1) Do sound particles move forwards and backwards? a) True b) False 2) What does soundproof mean? a) That you can hear through it. b) That you can not hear through it. 3) The sound can travel through and liquid, solid and gas? a) False b) True 4) What part of the ear does sound hit when it sends messages to the brain? a) The eardrum b) The ear canal 5) Are there sound particles in space? a) True b) False 6) Are two ears better than one ear? a) True b) False 7) The further away you are from the sound the louder you hear it? a) True b) False 8) Can you see particles? a) No b) Yes 9) Tick three, What are the 3 main sections of the ear a) outer ear b) middle ear c) inner ear d) back ear 10) What is pitch? a) How soft and loud something is. b) How high or low a sound is. 11) If someone hears a sound, can everyone hear the same sound?  a) No b) Yes 12) Is there air in a vacuum? a) True b) False 13) What do you hear with? a) The outer ear b) The whole ear c) The middle ear d) The inner ear 14) What hits the ear drum? a) the vibrations b) the waves 15) What is the function of the ear for? a) To make look pretty  b) An organ of hearing and balance. 16) How do sound waves travel? a) Forwards and backwards b) sideways 17) Dose the sound wave travel through particle to particle? a) No b) Yes

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