Adv Phys Sci-Section 7 Sound Exam Review

Which of the following statements are true about sound? (question 1)

• all sounds can be seen
• sound is caused by vibration
• the back and forth movement of objects cause vibrations
• the loudest sounds ever recorded were in Room 317 when making kazoos from straws

Which of the following statements are true about sound? (question 2)

• sound is caused by vibrations
• sound is not a form of energy
• some sounds can be made without vibrations
• it takes energy to make sound

Which of the following statements best describes what energy is?

• energy is the ability to make sounds
• energy is free
• energy is the ability to do work
• energy is never transferred

Which of the following statements best describes what a tone is?

• the tone is the quality or timbre of a sound which is the characteristic of that sound
• the tone of a sound is the pitch of a sound
• the tone of a sound is the frequency of a sound
• the tone is the amplitude of a sound

Which of the following statements is true about overtones?

• overtones help determine the difference in sounds, like a violin or a tuba
• tuning forks are made to have many overtones
• the reason people sound different is because of the overtones in their voice
• Although different instruments can play the same note, the note can sound different due to the many overtones

Which of the following statements best describes what pitch is?

• pitch is how nice a sound is
• pitch of a sound is what you do in baseball
• pitch is the loudness and softness of a sound
• pitch is the highness or lowness of a sound

Which of the following statements are true about frequency?

• the higher the frequency, the higher the note sounds
• an object that vibrates very slowly can have a very high-pitched sound
• frequency is the number of vibrations each second that an object makes
• we measure frequency in hertz

Which of the following statements are true about sound waves? (question 1)

• sound waves are longitudinal waves
• sound waves alternately compress and expand
• a longitudinal wave has a back and forth motion
• a longitudinal wave has an up and down motion

Which of the following statements best describes a sound wave? (question 2)

• a wave with an up and down motion
• a wave that is like an ocean wave
• a wave that is a back and forth motion
• a wave that is transverse

Which of the following statements are true about mediums of sound? (question 1)

• a substance that carries a sound wave is called a medium
• water is an excellent medium for sound
• sound can travel through solids
• air is not a good medium for sound