1. Using the black paper, cut out
the shape of your flashlight / torch
face (area that the light comes
2. Cut a small slit in the middle
of the black paper cover which you
have just cut out.
3. Place the black paper cover
over your flashlight / torch and secure
it with tape.
4. Fill the plastic box half
way with water.
5. Stand the mirror in the
water so it leans against the end
of the box at an angle.
6. Point your torch so the
light beam shines on the mirror
through the water (the flashlight / torch
should be on the outside of the
container and not submerged in the
7. Hold up the white card
so reflected light coming from the
mirror can shine on it.
You can see a rainbow
on the white paper?
When light travels
through water, the light beam slows
down and bends.
The seven different
colors that make up the rainbow
all travel at different speeds and
therefore each color bends at a
slightly different angle.
The mirror reflects
the different colors so that you
can see a rainbow or spectrum of the
seven separated colors.