1.1 Lesson: Sound waves

Waves are vibrations that:

• transfer energy, but not matter, from place to place

• transfer energy and matter from place to place

• transfer matter, but not energy, from place to place

Recall which types of wave can travel through a vacuum.

• radio wave

• light wave

• sound wave

Are sound waves transverse or longitudinal?

• transverse

• longitudinal

Examples of high-amplitude sounds:

• flute

• jet engine

• drum

• whispering

Examples of low-amplitude sounds include:

• whispering

• ultrasound

• whale calls

Compared to the bottom diagram, the top diagram has...

• higher note, higher hertz

• higher note, lower hertz

• lower note, higher hertz

• lower note, lower hertz

Sounds that would have a very high frequency:

• trombone

• drum

• scream

• flute

Examples of low-frequency sounds include:

• trombone

• drum

• deep voice

• whistle

High Amplitude:

• Quiet sounds

• Loud sounds

• High-pitched

• Low-pitched

High Frequency:

• Quiet sounds

• Loud sounds

• High-pitched

• Low-pitched