The starter and exit quiz of the lesson “Measuring the speed of sound in air and solids”, from the unit “Measuring waves” (Year 10 Science) by Oak National Academy.
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Oak National Academy
12 questions
What is an echo?
The material or substance that a wave is travelling through is called the wave ___.
A wave has a frequency of 2 Hz and a wavelength of 10 m. What is the wave speed?
The time taken for one oscillation is called the ___ of a wave.
Which one of these does not describe the wavelength of a wave?
Which word means a result is close to the true value?
Give the missing number in the following sentence. The accepted value for the speed of sound in air is ___ m/s.
Which two of the below would allow a result to be considered accurate?
Starting with the measurement of distance, put the steps for the echo method of measuring the speed of sound into the correct order.
Andeep and Sofia are 100 m from a wall. Andeep makes a sound, Sofia measures the time for the echo to return as 0.64 s. Their result for the speed of sound, to 2 significant figures, is ___ m/s.
Starting with the measurement of the rod length, put the steps for the method of measuring the speed of sound in a metal rod into the correct order.
Alex and Jun suspend a 1.20 m long metal rod on elastic bands. Jun strikes the rod and Alex uses a phone app to find the frequency of the sound: 2675 Hz. The speed of sound in the rod is ___ m/s.
