1) Is the Moon luminous or non luminous? a) non luminous b) luminous 2) In what direction do light rays travel? a) Spirals b) Curves c) Straight d) wibbly wobbly 3) What do we call a thin beam of light? a) A ray b) A beam c) A bert 4) The angle of incidence = a) The normal b) The angle of reflection c) The angle of refraction 5) When a ray of light enters a block of glass at an angle, what happens to its direction? a) It bends away from the normal b) it carries on in the same direction c) It bends towards the normal 6) When a ray of light leaves a block of glass at an angle, what happens to its direction? a) It bends away from the normal b) it carries on in the same direction c) It bends towards the normal 7) Light bends as it goes from air to glass, what is this called? a) Diffusion b) Reflection c) Refraction d) Transparent 8) If light won't go through a material we say it is a) Opaque b) Transparent c) Luminous 9) If light will go through a material we say it is a) Opaque b) Transparent c) Luminous 10) What can you use to split white light into its colours a) mirror b) lens c) prism 11) What three colours of light will make white light? a) red, yellow and orange b) red, blue and green c) blue, green and yellow d) cyan, magenta and yellow

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