What type of waves are sound waves?
Light
Transverse
Longitudinal
Which do sound waves travel fastest through?
Solid
Gas
Liquid
What are the areas where particles are pulled further apart in sound waves called?
Compression
Vacuum
Rarefaction
What is the name given to the range above human hearing?
Infrasound
Ultrasound
Infrared
What is the speed of sound in air?
300 000 km/s
340 m/s
340 miles per hour
Which of these is the correct order for the speed of waves starting with the fastest?
Sound, light, water
Light, water, sound
Light, sound, water
Which of these is the correct equation for speed?
speed = distance ÷ time
speed = distance × time
distance = speed × time
Where is SONAR used?
In hospitals to find broken bones
In fishing boats to find fish
In hospitals to look at unborn babies
What are the units of frequency?
Joules
Decibels
Hertz
What is the correct scientific term for pitch?
Frequency
Amplitude
Wavelength