Mechanical Waves
Behavior of waves
Sound and hearing
Random
100
What is a mechanical wave?
A mechanical wave is a distance in matter that carries energy from one place to another.
100
What is the definition of Refraction?
The bending of a wave as it enters a new medium at an angel.
100
What is a sound wave?
Sound waves are longitudinal waves---compression and rarefaction that travel through a medium.
100
When was Telesis Preparatory Academy built?
1991 as a private school.
200
What is the material that waves travel through?
A medium
200
What happens when a wave diffracts?
The wave bends around an obstacle or passes through a narrow opening.
200
Why can a French horn produce lower notes then a trumpet?
Because it can make a longer tube for a standing wave.
200
When did Peppa Pig first air?
May 31, 2004
300
What are the three types of mechanical waves?
Transverse waves, longitudinal waves, and surface waves.
300
What are the two types of interference?
Constructive interference and destructive interference
300
what is the intensity level of a jet plane taking off?
It is between 120 to 160 decibels.
300
When was the Declaration of Independence adapted?
July 4, 1716
400
what is the equation for the speed of waves?
Speed = Wavelength X Frequency
400
When does a standing wave form?
Only if half a wavelength or multiple of half a wavelength fits exactly into the length of a vibrating cord.
400
What is the speed of sound in dry air at 20°C
342 meters
400
How many PBS KIDS shows are there?
Over 30
500
What is a example of a mechanical wave that's not water?
A helical spring
500
What is this?
Wave interference
500
how much energy does a 30-decibel sound deliver per second?
1000 times more energy than a 0-decibel sound
500
What is the biggest hole in the ocean called?
Answer: Taam Ja' Blue Hole
Taam Ja' Blue Hole in Chetumal Bay, which was found to have a depth of more than 420 meters or 1,380 ft in 2024.