1) Sound and light are both types of wave. True or false? a) True b) False 2) Sound is made by what? a) vibranium b) velociraptors  c) vibrations d) viscount 3) Light moves in zigzags. True or false? a) True b) False 4) Which part of the ear needs to vibrate for us to hear sounds? a) earbass b) eartrumpet  c) eartuba d) eardrum e) earcymbal 5) Which of these is NOT the name of a bone in the ear?  a) stirrups b) spanner c) hammer d) anvil 6) Which substance does sound travel through more quickly?  a) air b) water 7) Which of these soundwaves is for a high pitched sound? a) b) 8) Complete this sentence. The further away I move from the sound source... a) the louder the sound gets. b) the lower pitched the sound gets. c) the quieter the sound gets. d) the higher pitched the sound gets. 9) What do we call a sound we hear after it has bounced off a surface?  a) delay b) compression c) techno d) echo 10) Soundproofing stops sounds from being heard where they're not wanted. Which is the best substance for soundproofing? a) bricks b) foam c) paper d) wood 11) Why is foam good for soundproofing? Choose 2. a) It has lots of tiny pockets of air which slow vibrations down b) Being squashy absorbs some vibrations. c) It is warm and warmth slows down vibrations.  d) The sound bounces of it.  12) Which of these are light sources? Choose 3. a) the Sun b) the Moon c) fire d) torch e) window 13) Which of these means that some light can travel through but not all? a) opaque b) translucent c) transparent 14) A shadow is cast when a light is blocked by an object that is... a) transparent b) translucent c) opaque d) grumpy 15) Which of these is true? a) Nearly everything reflects light. b) Only shiny things reflect light. c) Only things made of glass reflect light. d) Nothing reflects light. 16) If a ray of light is shone at a mirror at 45° degrees at what angle will it be reflected back?  a) 45° b) 40° c) 90° d) 180° 17) What do we call the coloured part of the eye? a) pupil b) iris c) lash d) cornea 18) What job does the lens in your eye do? a) focusing the light b) protects your eyeball c) controls how much light comes into the eye d) sends a signal to your brain 19) What is this an example of? a) reflection b) respection c) refraction d) reflaction 20) Who discovered that white light can be dispersed into all the colours of the spectrum by shining it through a glass prism? a) Albert Einstein b) Henry Cavendish c) Galileo d) Isaac Newton

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