Electromagnetic Waves.
or EM Waves
These types of wave can travel through both matter and empty space
Electromagnetic Waves
or
EM Waves
300,000,000 m/s is also know as the ______ of _________.
speed, light
What makes some EM waves safe and some dangerous?
They have different frequencies that carry different amounts of energy.
What is the #4 pointing to in this picture?
trough
Which color on the visible light spectrum has the longest wavelength?
Red
Wavelength and frequency have an _______ relationship.
inverse (or opposite)
Sound waves travel fastest in what type of medium?
Solid
High frequency means more ______.
Energy
What is #2 pointing to in this picture?
amplitude
Which color on the visible light spectrum has the shortest wavelength?
Violet
Which EM wave has the highest frequency and energy?
Gamma Rays
Light waves travel fastest in which type of medium? (except for empty space)
Gas
An EM wave with a similar frequency to X-rays is _________.
Gamma
What is #1 pointing to in this picture?
wavelength
What is the order of the visible light spectrum?
ROY G BIV
Red, orange, yellow, green, blue, indigo, violet.
Electromagnetic waves are disturbances in _________ and _________ fields.
electric, magnetic
or
magnetic, electric
These waves move at a speed of 300,000,000 m/s in a vacuum.
EM Waves
or
Electromagnetic Waves
Which two parts of the electromagnetic spectrum are close to visible light?
Infrared Light and Ultraviolet Light
What is #3 pointing to in this picture?
crest
Recite the colors of the visible light spectrum in order of increasing wavelength.
Violet, Indigo, Blue, Green, Yellow, Orange, Red
Which wave in the EM spectrum has the longest wavelength and lowest frequency and energy?
Radio waves
Why do we see lightning before we hear the accompanying thunder?
Light travels faster than sound.
Electromagnetic waves carry this type of energy
Radiant energy
What type of wave is this? (transverse or longitudinal)
Transverse