Introduction
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What Fundamental units of measurement do we use? | inchces, pounds, seconds
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| Definition of Work? | applying a force over a distance
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| Definition of Momentum? | product of mass of an object x velocity (speed)
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| Definition of Force? | push or pull exerted on object
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| Definition of Velocity? | speed
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| Definition of Power? | rate of doing work
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| Name the forms of energy. | Chemical, electrical, kinetic, potential, thermal
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| What is chemical energy? | release by chemical reaction
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| What is electrical energy? | movement of e- (current)
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| What is kinetic energy? | energy in motion
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| What is potential energy? | energy at rest
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| What is thermal energy? | from heat
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| State the unit of measurements of temperature? | F , C, Kelvin
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| Definition of x-ray | ionizing electromagnetic radiation
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| Definition of gamma | naturally occurring, comes from within the nucleus
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| Definition of alpha | heavy, absorbs by a piece of paper
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| Definition of beta | high speed e-, that will penetrate up to 5cm of skin
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| Definition of valence | determines chemical binding ability of atom
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| What are types of chemical bonding and definition | 1.) covalent bond = sharing of a e- 2.) ionic bond = attraction between 2 ions
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| Definition of electromagnetic energy and examples | oscillating electric and magnetic fields that travel in a vacuum with the velocity of light. EXAMPLES = x-ray, gamma
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| Definition of matter and examples | anything that occupies space and has matter.EXAMPLES = solid, liquid, gas
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| Definition of analysis | collect data
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| Definition of synthesis | combination of components to form a connected whole
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| Definition of scientific law | proven idea
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| Definition of element | substance that CAN'T be broken down any further without changing its chemical properties
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| Definition of atom | smallest particle that has all the properties of an element
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| Definition of compound | amount of a molecule
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| Definition of ionization | when an atom has too many or too few electrons
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| Definition of octet | if an element has exactly 8 e- in outer most shell, it is considered stable
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| What is atomic #? | # of protons in the nucleus (Z#)
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| What is atomic mass? | # of protons and neutrons in the nucleus (A#)
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| Definition of a nucleon | proton and neutron in the nucleus
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| Definition of isotope | same atomic # (Z#), but different atomic mass (A#)
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| What is the horizontal and vertical portion of the periodic table called? | * vertical= family (group 1-8)* horizontal = period
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| What is the family on the periodic table? | same chemical properties
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| What is the period on the periodic table? | same # of electron shells, but different chemical properties
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| What is LET? | linear energy transfer = measure of the rate of which energy is transferred ionizing radiation to soft tissue
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| What is curie (bq)? | * curie = conventional unit of measurement of radioactivity* bq = standard unit of measurement of radioactivity
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| What is physical half-life? | amount of time it takes for radioactive source to reduce to ½ of initial intensity
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| What is biological half-life? | amount of time of radioactive source in the BODY to reduce by ½ of initial intensity
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| State the Laws of Conservation of Energy & Matter | matter can neither be created nor destroyed, but changed from one form to another
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| State the formula to compute # of e- permitted per shell | 2n(2)
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| What are the 4 causes of ionization? | 1.) Exposure of matter to x-ray or gamma (happens in pt body)2.) Exposure of matter to stream of e- (happens in tube)3.) Exposure of certain elements to light (in IRD & film screen crystals)4.) Spontaneous breakdown of a radioactive element
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| What is Physics? | study of matter and energy and interactions of energy and matter
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| What is Chemistry? | study of interactions of matter
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| How many sV per rem? | 1 sV = 100 rem
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| How many R per gy? | 100 R = 1 gy
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| What is the Conventional unit of measurement? | rem, rad, R
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| What is the Standard international unit of measurement? | gy, sV, C
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| Newton’s Law of Motion | Inertia = property of matter that acts to resist a change in its state of motion * Force = mass x acceleration (push or pull) * for every action there is an equal and opposite reaction
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Created by:
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