8SCI Ch 4: Sound and Light

T or F: Sounds are produced when matter vibrates.

• True

• False

T or F: The greater the energy of a sound wave, the higher the pitch.

• True

• False

T or F: As your vocal cords become thinner, the pitch becomes higher.

• True

• False

T or F: Sound travels faster in high temperatures.

• True

• False

T or F: The purpose of the inner ear is to amplify sound.

• True

• False

T or F: Sound will travel through water at 20°C faster than water at 80°C.

• True

• False

T or F: The function of the bones in the middle ear is to amplify sound waves.

• True

• False

T or F: Loudness is how high or low a sound seems to be.

• True

• False

T or F: Finding objects by emitting sounds & interpreting reflections is called reverberation.

• True

• False

Which of the following can sound NOT travel through?

• liquids

• solids

• a vacuum