Mechanical waves involve the ______ of some sort of _________.
What is motion?; What is matter?
Distance from the midline of a wave to the greatest crest OR lowest trough.
What is transverse amplitude?
The crest is _______________.
Rarefractions are ______________.
What is the spreading apart of waves?
Mechanical waves involve ____________.
What is the motion of matter?
The matter _________ in place.
What is "vibrates"?
The amplitude of longitudinal waves is ___________.
The bottom of a transverse wave is _________.
What is the trough?
The bunching together of waves in a longitudinal wave.
What are compressions?
Electromagnetic waves send energy through ___________.
What are electric and magnetic fields?
Gamma Rays, X-Rays, U.V., Infrared, Visible, Microwave, Radio (shortest to longest) ---- True or False?
What is false? [visible and infrared are switched :)]
Amplitude is the radius from the midline of the wave to the most colossal crest and the most downreaching trough. -- True or False?
Particles/matter move in a direction at is ____________ to the direction in which energy moves.
What is perpendicular?
Particles/matter move back and forth __________ to the direction in which energy travels.
What is parallel?
This is what transverse and longitudinal waves have in common.
_______ is sent through magnetic and electric fields.
What is energy?
Amplitude is the distance from one crest OR compression to another. -- True or False?
What is false?
Counting the number of crests that pass a certain point at a certain time is measuring the wave's ___________.
What is frequency?
Counting the number of expansions that pass through a certain point at a certain time is measuring the wave's frequency. -- True or False?
Electromagnetic waves don't ________________.
What is needing energy to travel?
Transverse or Longitudinal?
(show image)
What is longitudinal?
Name the highest crest AND the lowest trough of the following image (using the yellow/green line).
(show image)
What is crest #1 and trough #1?
Transverse wavelengths is the distance between two _________.
What are crests?
Longitudinal wavelengths are the distance between two expansions. --- True or False?
What is false? (distance between two compressions)
A good representation of waves is a __________. (What did we use to demonstrate in class)
What is a slinky?