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DID YOU EVER WONDER: IDS 1999 ALYSSA ARENA EMILY FERRO NATALIA POSADA Are X-Rays Safe?
X-Rays Allows us to see inside the human body since 1895 Invented by accident Wilhelm Roentgen Experimenting with electron beams in a gas discharge tube
How X-Rays Work Electromagnetic energy carried by photons Produced by movement of electrons in atoms Shorter wavelength of higher energy
How X-Rays Work (cont..) Soft tissue doesn't show up clearly Contrast media liquids absorb X-rays more effectively X-ray light sets off the chemical reaction
Why Do We Use X-Rays Medicine Airport Security Research : Quantum mechanics theory Crystallography Cosmology
Dangers/ Precautions Radiation sickness Most useful inventions of all time. Lead shield- cant penetrate
So Are They Safe? Yes
How Do X-Rays Work By: Carrie Lisle. Discovery of the X-ray Original inventor- A. W. Goodspeed on February 22, 1890 Had no information or proof, didn’t.
Light Unit David B. Brown 6C. Wave Definitions There is the crest, the point at the top The trough, the point at the bottom, (opposite of crest) Medium.
WAVES IN ACTION The Electromagnetic Spectrum What Is The Electromagnetic Spectrum? We are all familiar with LIGHT Light is part of the EM spectrum –
© Boardworks Ltd of 30. © Boardworks Ltd of 30.
X-RAYS. What is Bone X-ray (Radiography)? An x-ray (radiograph) is a painless medical test that helps physicians diagnose and treat medical conditions.
LIGHT and COLOR © 2000 Microsoft Clip Gallery. Albert Einstein.
Waves and Energy Physics, Grade 8. Types of Waves Mechanical Waves need matter (medium) to travel through Mechanical Waves need matter (medium) to travel.
X-rays were discovered in 1895 by Wilhelm Conrad Röntgen, who received the first Nobel Prize in Physics in Several important discoveries have.
X-Rays In Medicine Noadswood Science, X-Rays In Medicine To know how x-rays are used in medical physics Sunday, October 05, 2014.
How atoms produce light
Basic Concept in Radiologic Physics. IONIZATION PROCESS REMOVAL OF AN ELECTRON FROM AN ATOM.
Copyright © Houghton Mifflin Harcourt Publishing Company Unit 3 Lesson 1 The Electromagnetic Spectrum.
Fund BioImag : Interaction of ionizing radiation with matter 1.What is the basis of contrast for x-ray imaging ? 2.By which mechanisms does ionizing.
The production, properties and interaction of X- rays Dr. D. Mladenova Maxillo Facial & Radiology Div. WITS DENTAL SCHOOL X-rays and their ability to.
Unit 8 - Medical Physics Nikki Kelso. Aims of this Session Production of and uses of thermographic images Introduce the production of & dangers of using.
Fundamentals of Light. Light Light is not only comprised of the light we can see (visible light), but also other types of light waves, called EM waves.
Waves, Sound, and Light Chapter 3. Bell Work 11/29/10 Please get a new bell work sheet. Write each statement then decide if they are true or false, if.
Atomic Theory Chapter 8 The Composition of the atom.
/ / X-RAY is part of the electromagnetic radiation. X-RAY has a form that similar to ordinary light rays (like infrared.
What do Physicists do in… “ REAL LIFE ” Many work with doctors in the field of Medicine Medicine.
© Boardworks Ltd 2003 KS4 Waves : Dispersion and Electromagnetic radiation.
What is energy? Energy – is the ability to cause changes in matter. Changing states of matter is a good example. Solid LiquidGas Activity.
Atoms, Atoms Everywhere! Atoms, Atoms Everywhere! The History of Atomic Models.
A Range of Frequencies Electromagnetic waves can have a wide variety of frequencies. The entire range of electromagnetic wave frequencies is known as.
1 IGCSE Physics Waves. 2 Lesson 4 – The EM Spectrum Aims: To understand that light is part of a continuous electromagnetic spectrum which includes radio,
-W ilhelm Conrad Roentgen E lectrical discharges in a vacuum tube -C aused a phosphoric screen to fluoresce -F ormed an image of bone -F irst x-ray.
By Will B. Electromagnetic waves The different waves that make up the electromagnetic spectrum are as follows in order of increasing frequency; Radio.
RADIO WAVES, MICROWAVES, INFRARED, VISIBLE, ULTRAVIOLET, X-RAYS, GAMMA RAYS HIGH< wavelength LOW.
Video Field Trip: Fireball 1. How did scientists discover the activity of the sun’s core? 2. How do auroras occur?
X-Rays Wavelength the size of an atom Frequencies above UV.
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