1) What is the sound? a) Something we can see. b) Something we can touch. c) Something we can smell. d) Something we can hear. 2) What can sound travel through? a) Solids, liquids and gases. b) Air, land and water c) Brain, ears and head. d) Objects, matter and planets. 3) What can travel faster, light or sound? a) Sound b) Light c) None d) Sound and light 4) The vibration of sound is created by: a) Air b) Water c) Waves d) None 5) Why does a higher sound get bigger waves? a) Because bigger waves create bigger air. b) Because bigger waves create bigger sound. c) Because bigger waves create bigger intensity. d) Because bigger waves create bigger visibility. 6) What happens when sound waves reach our ears? a) Sound is silenced. b) Sound is heard. c) Sound is created. d) Nothing happens. 7) Why can't we see sound waves? a) Because they are shy. b) Because they are small. c) Because they are invisble. d) Because they are too big to see.

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