the number of complete waves that pass a point in a certain amount of time (measured in hertz)
frequency
Which section of the spectrum is the ONLY one we can see?
Visible light
he part of the electromagnetic spectrum that consists of waves detectable by the human eye
visible light
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
increases
part of the electromagnetic spectrum that consists of waves with higher frequencies than radio waves, but lower than infrared waves
microwaves
Which of the following electromagnetic waves has the lowest energy? Gamma rays, Infrared waves, Visible light, microwaves
Microwaves
Has a greater wavelength than X-Rays but a smaller wavelength than visible light
ultraviolet
highest point of a transverse wave
crest or peak
diffraction
What is the word for only some light can get through and it is difficult to make out details
translucent
a wave that moves at right angles or perpendicular to the direction that it travels
transverse wave
Has a greater wavelength than Gamma Rays, but a smaller wavelength than ultraviolet.
x-rays
Has a greater wavelength than microwaves
radio waves
If Mr. Schneider has on a black shirt, what colors are being absorbed into his shirt?
red, orange, yellow, green, blue, indigo, violet
allows light to pass through but images are foggy or haze and unclear
translucent
the part of the electromagnetic spectrum that consists of waves with the lowest frequencies
radio waves
part of the electromagnetic spectrum that consists of waves with frequencies higher than those of visible light and lower than those of x-rays
ultraviolet
relection
Mention the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
Infrared rays
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
Radio waves
A fancy word for light. It does not require a medium to travel
electromagnetic waves
The distance between two crests or two troughs of a wave is called:
wavelength
True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)
True
When you combine the colors red, orange, yellow, green, blue, indigo, violet, what color light do you get?
white light
Airport security is an example of ________________.
X-rays
Has a greater wavelength than visible light but a smaller wavelength than microwaves
infrared
Which of the following electromagnetic waves is given off as heat?
Infrared waves
part of the electromagnetic spectrum that consists of waves with high frequencies an high energies
x-rays
absorption
Has a smaller wavelength than X-Rays
gamma rays
part of the electromagnetic spectrum that consists of waves with the highest frequencies
gamma rays
What word means that no light can get through and you can't see any light through it
opaque
Which electromagnetic waves are used in ovens and cell phone communications?
Microwaves
Mrs. Evans has a red sweater on. What colors are being absorbed and what color is being reflected
absorbed - orange, yellow, green, blue, indigo, violet reflected - red
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy?
Radio waves
part of the electromagnetic spectrum that consists of waves with frequencies between those of microwaves and visible light
infrared
What is the word for an object that ALL light can pass through and you can see all details
transparent
comes between radio waves and infrared light on the electromagnetic spectrum
microwaves
A wave with a large wavelength will have a ______ frequency and _____ energy
low, low
How are electromagnetic waves different from other waves?
They can travel through empty space
disturbance that transfers energy from place to place
wave
matter through which the energy of a wave travels; can be solid, liquid, gas or a combination of these
medium
Electromagnetic waves that help your body produce vitamin D are called?
Ultraviolet waves
refraction
the range of all electromagnetic frequencies, including radio waves, microwaves, infrared waves, visible light, ultraviolet light, x-rays and gamma rays
electromagnetic spectrum
High frequency waves have _________ wavelengths.
short
total distance a wave moves from its resting position
amplitude
lowest point of a transverse wave
trough
distance from any point on one wave to a corresponding point on the next wave, such as crest to crest or trough to trough
wavelength
Has a greater wavelength than ultraviolet but a smaller wavelength than infrared
visible light
Which type of waves are used in broadcasting?
Radio waves