Smarter Sound Quiz

Sound travels
1. in one direction.
2. in all directions.
3. up from where it starts.
4. down from where it starts.
Smooth sounds are made by
1. simple vibrations.
2. no vibrations.
3. many different vibrations.
4. complicated vibrations.
The lowest note on the flute is
1. top C.
2. D.
3. middle C.
4. A.
On a real flute the the pipe is made shorter by
1. chopping off bits of the instrument.
2. putting more fingers down on the keys to cover more holes.
3. by blowing harder.
4. taking fingers off the keys to uncover more holes.
the next higher c from middle c on the flute vibrates at about
1. 250 times per second.
2. 50 times per second.
3. 25 times per second.
4. 500 times per second.
As you get older you are less able to hear
1. middle pitched sounds.
2. middle c.
3. higher pitched sounds.
4. lower pitched sounds.
Which of these is too high for human beings to hear?
1. 440Hz
2. 28,160Hz
3. 256Hz
4. 500Hz
Putting more energy into playing a sound makes it
1. louder.
2. quieter.
3. stop.
4. softer.
Sound waves for noises
1. have simple patterns.
2. are twice as fast.
3. have no pattern to them.
4. have a basic repeating pattern to them.
Faster vibrations make
1. lower pitched sounds.
2. longer sounds.
3. shorter sounds.
4. higher pitched sounds.