Type
Crossword
Description

What is the name of the organ that pumps blood around the body? Heart
Name of the gas we use for respiration? Oxygen
Part of the digestive system that absorbs nutrients Intestines
What is produced if two hydrogen and one oxygen combine? Water
These help a reaction to happen faster (Act as a catalyst) Enzymes
This force keeps us on the ground? Gravity
The positive part found in an atom? Proton
The negative part found in an atom? electron
Three types of radiation... Alpha, Beta & .... Gamma
A type of non-renewable resource Coal
The scientific name for the energy that comes from the sun Solar
Second planet closest to the sun Venus
What state of matter is water? Liquid
The reason the sea levels are rising? Climate Change
A list of all the elements known? Periodic Table

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

Atomic Structure Crossword Puzzle

Type
Crossword
Description

The smallest unit of an element that maintains the properties of that element. Atom
A subatomic particle that has no change and that is found in the nucleus of an atom. neutron
A region around the nucleus of an atom whose electrons are likely to be found. electron cloud
A unit of mass that describes the mass of an atom or molecule. atomic mass unit
An atom's central region, which is made up of protons and neutrons. nucleus
An atom that has the same number of protons/atomic number as other atoms of the same element do but that has a different number of neutrons/atomic mass. isotope
The mass of an atomn expressed in atomic mass units. atomic mass
A subatomic particle that has a positive charge and that is found in the nucleus of an atom. proton
A subatomic particle that has a negative charge. electron
The sum of the number of protons and neutrons in the nucleus of an atom. mass number
The number of protons in the nucleus of an atom; the atom's number is the same for all atoms of an element. atomic number
Plays in radioactive atoms that changes a neutron to a proton or electron. weak force
A type of physical that occurs between electrically charged particles. electromagnetic force
The force that holds particles together in the atomic nucleus. strong force
A force that attracts any objects with mass. gravitational force

Unit 3 Crossword Puzzle

Type
Crossword
Description

Negative charge of an atom electron
Center part of an atom that holds protons and neutrons nucleus
Positive charge of an atom Proton
Neutral Charge of an atom Neutron
Area in an atom where an electron is found Electron Cloud
Substance that cannot be broken down into smaller parts Element
Number or protons in an atom Atomic number
Atoms of the same element that have different amounts of neutrons Isotopes
Average mass of an element's isotopes Average Atomic Mass
Chart that shows the elements Periodic Table
When 2 or more elements combine Compound
Atom that is no longer neutral because of gained/lost electrons Ion
Chemical bond by sharing of valence electrons Covalent Bond
Chemical Reaction that releases energy exothermic
Chemical reaction that absorbs energy endothermic
Substance that speeds up a chemical reaction catalyst
Symbol for Iron FE
Vertical columns on the Periodic Table are called families
Horizontal rows on the Periodic Table are called periods

Digestion Crossword

Type
Crossword
Description

A biological catalyst Enzyme
Pipe from mouth to stomach oesophagus
Breaks down starch amylase
Test for starch with this element iodine
Chewing is an example of what type of digestion? physical
A test for glucose Benedicts
These enzymes break down proteins protease
The name given to muscle contractions that force food through the digestive system peristalsis
These increase the surface area in the small intestine villi
Enzymes are responsible for this type of digestion chemical
Enzymes that digest fat lipase
This part of the intestine is no longer used in humans appendix
If amino acids are the monomers, what is the polymer? protein
What is absorbed in the large intestine? Water
This substance is made by the liver and helps dissolve fat bile
Faeces is stored here before egestion via the anus rectum

Renewable and Nonrenewable Resources and Diffrent types of Energy Crossword

Type
Crossword
Description

The ability to do work or bring about change Energy
How much atoms and molecules are moving in this resource Thermal
A organic matter that can be used as an energy source Biomass
Waterfalls can help can with this type of renewable energy Hydropower
This type of resource is NOT bad for the environment and it comes from the sun(2 words) Solarenergy
Uneven heating of the Earth's surface can cause this Wind
It is made from carbon dioxide plant matter Coal
This is found as a gas and it makes your grill run Propane
Our school uses this type of renewable resource(2 words) Geothermalenergy
This is made in fossil fuel(2 words) Naturalgas
All livings this have at least one of these Cell
To use again Recycle
This is harmless energy to the Earth (2 words) Windturbine
The law of _______________ of energy Conservation
A natural gas resource that can be replaced in nature at the same rate it is produced Renewable
Energy that humans use to meet their needs(2 words) Naturalresources
Resource that exists in a fixed amount Nonrenewable
Creates electrics through heat; low risk to the environment Uranium
The amount of useful energy (2 words) Energyconservation

Energy Resources Crossword

Type
Crossword
Description

This type of energy cannot be reproduced as fast as it is used. nonrenewable
The ability to do work is? Energy
This is a renewable form of energy that is powered by moving water. Hydroelectric
A black, rock-like fossil fuel. Coal
The Earth's main source of energy Sun
Another name for oil Petroleum
Energy produced by the sun solarenergy
Energy that splits atoms, creates steam, and turns turbines Nuclearenergy
Energy that comes from heat and magma underground Geothermal
A mixture of methane and other gases Naturalgas

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 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

Matter, Physical and Chemical and Energy Crossword

Type
Crossword
Description

a homogeneous mixture of gases air
the smallest particle of an element that still has the properties of the element atom
a homogeneous mixture of metals primarily copper and zinc bronze
a chemical change when something reacts rapidly with oxygen burning
a force which a liquid exerts upward on objects bouyant
tarnishing is an example of this type change chemical
a form of carbon, it is an unrenewable source of energy coal
Milk is an example of this type mixture. This type mixture can scatter light. Colloid
What matter is made of. It is fixed for a pure substance Composition
A pure substance made up of two or more elements chemically combined compound
Changing of a vapor into a liquid Condensation
For water to condense, the temperature must _______________. Decrease
A chemical reaction when a material begins to breakdown into simpler substances Decomposition
Mass divided by volume, this is a physical property density
A chemical reaction when matter starts breaking down. Decay
As a liquid is heated, it changes from a liquid to a vapor boiling
Energy fuels which are not renewable Fossil
A physical change when liquid slowing changes to a vapor evaporation
Energy is converted to this when magnets rotate in a generator Electricity
A pure substance made up of only one type atom element
When water freezes it _____________ expands
A colloid composed of dust particles and water droplets Fog
The heat required to convert a solid to a liquid is called the Heat of ________________ Fusion
To ____________ is to convert a liquid to a solid Freeze
This from of matter has particles moving very rapidly, has no definite shape and no definite volume Gases
A heterogeneous mixture when several types of rock present Granite
A mixture in which you can see the various parts heterogeneous
A mixture such as a solution where everything looks the same homogeneous
As temperature increases, the kinetic energy of the molecules __________________. 'increases
As kinetic energy increases, the _______________________________ increases temperature
A temperature increase indicates a/an _____________________ in kinetic energy Increase
The energy of motion Kinetic
A solid _______ when heat is added, turning into a liquid melts
The source of geothermal heat magma
the source of solar energy sun
a homogeneous liquid coolade
a state of matter with moderately fast moving particles and no definite shape liquid
One of the two types of matter, It is not chemically combined and does not have a definite fixed comnposition mixture
The smallest particle of a compound molecule
Per the Kinetic Molecular Theory, particles are in constant _____________ MOTION
When matter reacts with oxygen it is said to ____________________ oxidize
Another nonrenewable fuel petroleum
Changes which do not produce a new substance Physical
When iron reacts with oxygen , this chemical change is called ________________ rusting
A chemical change occurs when wood _______ rots
A compound containing sodium and chlorine salt
a heterogeneous mixture sand
A state of matter where the particles are very close together and move very slowly soild
A physical property defined as the quantity of matter present. mass
If this word is used, it will always result in a chemical change reacts
a homogeneous mixture solution
To change directly from a solid to a vapor sublimation
The heat added to change a liquid to a vapor id heat of _________________ vaporization
The effect of shining a light through a colloid or suspension Tyndall
Another name for a gas vapor
This liquid expands when it freezes water
the resistancce of a liquid to flowing viscosity
the amount of space matter occupies volume
a solid less dense than water will ___________ float

Periodic Table Puzzle Crossword

Type
Crossword
Description

What are positively charged particles of the atom? protons
What are negatively charged particles of an atom? electrons
What particle of anatom has no charge? neutrons
Where are protons found? nucleus
Where are electrons found? electron clouds
An _______ is an atom that has the same number of protons but a different number of neutrons as other atoms of the same element. isotope
The ____ ______ is the total number of protons and neutrons. mass number
What detrmines the identity of an atom? atomic number
What is an average of the masses of all naturally occuring isotopes of an element? Atomic mass
The electrons in the outermost energy level of an atom are called _______ _________. valence electrons
Alkali Metals only have ___ valence electron? one
Valence electrons determine the _____ of which an element si placed. group
Lithium is a? alkali metal
Is Flourine a metal or nonmetal? nonmetal
A ______ loses an electron and becomes positively charged. cation
A _____ gains an electron and becomes negatively charged. anion
A row of elements is called a ______. period
What are charged particles that form during chemical changes? ions
What is it called when 2 atoms of nonmetals bond? covalent bonding
What is it called when a metal reacts with a nonmetal? ionic compounds