The starter and exit quiz of the lesson “Reflecting and absorbing sound”, from the unit “Sound, light and vision” (Year 7 Science) by Oak National Academy.
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Oak National Academy
12 questions
Which of the following words describes a repeated back and forth movement?
Which of the following words is used to describe what all solids, liquids and gases are made of?
A drum on one side of a room is hit. It makes a sound that travels to the other side of the room. How does the sound travel across the room?
What is the name of the process when a wave ‘bounces’ off a surface?
What name is given to the process when a wave loses its energy after travelling into a material, so that it neither bounces off nor travels all the way through?
When a sound wave travels through air, it makes the air heat up a little. Which of the following statements explains why this happens?
Which of the following statements are correct?
A person hits a drum in a room. After they stop hitting the drum, they cannot hear the sound any more. Which of the following statements explains why this happens?
A person stands 5 metres away from a wall outside and claps. They hear an echo. When the person hears the echo, how far has the sound wave travelled?
Which of the following characteristics of a surface allow it to produce clear echoes?
Which of the following is the correct definition of ‘noise’?
In a music recording room, echoes are usually not wanted. Which of the following methods are most effective at reducing echoes in the room?
