Frequency
What is frequency?
Frequency is how often a repeating event occurs.
Speed is measured in what?
Meters per second
What is louder? A kid yelling "6,7", or a kid whispering "6,7" ?
The kid yelling "6,7"
Should you're eating frequency be higher than your tooth brushing frequency?
Yes
What animals can hear extremely high-pitched sounds?
Bats, mice, dogs, and owls.
What is the speed of sound called?
Mach 1
What is louder: fireworks or lawnmowers?
Fireworks
What animals can hear extremely low-pitched sounds?
Rhinos, elephants, hippos, giraffes, and alligators.
What do you hear when something breaks the sound barrier?
A sonic boom
Which is louder: thunder or an airplane?
An airplane.
What do we call a sound too high-pitched for human ears?
Ultrasound
What measurement do we use to measure loudness?
Decibels
What is the difference between frequency and pitch?
Frequency is how spread apart wavelengths are and pitch is how high the wavelengths are.
What do we call a sound too low-pitched for human ears?
Infrasound
What is the first human made object to break the sound barrier?
The whip