Waves

Waves in water are what type?

• Transverse

• Longitudinal

• Light

At what direction are the oscillations in a transverse wave to its direction?

• parallel

• perpendicular

What type of wave does sound travel as?

• Transverse

• Longitudinal

What happens to water waves when they hit a surface?

• Reflection

• Refraction

• They stop

What word describes the distance between the middle line and the highest part of the wave?

• Wavelength

• Superposition

• Amplitude

• Frequency

What units is frequency measured in?

• Meters

• Newton

• Hertz

• Seconds

Frequency measures:

• the number of vibrations per hour

• the number of vibrations per minute

• the number of vibrations per second

• the number of vibrations per millisecond

Which statement is true of sound waves. Select 2 answers.

• They are made by objects vibrating

• They are detected because they make our ear drum vibrate

• They are transverse waves

• They travel faster in air than in water.

The speed of sound is about...

• 30 m/s

• 300 m/s

• 30 000 m/s

• 300 00 0m/s

At what direction are the oscillations in a longitudinal wave to its direction?

• parallel

• perpendicular