Sound Flashcards
What does the AMPLITUDE show?
The AMPLITUDE shows HOW MUCH ENERGY a WAVE has.
What is AMPLITUDE?
AMPLITUDE is the HEIGHT of a SOUND WAVE.
What does a LARGE AMPLITUDE show?
A LARGE AMPLITUDE shows that the SOUND is LOUD.
Define FREQUENCY.
FREQUENCY shows the number of COMPLETE WAVES PER SECOND.
What is FREQUENCY measured in?
FREQUENCY is measured in HERTZ.
What does a HIGH FREQUENCY show?
A HIGH FREQUENCY shows that the sound has a HIGH PITCH.
How do you DRAW AMPLITUDE?
AMPLITUDE is a LINE from the WAVE CREST to the CENTRE LINE.
What is WAVELENGTH?
The DISTANCE from ONE WAVE CREST TO ANOTHER.
What is the TROUGH?
The BOTTOM OF A WAVE.
What is the SPEED OF SOUND.
The SPEED OF SOUND is 343 METRES PER SECOND or 778 MILES PER HOUR or 1234.8 KILOMETRES PER HOUR.
What does SUPERSONIC mean?
SUPERSONIC means FASTER THAN than the SPEED OF SOUND.
What is MACH 1?
MACH 1 is the SPEED OF SOUND.
What is MACH 2?
MACH 2 is DOUBLE THE SPEED OF SOUND.
In what STATE does SOUND TRAVEL FASTEST?
Through SOLID because the MOLECULES ARE MORE PACKED TOGETHER in a SOLID.
What was the CONCORDE?
The CONCORDE was the FIRST SUPERSONIC COMMERCIAL AEROPLANE.
What was the MAXIMUM SPEED of the CONCORDE?
The MAXIMUM SPEED of the CONCORDE was 1350 MILES PER HOUR or MACH 2.04
