# X- ray beam Worksheet

Type
Matching Worksheet
Description

x-rays are types of what kind of radiation elctromagnetic
Scientists found that EM radiation behaves as a _______ and other times as a ______ wave, particle
Electromagnetic radiation has no ? charge or mass
Electromagnetic radiation travels at 186,000 miles/sec
hard x-rays have a wavelength of about 100 picometer
Velocity is how fast the radiation moves
Increase energy of the wave increases ? height of wave
Amplitude is max. height of peak & valleys
unit of frequency hertz (Hz)
One cycle 1 peak and 1 valley
frequency is doubled wavelength is halved
One of the most important characteristics in a x-ray Wave length
If wavelenth decreases, frequency increases
most x-ray wavelenths = 0.1 to 10 nanometers
wave length formula C=fλ
Visible light is in the ______ of the spectrum center
Blue and violet have _____wave length and__________energy shorter and higher
Intensity is decreased by a factor of 4
Quantity = mAs
Quality = kVp
Beams of photons exiting tube before hitting patient Primary Radiation
Beams that exit the patient and produces an image Remnant radiation

## Waves,sound,and light Crossword

Type
Crossword
Description

is a lens that possesses at least one surface that curves inwards concave lens
involve the transport of energy without the transport of matte waves
s a wave that is an oscillation of matter, and therefore transfers energy through a medium. mechanical wave
oscillates perpendicular to the axis along which the wave travels transverse wave
is a region in a longitudinal wave where the particles are closest together. compressional wave
hat are propagated by simultaneous periodic variations of electric and magnetic field intensity electromagnetic waves
the maximum extent of a vibration or oscillation, measured from the position of equilibrium. amplitude
distance between one peak or crest of a wave and the next peak or crest. wavelength
common unit of frequency is the hertz (Hz), corresponding to one crest per second. frequency
The change in direction of a wave, such as a light or sound wave, away from a boundary the wave encounters. reflection
typically accompanied by interference between the wave forms produced. diffraction
he process in which two or more light, sound, or electromagnetic waves of the same frequency combine to reinforce or cancel each other interference
is the characteristic of a sound that is primarily a psycho-physiological correlate of physical strength (amplitude). loudness
a sound is determined by the rate of vibration, or frequency, of the sound wave. pitch
a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener. echo
an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other Doppler effect
a typical example: "the science or art of ordering tones or sounds in succession, in combination, and in temporal relationships music
which a system oscillates when not subjected to a continuous or repeated external force. natural frequency
ncrease in amplitude of oscillation of an electric resonance
ncrease in amplitude of oscillation of an electric fundamental frequency
that is a part of the harmonic series above a fundamental note and may be heard with it. overtone
series above a fundamental note and may be heard with it. overtones
prolongaprolongation of a sound; resonance. reverberation
vibrates in response to sound waves; the tympanic membrane. eardrum
one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity electromagnet wave
energy that travels by waves or particles, particularly electromagnetic radiation such as heat or x-rays. radiant energy
an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication radio waves
light rays which are longer than light but shorter than radio waves. Electromagnetic radiation with a wavelength between infrared waves
in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays. ultraviolet radiation
stream of such photons used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. xrays
penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei. gamma rays
a high-frequency electromagnetic wave modulated in amplitude or frequency to convey a signal. carrier waves
system of satellites, computers, and receivers that is able to determine the latitude and longitude of a receiver on Earth by calculating the time difference for signals from different satellites to reach the receiver. global positioning system
he range of wavelengths or frequencies over which electromagnetic radiation extends. electromagnetic spectrum
the range of wavelengths electromagnetic spectrum

## Chapter 5: Electromagnetic Waves Crossword

Type
Crossword
Description

a transverse wave that involves the transfer of electric and magnetic energy Electromagnetic wave
the energy that electromagnetic waves transfer through matter or space Electromagnetic radiation
the light that passes through Polarized light
light can cause an electron to move so much it is knocked out of the metal Photoelectric effect
a packet of light energy Photon
the complete range of electromagnetic waves placed in order of increasing frequency Electromagnetic spectrum
elelectromagnetic waves with the longest wave lengths and lowest frequencies Radio waves
shorter wavelengths and higher frequencies Microwaves
uses reflected microwaves to detect objects and measure their distance and speed Radar
electromagnetic waves with wavelengths shorter than those of microwaves Infrared Rays
an image that shows reigons of different temperatures in different colors thermogram
electromagnetic waves that you can see Visible light
electromagnetic waves with wavelengths just shorter than those of visible light Ultraviolet rays
electromagnetic waves with wavelengths just shorter than ultraviolet rays X-rays
electromagnetic waves with the shortest wavelengths and the highest frequancies Gamma rays
a method of broadcasting signals by changing the amplitude of a wave Amplitude modulation
a method of broadcasting signals by changing the frequency of a wave Frequency modulation

## Waves and Electromagnetic Spectrum Crossword

Type
Crossword
Description

For waves on the surface of the ocean or lakes wave
a measurement that indicates the movement or vibration of something (such as a sound wave or a radio wave) amplitude
Frequency is the number of occurrences of a repeating event per unit time frequency
In physics, the wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats, wavelength
the lowest turning point of a wave cycle trough
A crest is a point on the wave where the displacement of the medium is at a maximum. crest
A transverse wave is a moving wave that consists of oscillations occurring perpendicular to the direction of energy transfer. transverse wave
Longitudinal waves, also known as "l waves", are waves in which the displacement of the medium is in the same direction as, or the opposite direction to, the direction of travel of the wave. longitudinal wave
the point or place where something begins or is created line of origin
Infrared (IR) is invisible radiant energy, infared light
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. radio waves
Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 380 nm (750 THz), shorter than that of visible light but longer than X-rays. ultraviolet light
A gamma wave is a pattern of neural oscillation in humans with a frequency between 25 and 100 Hz,[1] though 40 Hz is typical.[2] gamma waves
Visible light waves are the only electromagnetic waves we can see visible light
Space void of matter. vacuum
is a form of electromagnetic radiation x-ray waves
pertaining to, or produced by electromagnetism. electromagnetic

## Electromagnetic Waves Crossword

Type
Crossword
Description

Which type of electromagnetic waves has the longest wavelength? Radio Waves
Which Type of Electromagnetic wave does your body emit? Infrared Waves
What decreases in a wave, when the frequency is decreased? energy
Which type of electromagnetic wave causes a chemical glow in a fluorescent light bulb ? ultraviolet waves
what color in visible light spectrum has the highest freuency violet
What is energy carried by an electromagnetic wave is called radiant energy
This wave is used at airports to screen passengers x-rays
These waves are used for satellite communication, microwaves
A wave that you can see with your sees.(unaided) lightwaves
Physicians can use these waves to destroy cancerous cells gamma rays

## Electromagnetic Spectrum Crossword

Type
Crossword
Description

he emission or transmission of energy in the form of waves or particles through space or through a material medium radiation
EM waves with frequencies between microwaves and visible light infrared light
electromagnetic waves with the lowest frequencies radio waves
the range of all electromagnetic frequencies electromagnetic spectrum
a type of wave that does not require a medium to travel; a disturbance that transfers energy through a field electromagnetic wave
EM waves with frequencies above visible light and below x-rays ultraviolet light
EM waves with frequencies between ultraviolet light and gamma rays x-rays
electromagnetic waves with the highest frequencies gamma rays
the passage of a wave through a medium transmission
a tool that uses refraction to separate the wavelengths that make up light prism
the part of the EM spectrum that human eyes can see visible light
EM waves that are used in radar and cell phones microwaves

## Electromagnetic Waves Crossword

Type
Crossword
Description

As frequency decreases, wavelength ____. increases
The human body emits ____ waves. Infrared
What type of EM wave has the shortest wavelength? Gamma rays
Speed through a non-vacuum is slightly _____. slower
Used to screen passengers at airports X-rays
Range of all types of EM radiation Spectrum
_____ increases as frequency increases energy
Reason skin tans and burns Ultraviolet rays
Empty space vacuum
Transmit energy through a vacuum electromagnetic waves
Frequency is usually measured in _____. Hertz
______ is measured in meters Wavelength
The letter c is considered the ___ of light. speed

## Layers of the Atmosphere Crossword

Type
Crossword
Description

The region surrounding the Earth or another astronomical body. Magnetosphere
Part of the upper atmosphere where temperatures increase continuously. Thermosphere
above the Stratosphere and below the Thermosphere between 30 and 50 miles in altitude. Mesosphere
Above the troposphere, extending to about 32 miles above the earth's surface. Stratosphere
The lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7-6.2 miles, which is the lower boundary of the stratosphere. Troposphere
The outermost region of a planet's atmosphere. Exosphere
It has a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50-600 miles above the earth's surface. Ionosphere
Technical term for ozone layer. Ozonosphere
Colorless unstable toxic gas with a pungent odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen in having three atoms in its molecule. Ozone
Short for chlorofluorocarbon. CFC
Electromagnetic radiation that has a wavelength between that of visible light and that of X-rays. Ultra violet radiation
Elevation especially above sea level or above the earth's surface. Altitude
Earth's air, which is made up of a thin layer of gases, solids, and liquids; forms a protective layer around the planet and is divided into five distinct layers. Atmosphere
The force exerted on a surface. Pressure
Energy transferred by waves or rays. Radiation

## Electromagnetic Spectrum Crossword

Type
Crossword
Description

Part of the electromagnetic spectrum that has the longest wavelength Radio Wave
Distance from a center line to the top of a crest or the bottom of a trough Amplitude
The distance between crests of a wave Wavelength
Allows us to see the colors of the stars Visible Telescope
Detect wavelengths emitted from hot stars Ultraviolet telescope
Our biggest evidence that the universe is expanding and the big bang happened Red Shift
A theory our universe began as a single atom and began a violent expansion at the speed of light Big Bang
Helps us detect black holes Xray telescope
Detects what an item is made up of Visible Color
Part of the electromagnetic spectrum that has the highest frequency Gammaray
Form of energy that is all around us and takes many forms ERM
Range of all types of radiation. EM Spectrum
These detect infrared rays of heat Infrared Telescope
One Earth Year Revolution
Number of waves passing a point in a certain time. Frequency
Energy being emitted from a source Light

## Waves, Sound, and Light Crossword

Type
Crossword
Description

A wave that requires a medium through which to travel mechanical wave
A wave that moves the medium in a direction prependicular to the direction in which the wave travels transverse wave
A wave that moves a medium in a direction parallel to the direction in which the wave travels longitudinal wave
The highest part of a transverse wave crest
The part of a longitudinal wave where the particles of the medium are close together compression
The part of a longitudinal wave wheree the particles of the medium are far apart rarefaction
The number of complete waves that pass a givin point in a certian amount of time frequency
The lowest part of a transverse wave trough
The distance between two corresponding parts of a wave wavelenght
Electromagnetic waves with the longest wavelenghts and lowest frequencies radio waves
Radio waves with the shortest wavelenghts and the highest frequenies microwaves
Electromagnetic waves with the wavelenghts shorter than radio waves but longer than visible light infrared rays
Electromagnetic waves that are visible to the human eye visible light
Electromagnetic waves with the wavelenghts shorter tahn visible light ,but longer than X-rays Ultraviolet rays
Electromagnetic waves with wavelenghts shorter than ultraviolet rays, but longer than gamma rays X-rays
Electromagnetic waves with the shortestwavelenghts and highest frequencies gamma rays
Transverse wave that transfer electrical and magnetic energy electromagnetic wave
The change in frequency of awave as its source move in relation to an observer Doppler effect
The material through which a wave travels medium
An image that shows regions of different temperatures in different colors thermogram

## PS.9 Light Energy Crossword

Type
Crossword
Description

separating a beam of light into its component parts Diffraction
The ability to cause change Energy
The number of wave crests that pass a given point during one second Frequency
Electromagnetic wave that have a wavelength slightly longer than visible light Infrared radiation
a tiny particle like bundle of radiation Photon
electromagnetic waves that have long wavelengths Radio waves
occurs when a wave hits an object and bounces off Reflection
the bending of waves, caused by the wave changing speed Refraction
a type of wave in which the medium moves at right angles to the direction the wave is traveling Transverse waves
electromagnetic waves having a wavelength shorter than ultraviolet radiation X-ray