Suoni della Scienza

What is pitch in terms of sound?

• The color of a sound wave

• How high or low a sound is

• How fast a sound travels

• How loud or soft a sound is

How is pitch related to frequency?

• Pitch is how high or low a sound is.

• Pitch is how loud a sound is.

• Pitch is how fast a sound travels.

• Pitch is the color of a sound.

What is the unit used to measure how often something happens?

• Newton

• Hertz (Hz)

• Volt

• Watt

Explain what Hertz means when we talk about sound frequency.

• Hertz is a unit used to measure how fast sound travels

• Hertz is a way to measure how loud a sound is

• Hertz is a unit of measurement for the frequency of sound waves

• Hertz is a measure of how high or low a sound is

How does the pitch of a sound wave change as its frequency increases?

• The pitch goes up when the sound gets higher

• The pitch of a sound wave goes up when its frequency goes up

• The pitch stays the same no matter how fast the sound is

• The pitch gets louder as the frequency increases

Can two sounds have the same pitch but different frequencies? Explain.

• No, sounds with the same pitch always have the same frequency.

• Maybe, it depends on the instruments making the sounds.

• Sometimes, it can happen in special cases.

• Yes, sounds can have the same pitch but different frequencies.

What is the range of sounds that humans can hear?

• 5 Hz to 30,000 Hz

• 10 Hz to 15,000 Hz

• 20 Hz to 20,000 Hz

• 30 Hz to 25,000 Hz

How does the pitch of a sound wave change when it gets louder?

• The pitch of a sound wave stays the same when it gets louder.

• The pitch gets lower when it gets louder.

• The pitch gets higher when it gets louder.

• The pitch gets softer when it gets louder.

What is the connection between pitch and the number of vibrations per second?

• Pitch goes up when the number of vibrations per second goes up.

• Pitch stays the same no matter how many vibrations per second there are.

• Pitch goes up when the size of the vibrations goes up.

• Pitch goes up when the number of vibrations per second goes up.

How does the pitch of a sound wave change when its wavelength gets shorter?

• The pitch of a sound wave gets louder.

• The pitch of a sound wave stays the same.

• The pitch of a sound wave gets softer.

• The pitch of a sound wave increases.