Show:
Sound
Types of Waves
Characteristics
Parts
Wave Speed
100
When sound travels through air, the particles ________ . 
What is vibrate along the direction of the wave travels? 
100
Waves that travel through empty space.
What is electromagnetic wave?
100
For a wave , the _____ the amplitude, the ____ energy the wave carries.
What is larger, more ?
100
The highest point of a wave is _____ . 
What is crest? 
100
Different types of waves travel ______ _____. 
What is different speeds? 
200
Sound waves do not  travel through ______. 
What is empty space?
200
Mechanical waves can not travel through ____ ____. 
What is empty space?
200
The directional change of the light waves occur because ______. 
What is the angle of reflection of waves always  equals the angle of incidence?
200
The lowest point of a wave is a _____ .
What is the trough?
200
You can calculate the speed of a wave by multiplying its ______ and its ______ together.
What is wavelength and frequency? 
300
Humans can hear frequencies as low as 21 Hz. If the sound is measured during 3 seconds, ___ wavelengths pass per second.
What is 63?
300
When two waves combine to create a wave with a greater amplitude than either original wave.
What is constructive wave?
300
Some headphones use ______ ______ to block out sound.
What is destructive interference?
300
The length from crest to crest. 
What is wavelength?
300
The formula is __ .
What is wave speed = frequency x wavelength?
400
Sound waves are ________.
What is partly longitudinal and partly transverse? 
400
A wave in which the disturbance is perpendicular to the direction the wave travels.
What is a transverse wave?
400
____ is transferred during the movement of a wave.
What is energy?
400
The maximum distance that the wave moves from its rest position.
What is amplitude?
400
Lightning flashes about 1 million times faster than _____ _____. 
What is sound waves? 
500
The energy carried by a sound wave _____ as its amplitude ______ . 
What is increases, increases? 
500
A wave that makes the particles in a medium move parallel to the direction that the wave travels.
What is longitudinal wave?
500
The amplitude of a wave is ___________. 
What is the distance between the crest and the  trough of the wave?
500
The number of wavelengths that pass by a point each second. 
What is frequency?
500
The symbol for wavelength is known as the Greek letter called ______ . 
What is Lambda?