Type
Word Search
Description

carbon dating
cancer therapy
electron mass
neutron mass
proton mass
combine
split
gamma
beta
alpha
penetrating power
ground state
excited state
protons
half life
radioactive decay
atomic weight
Fission
Fusion
neutrons

Nuclear Energy and Radioactive Materials Crossword

Type
Crossword
Description

What is a nuclear reaction that causes a nucleus to split into two or more pieces and releases neutrons and energy? fission
What is a continuous series of nuclear fission reactions? chainreaction
What is a nuclear reaction in which two light nuclei fuse together under extreme temperatures to form heavy nuclei and releases energy? fusion
Alpha decay, Beta decay, and gamma decay are all types of what? radioactive decay
What results in a new element with 2 less than the original atomic number and 4 less than the original mass number? Alpha decay
What are fast moving negative electrons that have the same mass as an electron? Beta particle
Alpha particles, Beta particles, and Gamma rays all produce what? radiation
Both nuclear fusion and nuclear fission produce what? nuclear energy
The time it takes for one half of a sample of radioactive material to decay is called what? halflife
The electricity produced from a nuclear reaction is called what? Nuclear power
What is positively charged, is made up of 2 protons and 2 neutrons, and the more massive type of nuclear radiation? Alpha particle
What results in the atomic number increasing by 1 and the mass staying the same from its original value? Beta decay
What is a type of radioactive decay that does not change the mass number or the atomic number of an atom? gamma decay
The changing of one element into another by radioactive decay is called? Transmutations
Too many protons and neutrons can cause a nucleus to become what? unstable
Fusion is the power scource for what? stars
The 2 factors that depend on risk of damage from radiation are the type of radiation and the amount of what? exposure
The human body has evolved to withstand what type of radiation? background
Nuclear energy is a _____, long term solution for producing power. dependable
What is it called when you have a different number of neutrons than the base atom? isotope
A graph of the number of radioactive parent nuclei remaining in a sample as a function time is called what? decay curve
Where in Ukraine did a devastating nuclear disaster happen that caused the whole area to have high levels of radiation? Chernobyl
What is it called when the number of electrons are different from the number of protons? ion
Using knowledge of half-life to date very old specimen is called what? radiometric dating
What is a form of electromagnetic energy? (symbol:Y) gamma ray
The energy produced from a nuclear power plant can be used to make what? electricity
A ___ nuclear ____ causes protons and neutrons to attract to one another strong force
A factor of ____ _____ is the proton/neurton ratio nuclear stability
Who made the famous, mass-energy equation?(E=mc^2) Einstein
____ is one of the risks from being exposed to high levels of radiation cancer

Nuclear Chemistry Vocabulary Crossword

Type
Crossword
Description

The ability of radiation to pass through matter Penetrating Power
Isotopes of atoms with unstable nuclei Radioisotope
A form of high energy electromagnetic radiation emitted from some materials that are in an excited electron state X-Ray
High energy radiation that accounts for most of the energy lost during radioactive decay Gamma Ray
Radiation that is made up of alpha particles and is deflected toward a negatively charged plate when radiation from a radioactive source is directed between two electrically plates Alpha radiation
Radiation that is made up of beta particles and is deflected toward a positively charged plate when radiation from the radioactive source is directed between two electrically charged plates Beta radiation
A radioactive decay process that occurs when an atom's nucleus draws in a surrounding electron, which combines with a proton to form a neutron, resulting in an x-ray photon being emitted Electron capture
The time required for one-half of a radioisotope's nuclei to decay into its products Half-life
Protons and neutrons Nucleon
A particle that has the same mass as an electron but an opposite charge Positron
A radioactive decay process in which a proton in the nucleus is converted into a neutron and a positron, and then the positron is emitted from the nucleus Positron emission
A series of nuclear reactions that starts with an unstable nucleus and results in the formation of a stable nucleus Radioactive Decay Series
The process that is used to determine the age of an object by measuring the amount of a certain radioisotope remaining in that object Radiochemical dating
A force that acts on subatomic particles that are extremely close together and overcomes electrostatic repulsion among protons Strong Nuclear force
A reaction in which an atom's atomic number is altered Transmutation
A nuclear reactor that is able to produce more fuel than it uses Breeder reactor
The minimum mass of a sample of fissionable material necessary to sustain a nuclear chain reaction Critical mass
The difference in mass between a nucleus and its component nucleons Mass defect
The splitting of a nucleus into smaller, more stable fragments, accompanied by a large release of energy Nuclear Fission
The process of binding smaller atomic nuclei into a single, larger, and more stable nucleus Nuclear fusion
A nuclear fusion reaction Thermonuclear reaction
The process in which nuclei are bombarded with high-velocity charged particles in order to create new elements Induced Transmutation
An element with an atomic number of 93 or greater on the periodic table Transuranium element
Radiation that is energetic enough to ionize matter it collides with Ionizing Radiation
An isotope that emits non-ionizing radiation and is used to signal the presence of an element or specific substance Radiotracer

Nuclear Chemistry Word Search

Type
Word Search
Description

radiotracer
ionizing radiation
transuranium element
induced transmutation
thermonuclear reaction
nuclear fusion
mass defect
critical mass
breeder reactor
transmutation
strong nuclear force
radiochemical dating
radioactive decay series
positron emission
positron
nucleon
half life
electron capture
beta radiation
alpha radiation
gamma ray
xray
radioisotope
penetrating power

Nuclear Physics Crossword

Type
Crossword
Description

Force that holds the nucleus of an atom together StrongForce
Force that acts on large bodies such as planets and stars Gravity
Two Nuclei combine to produce a nuclei with more mass Fusion
The most penetrating radiation, created the fictional "Hulk" GammaRadiation
Very small particle that carries strong force Gluon
Nuclear force that leads to beta decay WeakForce
A radio-isotope that emits non-ionizing radiation and is used to signal the presence of an element or specific substance Radiotracer
Can block alpha particles paper
Splitting of an atom of one element into an element of another atom Fission
The amount of energy needed to bind an element together BindingEnergy
The force that causes attraction between protons and electrons and repulsion between charges of the same kind ElectromagneticForce
Uses a phosphor detector to detect radiation and emits a bright light GeigerCounter
Particles emitted from a radioactive source, there are several types of these Radiation
Can block gamma radiation Lead
Particle with the mass of an electron but has a positive charge Positron
Mass needed to make a fission or fusion reaction work CriticalMass
Helium nuclei that have been emitted from a radioactive source AlphaParticle
Can block beta particles Plastic
Name of a city in which an atomic bomb was dropped on in WWII Hiroshima
Last name of the man who created the equation E=mc^2 Einstein
The amount of time for half of a substance to undergo radioactive decay HalfLife
Bomb made using the fusion of hydrogen into helium HydrogenBomb
Bomb made using the fission of uranium atoms AtomicBomb
Happens when a nuclear power plant explodes Meltdown
Radioactive isotopes can be used for medical ______________. Imaging

Radiation Word Search

Type
Word Search
Description

radon
background
charge
plumpudding
Rutherford
geiger
tracer
xrays
ionising
fission
fusion
isotope
radioactive
beta
gamma
alpha
helium
electron
neutron
proton
atom
Radition

Radioactivity Crossword

Type
Crossword
Description

who proposed the Bohr model in 1913 Niels Bohr
Who created E=mc2(squared) which is mentioned in the atomic bomb Albert Einstien
Who was the first woman to win the Nobel Prize Marie Curie
The emission of an Alpha particle from the nucules of an atom Alpha
The emission of a beta particle from the nucules of an atom Beta
The emission of a high-energy wave from the nucules of an atom gamma
A particle of an atom with a positive charge proton
A particle of an atom with a negitave charge electron
A particle of an atom with no charge neutron
the process of emmiting radiant energy in the form of waves or particles radiation
splitting a nuculeus nuclear fission
The action of splitting somethin in two or more parts fission
the act of joining two or more things togrther fusion
a divice that gets its destructive force from nuclear reactions nuclear weapons
the use of nuclear reactions that releace nuclear energy to create heat nuclear power

Nuclear Physics Word Search

Type
Word Search
Description

alpha decay
fusion
fission
isotope
mass defect
atomic weight
neutron
proton
gamma decay
nuclear decay
atomic number
atomic mass unit
beta decay
nucleon

nuclear chemistry Crossword

Type
Crossword
Description

the process in which an unstable atomic nucleus emits charged particles and energy radioactivity
any atom containing an unstable nucleus radioisotope
charged particles and energy that are emitted from the nuclei of radioisotope nuclear radiation
a positively charged particle made up of 2 protons and 2 neutrons alpha particle
an electron emitted by an unstable nucleus beta particle
a penetrating ray of energy emitted by an unstable nucleus gamma ray
occurs naturally on the environment background radiation
the time required for 1/2 of a sample of a radioisotope to decay halflife
the conversion of atoms of one element to atoms of another transmutation
elements with atomic number greater than 92 transuranium elements
a subatomic particle theorized to be among the basic units of matter quark
the attractive force that bonds protons and neutrons together in the nucleus strong nuclear force
the splitting of an atomic nucleus into smaller parts fission
neutrons released during the splitting of an initial nucleus trigger a series of nuclear fission chain reaction
the smallest possible mass of a fissionable material that can sustain a chain reaction critical mass
a process in which the nuclei of 2 atoms combine to form a larger nucleus fusion
a state of matter in which atoms have been stripped of their electron plasma

Nuclear Crossword

Type
Crossword
Description

Positively charged particle emitted by various radioactive materials during decay. It consists of two neutrons and two protons Alaphaparticle
Smallest particle of an element which cannot be chemically divided any further. Atom
Electron with positive or negative charge emitted by a nucleus or elementary particle during beta decay or produced by a nuclear reaction Beta particle
an X-ray image made using computerized axial tomography. CAT scan
The spontaneous conversion of a nuclide into another nuclide or into another energy state of the same nuclide. Decay
Chemical base material which cannot be chemically converted into simpler substances. Element
Formation of a heavy nucleus from lighter nuclei releasing energy - the binding energy. Fusion
Fission of an atomic nucleus into two parts of the same size caused by the collision of a particle. Fission
Highly-energetic, short-wave electromagnetic radiation emitted from the nucleus of an atom. Gamma radiation
The period during which half of the nuclei decay in a quantity of radionuclides. Half-life
Element or compound made radioactive for easy tracing in biological, chemical and industrial processes. Indicator
Non-flammable gas, e.g. CO2, nitrogen, noble gases. Inert gas

Physics Crossword

Type
Crossword
Description

Number of protons Atomic number
Unit of mass Atomic mass unit
Protons + Neutrons Mass number
Nucleus of an isotope Nuclide
Binds the nucleus Strong nuclear force
Protons and neutrons Nucleons
Equivalent to mass defect, always negative Binding energy
Nucleons - actual mass Mass defect
Penetrating rays produced Radioactive
Alpha particle emitted Alpha decay
Neutron converted to proton Beta decay
Redistribution of energy in nucleus Gamma decay
Number of protons and neutrons changes Nuclear reaction
Divide by 2 Halflife
Decays per second Activity
Divide the nucleus Fission
Continuous fission Chain reaction
Combine nuclei Fusion
Make up nucleons and pions Quarks
Particle family Leptons
Explains particle families Standard Model
Transport forces Force carriers
Energy into antimatter Pair production
Acts in the nucleus in beta decay Weak nuclear force