14 Shiny surfaces Light is reflected as a beam and can be seen on the wall. wall mirror
15 Move the mirror The light reaches a different place on the wall. wall
16 Look in a mirror Light is reflected. You can see a reflection.
17 Change the direction of the light beam Light is still reflected. You see a reflection - in a different direction.
18 Multiple reflections The lamp hangs between two large mirrors on opposite walls. The reflection in the first mirror is reflected in the second mirror, which is reflected again in the first mirror - - -