
moving
water
on
the
earth.
So
also
it
is
the
heat-waves
which
make
the
air
hot
and
light,
and
so
cause
it
to
rise
and
make
winds
and
air-currents,
and
these
again
give
rise
to
ocean-currents.
It
is
these
dark
rays,
again,
which
strike
upon
the
land
and
give
it
the
warmth
which
enables
plants
to
grow.
It
is
they
also
which
keep
up
the
warmth
in
our
own
bodies,
both
by
coming
to
us
directly
from
the
sun,
and
also
in
a
very
roundabout
way
through
plants.
You
will
remember
that
plants
use
up
rays
of
light
and
heat
in
growing;
then
either
we
eat
the
plants,
or
animals
eat
the
plants
and
we
eat
the
animals;
and
when
we
digest
the
food,
that
heat
comes
back
in
our
bodies,
which
the
plants
first
took
from
the
sunbeam.
Breathe
upon
your
hand,
and
feel
how
hot
your
breath
is;
well,
that
heat
which
you
feel,
was
once
in
a
sunbeam,
and
has
travelled
from
it
through
the
food
you
have
eaten,
and
has
now
been
at
work
keeping
up
the
heat
of
your
body.
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