Sound and Sound Waves

Why does sound travel faster in solids than in liquids or gases.

• They are harder.

• The particles are closer together.

• Solids have more energy.

• Gases fill their container.

Which state of matter do sounds travel fastest in?

• Solid

• Liquid

• Gas

• Plasma

Calculate the speed of sound if a sound wave travels 340 m in 1 seconds.

• 3060

• 365 m/s

• 340 m/s

• 250 m/s

A sound wave travels through air. It travels 1000m at a speed of 100 m/s. How long does it take to get there?

• 102000 seconds

• 666 seconds

• 4.25 seconds

• 10 seconds

On which medium sound travels the slowest?

• Solid

• Liquid

• Gas

Amplitude affects which characteristic of sound waves?

• frequency

• pitch

• loudness

• wave speed

Where does vibration produced when someone is speaking?

• Pharynx

• Larnyx

• Vocal Chords

• Trachea

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low
• low, high
• medium, high
• high, medium

The ______ of a sound depends on the medium through which it's moving.

• pitch

• vibration

• speed

• loudness

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction