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Quiz: Classroom Noise Meter

Image Credit: Science Buddies
1. Explain in your own words how we can generate sounds with our voice. Where relevant, use the terms from the Word Bank above.
2. The figure below shows a representation of four different sound waves. Which of these sound waves generates the sound with the highest pitch (frequency)?
Image Credit: Science Buddies
Correct.
Incorrect.
Image Credit: Science Buddies
3. Waves have different properties. Which wave characteristic is represented by “A” in the diagram shown below?
Image Credit: Science Buddies
Correct.
Incorrect.
4. How does the amplitude of a sound wave correlate to the sound we hear?
5. The graph below shows data recorded with the phyphox app during one of the five classroom scenarios (background noise, one speaker, independent work, discussion in pairs, group discussion). Based on your results from your investigations, which of the following scenarios do you think was recorded in the graph below? Explain your reasoning below.
Image Credit: Science Buddies
Correct.
Incorrect.
  Explain your reasoning:

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