Sound Waves

Front

Sound waves travel as __________ waves.

Back

longitudinal

Front

Sound is made when a source of energy forces the matter to _________.

Back

vibrate

Front

A back-and-forth motion causing particles to move close together generates a _________.

Back

compression

Front

A rarefaction is generated when particles move _______.

Back

apart

Front

Sound waves cannot travel through _________. paper, milk, hydrogen, empty space

Back

empty space

Front

In which of these types of media will sound travel fastest?

• solid
• liquid
• gas
• vacuum

Back

solid

Front

The elasticity of a substance describes how fast or slow its particles bounce back-and-forth as ______________ move through the object.

Back

vibrations

Front

Which physical property of a medium is defined by how close the particles of the substance are to each other?

Back

density

Front

Which temperature causes sound to travel more slowly?

Back

cold

Front

Which of these is not a property of a sound wave? intensity, elasticity, loudness, pitch

Back

elasticity