Type
Crossword
Description

This crossword contains the following questions and answers:

What is the biggest planet in the solar system? Jupiter
What is the chemical symbol for the element oxygen? O
Another name for a tidal wave is a? Tsunami
True or false? Dogs are herbivores. False
What is the 7th element on the periodic table of elements? Nitrogen
What is the name of the long appendage that hangs from an elephants face? A trunk
True or false? DNA is the shortened form of the term ‘Deoxyribonucleic acid’ True
What is the highest mountain on earth is? Mount Everest
What is the name of the closest star to the earth? The Sun
True or false? Frogs are cold blooded animals. True
What is the name of the element with the chemical symbol ‘He’? Helium
The fear of what animal is known as ‘arachnophobia’? Spiders
Pure water has a pH level of a around? Seven
The molten rock that comes from a volcano after it has erupted is known as what? Lava
True or false? Yogurt is produced by bacterial fermentation of milk. True
What is the name of the part of the human skeleton which protects our brain? Skull
Is the compound ‘HCl’ an acid or base? hydrochloric acid
True or false? The fastest land animal in the world is the zebra. False
How many bones do sharks have in their bodies? Zero
What famous scientist was awarded the 1921 Nobel Prize in Physics for his work on theoretical physics? Albert Einstein

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Air Pollution/Global Warming Crossword Puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

A type of rain that is caused by air pollution ACID RAIN
Methane, CO2, Hydrogen, and Fluorine are what type of gasses GREENHOUSE GASSES
This was enacted in 1963, by the 88th US Congress CLEAN AIR ACT
Can air pollution affect humans? True or False? TRUE
Can Air pollution affect animals? True or False? TRUE
40% premature deaths caused by air pollution were in ____? CHINA
China, along with India, contains over 50% of the world’s sources of ____ pollution AIR
Air pollution kills over _____ million people each year SEVEN
What is the abbreviation of the government agency that protects the environment? EPA
Acid rain harms vegetation and _____ life? WATER
Air pollution can affect your ______ system IMMUNE
The Pollution Prevention Act, is an act that limits the amount of ______ that the industries are releasing into the enviroment GASSES
The Clean Air Act works alongside the experts at ___ to reduce and regulate emission of greenhouse gasses RFF
Chronic respiratory disease, lung cancer, heart disease, damage to the brain, and COPD are examples of ____ term effects LONG
Acid rain is an effect on the __________ ENVIRONMENT
Would visability increase or decrease due to air pollution DECREASE
Burning ______ _____ is a cause of air pollution/global warming FOSSIL FUELS
Air pollution can cause us to have an upper respiratory disease called ______ ASTHMA
The government of the US and the world have enacted policies and created agencies to regulate the quality of the ___ AIR
Air Pollution/Global Warming can cause ozone _________ DEPLETION

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Biology Vocabulary Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

what is the basic unit of a chemical element? atom
what is a substance consisting of atoms which all have the same number of protons? element
what is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound? molecule
what is a chemical bond formed between two ions with opposite charges? ionic bond
what is a chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms? covalent bond
What is a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom? Hydrogen bond
What is the sticking together of alike molecules, such as water molecule being attracted to another water molecule? Cohesion
What is the force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies? Adhesion
What is a measure of the hydorgen ion concentration of a solution? pH
What is a molecule that can combine with others of the same kind to form a polymer? Monomer
What are large molecules composed of many similar smaller molecules linked together ? Polymer
What is a large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight ? Macromolecule
What are molecular compounds made from just three elements: carbon, hydrogen and oxygen.? Carbohydrate
What is a series of sweet-tasting, crystalline carbohydrates, especially a simple sugar or a chain of two or more simple sugars? Saccharide
what is an organic molecule of biological origin that is insoluble in water and soluble in non-polar solvents ? lipid
What is a molecule composed of polymers of amino acids joined together by peptide bonds.? protein
What are the building blocks of all biological proteins ? Amino acid
What are proteins that act as catalysts within living cells ? Enzyme
What is a substance capable of initiating or speeding up a chemical reaction? catalyst
What is a model that assumes an enzyme and substrate have a rigid interaction with each other, where a substrate fits in a key-like fashion to its lock, the enzyme, turning on the reaction ? Lock and key model
What are acids consist of either one or two long chains of repeating units called nucleotides, which consist of a nitrogen base attached to a sugar phosphate? nucleic acid
what is a chemical reaction that builds up molecules by losing water molecules ? dehydration systhesis
What is a chemical reaction in which two molecules combine to form a larger molecule with the elimination of a small molecule ? condensation reaction

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Chemical Reactions Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

A chemical reaction that requires heat Endothremic
The law that states that energy cannot be created or destroyed but can be change another LCE
The minimum amount of energy required to start a chemical reaction Activation Energy
A substance that slows down or stops a chemical reaction Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed very much Catalyst
A chemical reaction in which heat is released to the surroundings Exothermic
A combination of chemical symbols and numbers to represent a substance Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance or molecule that participates in a chemical reaction Reactant
The substance that forms in a chemical reaction Product
2 or more substances combine to form a new compound Synthesis
A compound decomposes into 2 or more simpler substances Decomposition
1 element replaces another element in a compound Single Replacement

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Chemical Compounds Crossword Puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

Au2O3 gold III oxide
NaBr sodium bromide
Ag2CO3 silver carbonate
Li2SO3 lithium sulfite
N2S dinitrogen sulfide
NCl3 nitrogen trichloride
ZnS zinc sulfide
CaSO4 calcium sulfate
Cr(CO3)3 chromium VI carbonate
Ga2O3 gallium oxide
Na2CO3 sodium carbonate
CCl4 carbon tetrachloride
HCL hydrochloric acid
H2CO3 carbonic acid
H2CrO4 chromic acid

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Chemistry of Life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The basic unit of a chemical element Atom
A substance that cannot be decomposed into simpler substances by chemical means Element
A substance formed when two or more chemical elements are chemically bonded together. Compound
A tiny or very small piece of something Molecule
The sticking together of alike molecules Cohesion
The force of attraction between unlike molecules Adhesion
A substance in which the particles are spread out evenly Solution
Any class of compounds that form hydrogen ions when dissolved in water Acid
A substance that accepts protons from acids Base
Molecular compounds made from just three elements, carbon, hydrogen, and oxygen Carbohydrates
A group of naturally occurring molecules that include fats, waxes, and steroids Lipids
A molecule composed of polymers of amino acids joined together by peptide bonds Proteins
DNA and RNA Nucleic Acid
The building blocks of protein. Only 20 of these. Amino acids
The strength and vitality required for sub stained physical or mental activity Energy
The minimum quantity of energy that the reacting species Activation energy
A substance produced by a living organism that acts as a catalyst to bring about reactions Enzyme
A substance or layer that underlies something or on which some process occurs in particular Substrate
A region on an enzyme that binds to a protein or other substances during a reaction Active site

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Chapter 3 Vocabulary Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the attractive force between two bodies of different substances that are in contact with eachother adhesion
a group of atoms that are held together by chemical forces molecule
the force that holds molecules of a single material together cohesion
an organic compound that consists of sugar, a phosphate, and a nitrogenous base. nucleotide
a value that is used to express the acidity of alkaine of a system ph
a fat molecule or a molecule that has similar properties lipid
an electron that is found in the outermost shell of an atom and that determines the atoms physical properties valence electron
a class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen carbohydrate
Deoxyribonucleic acid DNA
a homogeneous mixture throughout which two or more substances are uniformly dispersed solution
an atom, or molecule that has gained or lost one or more electrons and has a negative or positive charge ion
adnesoine triphosphate atp
ribonucleic acid rna
the smallest unit of an element that maintains the chemical properties of that element atom
a substance made up of atoms of two or more different elements joined by chemical bonds compound

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Global Warming Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

An increase in Earth's Global Temperature Global Warming
The most abundant gas in the air we breathe. Nitrogen
The trapping of heat in the atmostphere Greenhouse effect
Strong acids such as nitric acid or sulfuric acid that fall to earth Acid rain
What happens to earth's average temperature due to the greenhouse effect? Increases
Chlorine containing chemicals that cause the thinning of the ozone layer chlorofluorocarbons
Increasing amounts of this gas is associated with global warming Carbon dioxide
The main source of air pollution is the burning of Fossil fuels
A haze of pollutants that hangs in the air above many cities Smog
Depletion of this atmosphere layer increases Earth's exposure to UV radiation ozone layer
The three invaluable resources are land, air, and ____________ Water
True or false: acid rain can damage statues and destroy forests true

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EVIDENCE OF EVOLUTION Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock. Fossils
make (something) suitable for a new use or purpose; modify. Adapt
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. Species
the process of developing or being developed. Development
the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries. Geography
having the same or a similar relation; corresponding, as in relative position or structure. HomologousStructure
in genealogy, any person to whom two or more persons claim descent; also, the most recent ancestral form or species from which two different species evolved. CommonAncestor
structures are similar or resembling in certain respects, in function or in appearance but not in evolutionary origin or developmental origin. AnalogousStructure
relying on or derived from observation or experiment. Empirical
an individual animal, plant, or single-celled life form. Organism
deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. DNA
a distinctive attribute or aspect of something. Features
any of the pieces of hard, whitish tissue making up the skeleton in humans and other vertebrates. Bones
a period of ten years. Decades
the arrangement of and relations between the parts or elements of something complex. Structure
an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species. VestigialStructure
the branch of biology and medicine concerned with the study of embryos and their development. Embryology
The investigation and comparison of the structures of different organisms. ComparativeAnatomy
an English naturalist and geologist, best known for his contributions to the science of evolution. CharlesDarwin
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth. Evolution

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Chapter 2 chemistry of Life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

What are substances that cannot be broken down into smaller substances Elements
The quantity of matter in an object mass
Attractive forces that hold atoms together chemicalbonds
the simplest part of substance that retains all of the properties of that substance. molecule
atoms of the same element, but have different number of neutrons isotopes
made up of atoms of two or more elements in fixed proportion compound
tHree-dimensional region around a nucleus orbital
chemical symbol of H is this element. Hydrogen
Force produced by gravity on an object weight
the central region nucleus
The number of protons in an atom is also called... atomic number
Negatively charged particles electrons
A type of bond that occurs when positively and negatively charges attract each other. ionic
Fe is the chemical symbol for this element Iron
Sodium's symbol, Na is derived from the Latin word _____________. natrium

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Atomic Structure and the Periodic Table Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The "outer energy shell" of and atom valence
Electrons are "shared" in this type of bond. covalent
Electrons are "stolen" in this type of bond. Ionic
The smallest unit of matter with all the properties of that substance. atom
This matches the number of protons in an atom. atomicnumber
A neutron has a ___________________ charge. neutral
"Like" electric charges ____________________ each other. repel
A combination of one or more atoms. molecule
The location around the nucleus where electrons orbit. electroncloud
A charged particle. ion
A "Family" of elements that do not typically react with other elements. Noblegases
The "Family" of elements that are very reactive. halogens
Characteristics that are measurable or observable are called physical _____________. properties
Subtract the atomic number from the atomic mass to find the number of _________________. neutrons
Electrons have a ______________________ charge. negative
Protons have a _________________________ charge. positive
An abreviated way to name an element. Chemicalsymbol
Other than hydrogen and helium, the number of electrons needed to fill the valence shell. eight
The center of an atom where the protons and neutrons are located. nucleus
An element that can have a variable number of neutrons in its nucleus. isotope
Atoms with full outer energy shells are known to be _______________. stable
A group of elements with similar properties are known as a _________________. family
Reactivity is a ______________________ property. chemical
The elements are organized into this grid. periodictable
When elements react they form new _____________________. substances
This element is found in all organic matter and has four valence electrons. carbon
NaCl is the ___________________________ for salt. chemicalformula
Each ___________________ on the periodic table represents the number of valence electrons in an element. column
Each __________ on the Periodic Table represents the number of "energy levels" an element has. row
The "electronic connections" between elements in a molecule. bonds

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