En Sound

What term best describes the form sound takes as it travels?

• gas

• music

• waves

• molecules

Which object produces a sound with high volume and low pitch?

• a triangle

• a diesel truck horn

• a refrigerator

• a smoke detector

When you measure a wave from the horizontal midline to the top of the wave, this identifies which of the sound waves characteristics?

• its pitch

• its speed

• its vibration

• its amplitude

What statement about sound is true?

• It always travels at the same rate of speed.

• It travels through many gases and many liquids.

• It travels faster in space than it travels on Earth.

• It travels through a solid faster than it travels through a liquid.

Which of the following is an accurate statement on how sound travels?

• Sound can travel only through air and other gases.

• Sound changes as it travels through different states of matter.

• Sound does not change as it travels through different states of matter.

• Sound becomes clearer and louder as it moves away from its source.

Why can sound not travel through space?

• Space is a vacuum.

• Sound cannot travel great distances.

• Sound cannot travel through matter.

• Space cannot transmit electromagnetic waves.

Which state of matter transmits sound waves when a person snaps her fingers and you hear it through cardboard tube held to your ear?

• a gas

• a solid

• a solid and a gas

• a liquid and a gas

If you have your left ear pressed to the surface of a wooden table and partner taps the table with a ruler, why would the sound in your left ear be different from the sound in your right ear?

• Sound waves travel to the right ear through a gas, but sound waves do not reach the left ear.

• The right ear receives sound waves that traveled through a gas, but the left ear receives vibrations instead of sounds.

• The right ear receives sound waves that traveled through a gas, but the left ear receives sounds waves that travelled through a solid.

• Sound waves travel more slowly through a solid, so the tapping sound will reach the left ear after the same sound has reached the right ear.

Which terms means "a disturbance that transmits energy"?

• wave

• volume

• vibration

• amplitude

Which terms identifies a range of light rays organized by frequency and wavelength?

• hologram

• visible light

• transverse waves

• electromagnetic spectrum