chemical reaction Crossword Puzzles

Rocks and Minerals 2019-11-17

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tarnish or oxidize
melting, cooling and hardening of hot magma
sediment is compacted and cemented together
cycle changed into different types of rocks over time
changed by pressure and temperature
naturally occurring solid from earth
color of a mineral in powder
rocky layer of earth

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layers the layers earth is divided into
reaction chemical reaction
how a mineral reflects light
mineral that has a magnetic force
Scale hardeness of a mineral
resist scratching

14 Clues: resist scratching • tarnish or oxidize • rocky layer of earth • how a mineral reflects light • color of a mineral in powder • reaction chemical reaction • Scale hardeness of a mineral • mineral that has a magnetic force • changed by pressure and temperature • naturally occurring solid from earth • layers the layers earth is divided into • ...

Chemical Bonds 2025-02-20

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when substances interact
electrons in the outermost shell of an atom
bond with a metal and a nonmetal
bond between two metals
set of chemical symbols

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a group of atoms bonded together
a compound or substance
the basic unit of a chemical element
bond with two nonmetals
connection between two surfaces

10 Clues: a compound or substance • bond with two nonmetals • bond between two metals • set of chemical symbols • when substances interact • connection between two surfaces • a group of atoms bonded together • bond with a metal and a nonmetal • the basic unit of a chemical element • electrons in the outermost shell of an atom

Neutralisation and Corrosion Reactions 2023-02-05

Neutralisation and Corrosion Reactions crossword puzzle

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reactants in neutralisation reaction
acid-base reaction
deterioration of a material
the products in netralisation reaction
the electrode where oxidation occurs

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where a substance gains electrons
chemical reaction when a substance comes into contact with oxygen
the electrode where reduction occurs

8 Clues: acid-base reaction • deterioration of a material • where a substance gains electrons • reactants in neutralisation reaction • the electrode where reduction occurs • the electrode where oxidation occurs • the products in netralisation reaction • chemical reaction when a substance comes into contact with oxygen

scizzle 2023-07-16

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the process by which green plants make their own food
the centre of the reflecting surface of the spherical mirror
converts fats into fatty acids
aqueous solution of NaCl
when metal is attacked by substances such as moisture, acids, etc
waste material of transpiration
largest artery in our body
substance which takes part in a chemical reaction

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it produces urine.
upper jaw is called
nutrition in which organism takes in food and breaks it down inside their body
it is a substance which is added to increase the rate of a reaction but never participates in the reaction
reaction in which heat is absorbed by the reactants to form the product
h2 burns with what sound.
when oils and fats become rancid their smell and taste changes it is called

15 Clues: it produces urine. • upper jaw is called • aqueous solution of NaCl • h2 burns with what sound. • largest artery in our body • converts fats into fatty acids • waste material of transpiration • substance which takes part in a chemical reaction • the process by which green plants make their own food • the centre of the reflecting surface of the spherical mirror • ...

The Properties of Matter Crossword 2025-10-10

The Properties of Matter Crossword crossword puzzle

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| A combination of substances that are not chemically joined
| A reaction that gives off heat and light, like a campfire
| A change that makes a new substance
| A mixture where you can see the different parts
| When two or more elements join chemically, they form this
| Everything that has mass and takes up space
| The smallest part of an element
| When metal reacts with air and water, it turns reddish-brown

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| A clue that a chemical reaction has happened: color ________
| A substance made of only one kind of atom
| Another name for a homogeneous mixture
| A clue that a reaction is happening — bubbles form and a _____ is made
| Made of hydrogen and oxygen — a common compound
| A mixture that looks the same all the way through
| The gas we breathe that helps things burn

Unit 2 Vocab 2024-01-16

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reaction a reaction that releases energy
A tool used to measure temperature
what our design cannot or should not do.
symbol Letters that represent an element. They always start with a capital letter. Some are 1 letter, some are 2.
something that is not working in the current design.
Any numbers on the RIGHT of the element symbol. They tell you how many of a specific element there are.
The area around something.

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reaction a reaction that absorbs energy
heater: a system that uses a chemical reaction in order to heat up food.
something that is working well for the current design.
what our design needs to do to be successful.
The best possible solution or outcome.
Temperature is a measurement of the energy of a particle.
Any numbers on the LEFT of the element symbol. Tells you how many of the entire molecule there are

14 Clues: The area around something. • A tool used to measure temperature • The best possible solution or outcome. • reaction a reaction that absorbs energy • reaction a reaction that releases energy • what our design cannot or should not do. • what our design needs to do to be successful. • something that is not working in the current design. • ...

Science Vocab Puzzle 2025-10-16

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Two or more substances mixed to get a new substance with different properties
Two or more substances combine to make a new substance with new properties
A substance or molecule that participates in a chemical reaction
A change of matter from one form to another with no change in chemical properties

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The Mass of an object, no matter how many parts get rearanged
Representation of a chemical change
A solid formed from a change in solution, usually from a chemical change or temp change
A substance or molecule that is formed in a chemical reaction

8 Clues: Representation of a chemical change • The Mass of an object, no matter how many parts get rearanged • A substance or molecule that is formed in a chemical reaction • A substance or molecule that participates in a chemical reaction • Two or more substances combine to make a new substance with new properties • ...

Processing Specimens 2021-10-26

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a method of urinalysis involving the use of plastic strips with pads containing a substance that causes a specific chemicals reaction.
sample specimens with known laboratory values, used prior to processing a patients sample.
a solution(such as water or saline) that reduces the concentrate on of a specimen.
an evaluation of urine by physical chemical, are microscopic testing.
injection of blood cells or blood subsitutes to increase athletic endurance by boosting the bloodstreams oxygen carrying capacity.
also known as biohazard, any biological ask to organisms.
a device that spins a lab specimens at high speeds to separate the samples into their components for testing purposes
an abnormal reaction to or a change resulting from exposure to light.
A method of transportation and distribution of laboratory test results and other documents.

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the chronological documention(paper trail) showing the acquisitions custody, control, transfer, analysis, and disposition of specimens that provide evidence.
samples of legal value in a civil criminal case.
medication for patients who have had chemotherapy that had cancer, also use ilicity by some athletes to boost production of red blood cells and thus increase endurance.
a chemical substance that reacts in specific, predictable ways to detect or synthesize other substances in chemical reaction.
to divide specimens into smaller portions

14 Clues: to divide specimens into smaller portions • samples of legal value in a civil criminal case. • also known as biohazard, any biological ask to organisms. • an evaluation of urine by physical chemical, are microscopic testing. • an abnormal reaction to or a change resulting from exposure to light. • ...

Chemistry Crossword 2015-11-17

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Absorbs heat energy
The smallest part of an element that is representative of that element
The speed of chemical reaction
A pure substance formed when at least one metal and one non-metal combines
Total mass of reactants/Total mass of products
Occurs when oxygen in air reacts with a substance to form a new one and gives off heat
Releases heat energy
Ions with a positive charge
Neutral particles
A new substance produced between reactants
A group of atoms acting as one
A substance that reacts with another substance to create a new substance with different products/properties
Slow chemical change that occurs when in the air reacts with a metal

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Makes place in the cells in your body
Anything on the periodic table that is only made up of one type of atom
Positively charged particles in the nucleus
One or more products can escape
All reactants and all products are accounted for
The average mass of an element in atomic mass units (amu)
A combination of symbols that represent a compound and the amount
A compound formed when two non-metals combine
An atom or a group of atoms that has become electrically charged because it has lost or gained electrons
Ions with a negative charge
Chemical combination of two or more elements in a specific ratio
The amount of proton it has

25 Clues: Neutral particles • Absorbs heat energy • Releases heat energy • Ions with a negative charge • The amount of proton it has • Ions with a positive charge • The speed of chemical reaction • A group of atoms acting as one • One or more products can escape • Makes place in the cells in your body • A new substance produced between reactants • Positively charged particles in the nucleus • ...

Molecular Biology 2017-01-26

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a complex molecule containing the genetic information that makes up the chromosomes
cells of reproduction
fertilized egg that contains chromosomes from both a sperm and an egg
single celled spherical organism
fats
system the body system that includes the lugs and heart
the cell highway
factor all living organism that inhabits an environment
main energy source that cells use for most of their work
reactions occur anytime chemical bond is broken or formed
the basic unit of life
a simple sugar that is an important source of energy
a group of atoms bonded together
a living thing
A segment of DNA on a chromosomes that codes for a specif trait

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anything that has mass and takes up space
cell organelle that stores material such as water salts proteins and carbohydrate
cell division
All of the chemical reactions that occur within and organism
combined with or having undergone a chemical reaction with oxygen
the study of microorganism
a nutrient in food that gets broken down into glucose to provide energy
a rapid reaction between oxygen and fuel source
system the human body system that contains heart,blood,and blood vessel
Nutrients that contain nitrogen as well as carbon hydrogen and oxygen
A tiny cell structure that carries out a specific function within the cell
basal Metabolic rate
a unit to measure the amount of energy contained in foods
factor non living factors including temp,water,and rocks

29 Clues: fats • cell division • a living thing • the cell highway • basal Metabolic rate • cells of reproduction • the basic unit of life • the study of microorganism • single celled spherical organism • a group of atoms bonded together • anything that has mass and takes up space • a rapid reaction between oxygen and fuel source • a simple sugar that is an important source of energy • ...

Anatomy Vocabulary Crossword 2017-08-28

Anatomy Vocabulary Crossword crossword puzzle

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Fat exists as solids in room temperature. Contain only single covalent bonds
lipids containing phosphorus
a substance that speeds up a chemical reaction, but is not used up or changed in the process
one sugar, a building block of carbohydrates.
organic compound made up of carbon, hydrogen, and oxygen. Examples include starches, sugars, cellulose
organic compound containing nitrogen, carbon, hydrogen, and oxygen; a building block of protein
complex substance containing carbon, oxygen, hydrogen, and nitrogen. makes up 10%-30% of cell mass
fats and oils composed of fatty acids and glycerol, the body's most concentrated source of energy
Scale a scale running from 0-14, where it is based on the number of hydrogen ions in a solution

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Fat liquid at room temperature, contain one or more double covalent bonds causing chains to link
group of chemical substances that include certain hormones and cholesterol. Fat is soluble and contain little oxygen
linear chains of carbon and hydrogen atoms with an organic acid group at one end
many sugars, polymer of linked monosaccharides
protein that acts as a biological catalyst to speed up a chemical reaction
steroid found in animal fats, and in many body tissues, which was made by the liver
double sugar
organic molecule that stores and releases chemical energy for use in body cells
blood sugar
substance that releases hydrogen ions when in solution
substance capable of binding with hydrogen ions
organic compound formed of carbon, hydrogen, and oxygen. Examples include fats and cholesterol

21 Clues: blood sugar • double sugar • lipids containing phosphorus • one sugar, a building block of carbohydrates. • many sugars, polymer of linked monosaccharides • substance capable of binding with hydrogen ions • substance that releases hydrogen ions when in solution • protein that acts as a biological catalyst to speed up a chemical reaction • ...

Final Crossword 2021-01-27

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a salt or ester of phosphoric acid
cover body surfaces, line body cavities, and hollow organs; provide many functions but mainly protection
makes own food from sunlight
any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents
chemical fuel for living things
To regulate all body functions
protects and supports the body
Any relationship in which two species live closely together
Amount of living tissue within a trophic level
Particles move from high to low concentration
Soil bacteria converts nitrates into nitrogen gas
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction

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in take of liquids
All organisms in an area plus the nonliving environment
the state of steady internal, physical, and chemical conditions; it helps maintain stability
basic unit of life
use light energy to make two molecules needed for the next stage of photosynthesis
forcing materials out
the first step of cellular respiration and anaerobic respiration
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
gets rid of waste
Diffusion of water through a semipermeable membrane
Atoms of the same element with different numbers of neutrons
an organism's occupation within its habitat which is composed of both Biotic and Abiotic factors
a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together

25 Clues: gets rid of waste • in take of liquids • basic unit of life • forcing materials out • makes own food from sunlight • To regulate all body functions • protects and supports the body • chemical fuel for living things • a salt or ester of phosphoric acid • Particles move from high to low concentration • Amount of living tissue within a trophic level • ...

Chemistry 2024-09-26

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negatively charged particles located in the nucleus of an atom
a fundamental property of electrons that describe their intrinsic angular momentum
the smallest amount of energy that can be emitted or absorbed as electromagnetic radiation
the part of the universe being studied in a chemical reaction
atoms of the same element that has different numbers of neutrons
a principal stating that energy cannot be created nor destroyed, only transformed
a measure of how hot or cold something is
the smallest unit of a chemical element
a measure of how well a material conducts heat
a pure substance consisting of only one type of atom
positively charged subatomic particles located in the nucleus of an atom

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a form of energy that can be transferred between objects
the total number of protons and neutrons in an atoms nucleus
a fundamental constant used to describe the sizes of quanta in quantum mechanics
a tabular arrangement of the chemical elements, organized by atomic number
the process of a substance changing from one state to another
the minimum energy needed for a reaction to occur
transfer the movement of heat from one object or substance to another
the total heat content of a system
a measure of the disorder or randomness in a system
the energy of moving particles in a substance related to temperature
the study of how heat is involved in chemical reactions
the number of waves that pass a given point per unit of time
a region in an atom where there is a high probability of finding electrons
a unit of energy used to measure heat

25 Clues: the total heat content of a system • a unit of energy used to measure heat • the smallest unit of a chemical element • a measure of how hot or cold something is • a measure of how well a material conducts heat • the minimum energy needed for a reaction to occur • a measure of the disorder or randomness in a system • a pure substance consisting of only one type of atom • ...

environmental science 2025-07-22

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The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.
Loss of species that threatens biodiversity
The main energy currency molecule used by cells
Type of potential energy found in food molecules.
A scientific explanation tested and supported over time
Republic Act aimed at managing solid waste
Science that focuses on matter, energy, and their interactions
Discipline studying human behavior, culture, and society
Act of perceiving something using senses or instruments
Bacteria turn nitrogen gas into a usable form for plants in this process.
The release of water from Earth’s surface into the atmosphere
What powers work in biological systems.
The law stating that energy is conserved.
The process of converting atmospheric nitrogen into a usable form

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Earth’s water system including oceans, rivers, and glaciers
Protective gas layer where weather occurs
A methodical way to gain knowledge through evidence
A biological catalyst made of protein.
The minimum energy needed for a chemical reaction to begin.
Yellow non-metallic element involved in acid rain formation
All the chemical processes that happen inside a living thing.
Study of weather and atmospheric phenomena
The Earth’s crust and upper mantle form this environmental layer
Discipline studying human behavior, culture, and society
Zone of life where organisms exist.
Science that explores plants, animals, and microorganisms
A result of excess CO₂ trapping heat in Earth’s atmosphere
Repeating sequences scientists try to understand in nature
Southeast Asian country vulnerable to typhoons and volcanoes
A type of chemical reaction that gives off energy.
Energy involved in movement or motion.

31 Clues: Zone of life where organisms exist. • A biological catalyst made of protein. • Energy involved in movement or motion. • What powers work in biological systems. • Protective gas layer where weather occurs • The law stating that energy is conserved. • Study of weather and atmospheric phenomena • Republic Act aimed at managing solid waste • ...

environmental science 2025-07-22

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The release of water from Earth’s surface into the atmosphere
The law stating that energy is conserved.
The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.
Loss of species that threatens biodiversity
Earth’s water system including oceans, rivers, and glaciers
All the chemical processes that happen inside a living thing.
A type of chemical reaction that gives off energy.
A result of excess CO₂ trapping heat in Earth’s atmosphere
Yellow non-metallic element involved in acid rain formation
Southeast Asian country vulnerable to typhoons and volcanoes
Repeating sequences scientists try to understand in nature
A methodical way to gain knowledge through evidence
Act of perceiving something using senses or instruments
What powers work in biological systems.
Energy involved in movement or motion.

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Zone of life where organisms exist.
Science that explores plants, animals, and microorganisms
Study of weather and atmospheric phenomena
The main energy currency molecule used by cells
Protective gas layer where weather occurs
The minimum energy needed for a chemical reaction to begin.
Science that focuses on matter, energy, and their interactions
The Earth’s crust and upper mantle form this environmental layer
Bacteria turn nitrogen gas into a usable form for plants in this process.
Discipline studying human behavior, culture, and society
A biological catalyst made of protein.
Discipline studying human behavior, culture, and society
Type of potential energy found in food molecules.
The process of converting atmospheric nitrogen into a usable form
Republic Act aimed at managing solid waste
A scientific explanation tested and supported over time

Biology Puzzle 2023-12-12

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C₆H₁₂O₆
sugar molecules, commonly found in bread
Does not require oxygen
Process in which glucose is broken down to make energy
Requires Oxygen
Whats formed from a chemical reaction
a nutrient your body needs to grow and repair cells
proteins that act as catalysts
Carries genetic information

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A molecule produced by a living organism
A large molecule made of smaller chemical structures
A chemical the body produces when when cells break down carbohydrates
Large biomolecules in all cells and viruses
glucose + enzymes = carbon dioxide + ethanol/lactic acid
Smallest unit of matter
A lipid with a phosphate group
Also known as the Citric Acid cycle
What plants do to get energy from the sun
Abbreviation for adenosine triphosphate
help with moving and storing energy

20 Clues: C₆H₁₂O₆ • Requires Oxygen • Smallest unit of matter • Does not require oxygen • Carries genetic information • A lipid with a phosphate group • proteins that act as catalysts • Also known as the Citric Acid cycle • help with moving and storing energy • Whats formed from a chemical reaction • Abbreviation for adenosine triphosphate • A molecule produced by a living organism • ...

Sophia science lab 2023-10-25

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The species formed from chemical reactions.
equation H2o with oil
substance that enters and is altered in the course of a chemical reaction
Change ice cube melting

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rust
Change Cause a reaction
reaction Explosion
of Conservation of Mass reaction mass is neither created nor destroyed

8 Clues: rust • reaction Explosion • equation H2o with oil • Change Cause a reaction • Change ice cube melting • The species formed from chemical reactions. • of Conservation of Mass reaction mass is neither created nor destroyed • substance that enters and is altered in the course of a chemical reaction

Science 6 - Matter Unit Review Crossword 2021-10-12

Science 6 - Matter Unit Review Crossword crossword puzzle

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The element ___ makes up 18% of the Human Body.
A chemical ___ is made of one or two letters that represent an element.
A chemical ___ illustrates how elements become rearranged in a chemical reaction and can can be used to model chemical changes.
The Law of Conservation of Matter says that matter cannot be created or ___ in any chemical or physical change.
Chemical ___ are the forces that hold atoms together to form new substances.
Protons & neutrons are found in the ___ of an atom.
A proton is a subatomic particle that has a ___ charge.
The element ___ makes us most of the Earth's Atmosphere.
The element ___ makes up about 30% of the Earth's Crust.
Chemical bonds are formed with ___.
A(n) ___ is two or more atoms of different elements that are chemically combined.
___ number minus atomic number equals number of neutrons.

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A(n) ___ is a subatomic particle that has no charge.
On a periodic table square, the ___ ___ tells you the number of protons in the atom.
A(n) ___ is a small number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
A(n) ___ is a form of matter made up of one type of atom.
___ are the basic building blocks of all matter.
The atoms of one element differ from those of another element in the number of ___.
An electron is a subatomic particle that has a ___ charge and is located outside the nucleus.
A chemical ___ is a combination of chemical symbols used to represent a compound.

20 Clues: Chemical bonds are formed with ___. • The element ___ makes up 18% of the Human Body. • ___ are the basic building blocks of all matter. • Protons & neutrons are found in the ___ of an atom. • A(n) ___ is a subatomic particle that has no charge. • A proton is a subatomic particle that has a ___ charge. • The element ___ makes us most of the Earth's Atmosphere. • ...

Enzymes 2023-10-18

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the capacity to do work; the capacity for change
********* ENERGY; energy at rest; stored energy
a reaction that requires an input of energy
*********** INHIBITOR; inhibitor binds to active site
a protein that acts as a catalyst
******* ENERGY; energy in motion; energy of movement
a substance that speeds up a reaction without being altered
complez molecules break down into simpler ones
********** REGULATION; occurs when a regulatory molecule binds to a regulatory site
state or degree of disorder or randomness
********** INHIBITION; inhibitor covalently binds to the active site

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************** INHIBITOR; inhibitor binds to regulatory binding site
the sum of all the chemical reactions within an organism
TWO WORDS;occurs when the end product acts as a repressor to shut down a metabolic pathway
TWO WORDS; refers to the binding of the enzyme to the substrate where the enzyme slightly changes to make the binding tighter
************ INHIBITION inhibitor non-covalently binds to the active site
a reaction that releases energy
simple molcules link to form more complex ones
TWO WORDS; energy required for a reaction to start or to occur

19 Clues: a reaction that releases energy • a protein that acts as a catalyst • state or degree of disorder or randomness • a reaction that requires an input of energy • simple molcules link to form more complex ones • complez molecules break down into simpler ones • ********* ENERGY; energy at rest; stored energy • the capacity to do work; the capacity for change • ...

chemistry 2021-01-05

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a short way to represent a compound
the simplest of all substances, can not be broken down
has neither a definite volume or shape
has mass and takes up space
a material made of only one kid of particle and has a set list of characteristics
a way to organize the elements
a change in matter that produces a new substance
the process that produces a new substance

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a tiny piece of matter
a short easy way to show a chemical reaction
made of 2 or more substances that are not chemically combined
the smallest part of an element
has a definite shape and volume
the idea that matter is neither created or destroyed during a chemical reaction
a substance made of 2 or more elements chemically combined
has a definite volume but no definite shape
a change in matter that does not produce a new substance, it only changes its appearance
a particle made of 2 or more atoms

18 Clues: a tiny piece of matter • has mass and takes up space • a way to organize the elements • the smallest part of an element • has a definite shape and volume • a particle made of 2 or more atoms • a short way to represent a compound • has neither a definite volume or shape • the process that produces a new substance • has a definite volume but no definite shape • ...

Chemistry in Biology 2019-03-27

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________ bonds occur when electrons are shared
The neutral part of an atom
A pure substance that cannot be broken down by physical means
Are the process by which atoms or groups of atoms in substances are reorganized into different substances
The study of matter
A compound n which the atoms are held together by covalent bonds.
The positively charged part of an atom
The building blocks of matter
____________ = Atoms
The result of a chemical reaction

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__________-12 is used to date substances that have once been alive
__________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
Neutrons and Protons are located in the __________
Carbon ____________ happens when nitrogen becomes carbon through beta decay
Part of the atom located on the outside of the nucleus
____________ bonds occur when electrons are shared
The beginning portion of a chemical reaction
Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • Neutrons and Protons are located in the __________ • ...

Chemistry in Biology 2019-03-27

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Part of the atom located on the outside of the nucleus
________ bonds occur when electrons are shared
____________ bonds occur when electrons are shared
____________ = Atoms
Neutrons and Protons are located in the __________
Are the process by which atoms or groups of atoms in substances are reorganized into different substances
__________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
The building blocks of matter
Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
The positively charged part of an atom
__________-12 is used to date substances that have once been alive

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A compound n which the atoms are held together by covalent bonds.
The neutral part of an atom
The study of matter
The beginning portion of a chemical reaction
Carbon ____________ happens when nitrogen becomes carbon through beta decay
A pure substance that cannot be broken down by physical means
The result of a chemical reaction

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • ____________ bonds occur when electrons are shared • ...

Photosynthesis 2020-10-19

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It is the instance when CO2 enters the photosynthetic reactions to produce glucose
Compound Produced during light dependent reaction and required later during light independent reactions of photosynthesis to produce glucose
This basic chemical is the source of carbon during LIR to produce glucose
No light is needed during these chemical reactions of photosynthesis
In the membrane of this structure are the complex P680, P700 and electron transport chains for photosynthesis

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Light requiring chemical reactions during photosynthesis
First system during LDR with chlorophyll embedded. It releases 2 e- when light hits this system
Organisms depending on autotrophs to get their food for energy and growth
Biological process in which plants use sun-light and basic chemical to synthesize glucose
It is said that light comes in this package energy
complex chain of carbons produced from basic chemicals during Calvin Cycle of photosynthesis
This basic chemical enters first the during LDR and releases oxygen and 2e- later captured by Chlorophyll on P680
Organisms able to produce their own food for energy and growth with the use of sun-lifgt
Second system in the LDR that has also Chlorophyll that releases 2e- when light hits the system

14 Clues: It is said that light comes in this package energy • Light requiring chemical reactions during photosynthesis • No light is needed during these chemical reactions of photosynthesis • Organisms depending on autotrophs to get their food for energy and growth • This basic chemical is the source of carbon during LIR to produce glucose • ...

periodic table 2017-03-20

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Next
elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
of Conservation of Mass- states that matter is neither created nor destroyed in ordinary chemical and physical changes.
vertical column of elements on the Periodic Table that have similar physical and chemical properties.

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horizontal row of elements on the Periodic Table that have the same number of electron shells.
Bond- an interaction that holds atoms together.
electrons on the outermost energy level of an atom that determine the reactivity of the atom.
A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.

8 Clues: Next • Bond- an interaction that holds atoms together. • electrons on the outermost energy level of an atom that determine the reactivity of the atom. • horizontal row of elements on the Periodic Table that have the same number of electron shells. • vertical column of elements on the Periodic Table that have similar physical and chemical properties. • ...

Rates of Reaction 2014-04-22

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Increasing the C_________ means that there will be more of the chemical in a mixture that you want to react. This will increase the rate of a chemical reaction.
This is the name given to the chemicals that are about to react. Jumble- EARTCNENT
Increase this by breaking solids down into smaller bits. This will also increase the rate of a reaction. Two words S_____ A_____

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This is a substance that will speed up a chemical reaction without being used up. Begins with C
The thing that a chemical reaction makes. Begins with a P
All particles must do this to react. Jumble- OCLIDLE
Increase this to increase the kinetic energy of particles so that they collide more often and speed up the reaction. Begins with T.

7 Clues: All particles must do this to react. Jumble- OCLIDLE • The thing that a chemical reaction makes. Begins with a P • This is the name given to the chemicals that are about to react. Jumble- EARTCNENT • This is a substance that will speed up a chemical reaction without being used up. Begins with C • ...

Gene Expression 2016-09-19

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Agents such as radiation or chemical substances, that cause genetic mutation
Phosphate, base and sugar
A form of mutation where one or more bases are inserted potentially causing a detrimental effect
Process where one DNA strand is used as a template in order to create an RNA molecule that is an exact copy of the coding strand
A single base change in a DNA molecule that causes a mutation
Three nucleotides on messenger RNA that codes for a specific amino acid in the synthesis of a protein molecule
Physical expression of a trait
Three nucleotides in a molecule of DNA that codes for a specific amino acid
Term used to describe the process by which cells generate new proteins taking place outside of the nucleus on organelles called ribosomes
A region on an enzyme that binds to a protein or other substance during a reaction

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Name of a mutation where the substituted base does not cause a change in the amino acid sequence
A form of gene mutation where one or more of the DNA bases is removed from the DNA molecule
A long chain of amino acids
A permanent and random change to the DNA base sequence
Process where the genetic code carried by mRNA is decoded to produce the specific sequence of amino acids in a polypeptide/protein
Linked enzyme controlled chemical reactions where the product of one reaction is the substrate for the next until the end product is made
Ends the process of protein synthesis
The initial chemical acted upon by an enzyme
A biological molecule that speeds up biochemical reactions by providing an alternative pathway for the reaction that requires less activation energy

19 Clues: Phosphate, base and sugar • A long chain of amino acids • Physical expression of a trait • Ends the process of protein synthesis • The initial chemical acted upon by an enzyme • A permanent and random change to the DNA base sequence • A single base change in a DNA molecule that causes a mutation • ...

CHEMISTRY CHAPTERS 1-15 CROSSWORD REVIEW 2023-03-16

CHEMISTRY CHAPTERS 1-15 CROSSWORD REVIEW crossword puzzle

Across

what is a substance that increases the rate of a chemical reaction without being consumed in the reaction?
what is the separation of ions from each other that occurs when an ionic compound is solvated?
The physical and chemical properties of the elements are periodic functions of their atomic numbers
Device for measuring the pressure exerted by collisions of gas molecules in our atmosphere with the earth
what is one of the 3 main steps of the scientific method?(h)
Of what type of wave does light consist?
Forms of the same element that differ in their properties but exist in the same physical state
what involves the replacement of one element in a compound with another

Down

number what is the formula (6.022 x 10²³) called?
what is another name for calcium carbonate
A chemical bond that results from the sharing of valence electrons between atoms
The area of chemistry that deals with applying thermodynamic principles to energy changes in chemicals reactions
what is something with a Sour taste; react with metals such as zinc to produce H₂; change blue litmus to red
What term describes an equilibrium in which the foward and reverse reactions are constantly occuring?
The temperature at which particles of a given substance have enough kinetic energy to break away from each other

15 Clues: Of what type of wave does light consist? • what is another name for calcium carbonate • number what is the formula (6.022 x 10²³) called? • what is one of the 3 main steps of the scientific method?(h) • what involves the replacement of one element in a compound with another • A chemical bond that results from the sharing of valence electrons between atoms • ...

Natural and Human Events: Vocabulary Menu 2022-04-26

Natural and Human Events: Vocabulary Menu crossword puzzle

Across

the destruction of rock
water that goes to a source
weathering by man-made
the reaction
the action
the disposition of rock
a word for hurricane
the answer is jojo but wanted to tell you that some words use - as a space
where a place is full of water

Down

weathering from chemical
it ground water
is where the life there is simliar
a speed scale
holds water
a dune of sand
a large wind spiral that was a eye
a large wind spiral
Water it suface water
a word for hurricane

19 Clues: the action • holds water • the reaction • a speed scale • a dune of sand • it ground water • a large wind spiral • a word for hurricane • a word for hurricane • weathering by man-made • Water it suface water • the destruction of rock • the disposition of rock • weathering from chemical • water that goes to a source • where a place is full of water • is where the life there is simliar • ...

Science Crossword Puzzle (Form 3) 2025-01-09

Science Crossword Puzzle (Form 3) crossword puzzle

Across

— A series of repeating events
— Automatic body response
— Organ producing insulin
— Ability to store electric charge
— Water movement across a semipermeable membrane
— Visible electromagnetic wave
— Natural environment of an organism
— Optical device refracting light
— Combination of two or more atoms
— The basic unit of life
— Male reproductive cell
— Simple carbohydrate compound
— Gas changing to liquid
— Bending of light
— Size or extent of a quantity

Down

— Process of ovum formation
— Emission of light by a substance
— Substance increasing reaction rate without permanent change
— Essential nutrient for body tissues
— Anything with mass and volume
— Force of attraction between masses
— Group of cells with similar function
— Study of substances and reactions
— Phenomenon related to electric charge
— Chemical substance regulating body processes
— Electrical component limiting current
— Biological catalyst speeding up chemical reactions
— The ability to do work
— A disturbance transferring energy
— Smallest unit of matter in chemical elements

30 Clues: — Bending of light • — The basic unit of life • — Male reproductive cell • — The ability to do work • — Gas changing to liquid • — Automatic body response • — Organ producing insulin • — Process of ovum formation • — A series of repeating events • — Visible electromagnetic wave • — Simple carbohydrate compound • — Size or extent of a quantity • — Anything with mass and volume • ...

Metals and Reactivity 2023-03-12

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The reaction of any metal with oxygen in which the substance combines with oxygen.
This list tells you how reactive metals are in comparison with one another.
What is the less reactive metal, platinum or magnesium?
Substances which can, in contact with air, water or other common substances, vigorously or violently give off heat, energy or toxic gases or vapors are described as _____________.
What can you often observe when a gas is produced in a chemical reaction?
What is the common name for iron oxide?

Down

magnesium + oxygen -->
If there is no reaction with a metal and oxygen, you can add this chemical to see if there is a reaction.
What is the more reactive metal, potassium or tin?
What are most elements in the periodic table?

10 Clues: magnesium + oxygen --> • What is the common name for iron oxide? • What are most elements in the periodic table? • What is the more reactive metal, potassium or tin? • What is the less reactive metal, platinum or magnesium? • What can you often observe when a gas is produced in a chemical reaction? • ...

Chapter 13 Logan Smith 2020-10-07

Across

bases ionize completely in water.
there is a net absorption of energy.
During a chemical reaction, one or more new compounds are formed as a result of the rearrangement of atoms.

Down

No atoms are gained or lost during any reaction.
the amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when they are brought together.
bases do not ionize completely in water.
the minimum energy required to overcome the initial breaking of bonds in reactants.
there is a net release of energy.
is how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
a substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster rate.

10 Clues: bases ionize completely in water. • there is a net release of energy. • there is a net absorption of energy. • bases do not ionize completely in water. • No atoms are gained or lost during any reaction. • the minimum energy required to overcome the initial breaking of bonds in reactants. • ...

Year 10 Science Week 3 Review 2020-04-30

Year 10 Science Week 3 Review crossword puzzle

Across

The name of the element Ca
Electrons in the outermost shell
A diagram that only shows the valence electrons of an atom
An example of chemical _____________ is: CH4 or H2O
The energy levels around the nucleus that contains electrons
A positively charged particle in an atom
Subatomic particles with no change
Atomic number of Boron
The element Ar has ______ electrons

Down

2, 8, 8 is an example of an electron __________
The part of an atom with an overall positive charge
A diagram that shows the electron configuration of atoms
Orbits around the atoms nucleus
An element with an electron configuration of 2, 8, 7
A chemical _____________ shows the products and reactants of a chemical reaction
The chemical symbol of Neon
The maximum number of electrons that fit into the first shell

17 Clues: Atomic number of Boron • The name of the element Ca • The chemical symbol of Neon • Orbits around the atoms nucleus • Electrons in the outermost shell • Subatomic particles with no change • The element Ar has ______ electrons • A positively charged particle in an atom • 2, 8, 8 is an example of an electron __________ • The part of an atom with an overall positive charge • ...

CHEMISTRY CROSSWORD 2016-06-08

Across

the chemical element of atomic number 11
n electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
Table a table of the chemical elements arranged in order of atomic number, usually in rows.
requiring the absorption of heat.
Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water
relating to an atom or atoms.

Down

a substance with particular chemical properties
physical matter of which a person or thing consists and which has a tangible, solid presence.
liquid mixture
When a substance (or a few substances) change into another substance.
the release of heat.
In physics, the ability to do work
something that can be dissolved
The substances that result from this recombination of atoms are called the products of the reaction.
A measure of how much matter is in an object.

17 Clues: liquid mixture • the release of heat. • relating to an atom or atoms. • something that can be dissolved • requiring the absorption of heat. • In physics, the ability to do work • the chemical element of atomic number 11 • A measure of how much matter is in an object. • a substance with particular chemical properties • ...

VOCAB 1.3 2022-10-25

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a substance made up of 2+ different chemical elements combined in a fixed ratio
property of a liquid surface displayed by its acting as if it were a stretched elastic membrane
a compound made up of 2+ different chemical components that aren't chemically linked
bond an electrostatic attraction between a hydrogen atom in on polar molecule and a small electronegative atom in usually another molecule of the same or a different polar substance
power of hydronium; measures the acidity or alkalinity of a solution
energy acquired by the objects upon which work is done
the distribution of electrical charge over the atoms joined by the bond
a reaction that requires energy to be driven
stored energy

Down

works on the principle of water evaporation through which the air is cooled down to a comfortable temperature
the smallest particle of a substance that has all the physical and chemical properties of that substance
a chemical reaction where the change in the free energy is negative
7pH
energy stored in the bonds of atoms and molecule
the amount of energy needed to raise the temperature of a substance by 1 degree Celcius
the energy of motion, observable as the movement of an object, particle, or set of particles
the joining of 2 different substances due to attractive forces that hold on

17 Clues: 7pH • stored energy • a reaction that requires energy to be driven • energy stored in the bonds of atoms and molecule • energy acquired by the objects upon which work is done • a chemical reaction where the change in the free energy is negative • power of hydronium; measures the acidity or alkalinity of a solution • ...

Classification of Matter Review 2023-11-10

Classification of Matter Review crossword puzzle

Across

A type of CHANGE in the appearance (size, shape, etc.) or state of matter in which the identity of the substance remains the same.
A type of mixture that remains constantly and uniformly mixed. The particles are so small they cannot be seen with a microscope.
A type of heterogeneous mixture made of a liquid and solid particles that settle.
A type of CHANGE in in which one or more substances are changed into new substances.
A type of mixture in which different materials remain distinct.
Matter composed of two or more substances that can be separated by physical means.
Ending materials in a chemical reaction.
A starting material in a chemical reaction (left side of a chemical equation).

Down

A homogeneous mixture composed of a solvent and solute.
A type of heterogeneous mixture with particles that never settle.
Matter with a fixed composition. Can be an element or a compound.
A substance that is dissolved in a solution.
A pure substance composed of two or more elements chemically combined in a fixed proportion.
Anything that takes up space and has mass.
A pure substance made of only one kind of atom.
A substance that dissolves another substance in a solution.
A solution that holds more than the maximum amount of solute at a given temperature.

17 Clues: Ending materials in a chemical reaction. • Anything that takes up space and has mass. • A substance that is dissolved in a solution. • A pure substance made of only one kind of atom. • A homogeneous mixture composed of a solvent and solute. • A substance that dissolves another substance in a solution. • A type of mixture in which different materials remain distinct. • ...

Proteins 2022-04-29

Across

Where the enzyme works upon in the reaction.
This is made in the Ribosome.
Where the reaction builds up smaller substrates into larger products.
The building blocks that make proteins.
The substance produced at the end of the reaction.
The protein that speeds up chemical reactions and are known as biological catalysts.

Down

Part of the enzyme on where the substrate binds to in a reaction.
Where the reaction breaks down larger substrates into smaller products.
Where the enzyme is most active in a reaction.
When the enzyme changes shape that results in them no longer binding to the substrate and it will affect the rate of the reaction.

10 Clues: This is made in the Ribosome. • The building blocks that make proteins. • Where the enzyme works upon in the reaction. • Where the enzyme is most active in a reaction. • The substance produced at the end of the reaction. • Part of the enzyme on where the substrate binds to in a reaction. • Where the reaction builds up smaller substrates into larger products. • ...

(1.3) Review 2022-09-15

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The ability to ______ matter or work
Help with reactions/end in '-ase'
Energy needed to start all reactions
A type of way energy is used/'r'
Speed up reaction/lower needed energy to start
How enzymes work/via 2 ways

Down

Where the substrate and enzyme attach
Starting materials/'substrate'
Type of chemical reaction/combines stuff
Newly formed substances after a reaction
A type of way energy is used/'s'

11 Clues: How enzymes work/via 2 ways • Starting materials/'substrate' • A type of way energy is used/'r' • A type of way energy is used/'s' • Help with reactions/end in '-ase' • The ability to ______ matter or work • Energy needed to start all reactions • Where the substrate and enzyme attach • Type of chemical reaction/combines stuff • Newly formed substances after a reaction • ...

Contact Process 2024 2024-07-28

Across

A compound produced by the catalytic oxidation of sulfur dioxide, which reacts with water to form sulfuric acid.
A highly corrosive, strong acid used in a wide range of industrial processes, including the manufacture of fertilizers, chemicals, and explosives.
A chemical reaction that releases heat. The formation of sulfur trioxide from sulfur dioxide and oxygen is an exothermic reaction.
The catalyst used in the Contact Process to accelerate the oxidation of sulfur dioxide to sulfur trioxide.
A colorless gas produced by burning sulfur or sulfide ores, and the primary raw material in the Contact Process.
A solution formed by mixing sulfur trioxide in sulfuric acid, used in the Contact Process for the final absorption step.
A calcium carbonate is added to neutralize acidic fume (known as flue gas of desulphurization)

Down

A method used for the large-scale production of sulfuric acid, involving the oxidation of sulfur dioxide (SO₂) to sulfur trioxide (SO₃), followed by absorption in water.
A chemical process in which a substance loses electrons, often associated with the addition of oxygen. In the Contact Process, sulfur dioxide is oxidized to sulfur trioxide.
The state in a chemical reaction where the rates of the forward and reverse reactions are equal, resulting in constant concentrations of reactants and products.
A substance that increases the rate of a chemical reaction without being consumed in the process. In the Contact Process, vanadium(V) oxide is used as ....

11 Clues: A calcium carbonate is added to neutralize acidic fume (known as flue gas of desulphurization) • The catalyst used in the Contact Process to accelerate the oxidation of sulfur dioxide to sulfur trioxide. • A compound produced by the catalytic oxidation of sulfur dioxide, which reacts with water to form sulfuric acid. • ...

Vocabulary Terms 2023-09-12

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The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
The measure of a material's resistance to localized permanent deformation.
The loss of electrons during a reaction by a molecule, atom or ion.
A usually reversible change in the physical properties of a substance, as size or shape
A physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical.
A substance that flows freely but is of constant volume, having a consistency like that of water or oil.
A coherent, typically large body of matter with no definite shape.
Usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition.
A metric unit of length, equal to one hundredth of a meter.
A statement that the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature, if the pressure remains constant

Down

Substances that are made up of two or more different types of substances
The temperature of a gas is a measure of the average translational kinetic energy of the molecules.
Of matter is defined as one of the ways in which matter can interact with itself to form a homogeneous phase.
Firm and stable in shape; not liquid or fluid.
A law of quantum mechanics which gives the probability that a measurement on a quantum system will yield a given result.
The space occupied by the gaseous particles at standard temperature and pressure conditions.
Intensive properties and extensive properties are types of physical properties of matter.

18 Clues: Firm and stable in shape; not liquid or fluid. • A metric unit of length, equal to one hundredth of a meter. • A coherent, typically large body of matter with no definite shape. • The loss of electrons during a reaction by a molecule, atom or ion. • Substances that are made up of two or more different types of substances • ...

Crossword ! 2018-10-18

Across

of attraction in the area of contact between unlike bodies that acts to hold them together.
measure of the acidity or alkalinity of a solution.
least amount of energy required to undergo a chemical reaction.
made up of one oxygen bonded to one hydrogen
of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion.
or denoting a process involving substances in different phases

Down

nucleus of a hydrogen atom separated from its accompanying electron.
when a substance combines with another to form a new substance.
type of chemical bond in which a hydrogen atom that has a covalent link with one of the electronegative atoms (F, N, O) forms an electrostatic link with another electronegative atom in the same or another molecule.
process by which a gas, liquid, or solid is dispersed homogeneously.
or pertaining to a chemical change that is accompanied by a liberation of heat
molecular force between particles within a body or substance that acts to unite them
substance that undergoes a chemical change in a given reaction.

13 Clues: made up of one oxygen bonded to one hydrogen • measure of the acidity or alkalinity of a solution. • or denoting a process involving substances in different phases • when a substance combines with another to form a new substance. • least amount of energy required to undergo a chemical reaction. • substance that undergoes a chemical change in a given reaction. • ...

Worthy White crossword 2019-10-08

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reactions go slower at ______ tempatures
a substance that lowers the activation energy of a chemical reaction
reactions go faster at _______ tempatures
reactions go faster with a _____ surface area
what is needed to make a reaction to proceed
acids _____ protons
reactions go faster at higher _______

Down

_______ solutions react faster
when a reaction and its reverse act at the same rate
bases _____ protons

10 Clues: bases _____ protons • acids _____ protons • _______ solutions react faster • reactions go faster at higher _______ • reactions go slower at ______ tempatures • reactions go faster at _______ tempatures • what is needed to make a reaction to proceed • reactions go faster with a _____ surface area • when a reaction and its reverse act at the same rate • ...

Chemical equations 2020-06-27

Across

to move smthing from its place,another word for elimination
heat & energy released
helps in rusting
process in which food gets rotten and stale
amount of money in a bank account

Down

Outcome of a reaction
A set of numbers used to open a lock
A chemical reaction which involves oxidation and reduction
rusting
helps in speeding up the reaction

10 Clues: rusting • helps in rusting • Outcome of a reaction • heat & energy released • helps in speeding up the reaction • amount of money in a bank account • A set of numbers used to open a lock • process in which food gets rotten and stale • A chemical reaction which involves oxidation and reduction • to move smthing from its place,another word for elimination

Ridgely grabarczyk 2021-12-01

Across

reaction there is a net absorption of energy.
AB + C → AC + B
AB + CD → AD + CB
No atoms are gained or lost during any reaction.

Down

a+ B → AB
AB + oxygen → oxides of A & B
To reflect this fact, the chemical equation must be.
AB→ A + B
reaction there is a net release of energy.
Bond Energy is also known as

10 Clues: a+ B → AB • AB→ A + B • AB + C → AC + B • AB + CD → AD + CB • Bond Energy is also known as • AB + oxygen → oxides of A & B • reaction there is a net release of energy. • reaction there is a net absorption of energy. • No atoms are gained or lost during any reaction. • To reflect this fact, the chemical equation must be.

Chem I Matter Vocab 2022-01-24

Across

Law stating when different compounds are formed by the combination of the same elements, different masses of 1 element combine witht he same mass of the other element in a ration of small whole numbers.
Law stating regardless of the amount a compound is always composed of the same proportion of elements.
Elements that have properties of metals and nonmetals.
Extremely unreactive group of eight elements.
a pure substance that cannot be broken down further by physical or chemical means.
Volume of an ideal gas at constant pressure is directly proportional to the absolute temperature.
Form of matter that fills the shape of its container, fills the container's entire volume, and is easily compressed.
A chart that organizes all known elements into a grid by increasing atomic numbers.
Law stating that mass is neither created nor destroyed but is conserved during a chemical reaction.
A percentage determined by the ratio of mass of each element to the total mass of the compound.
A technique used to seperate a homogeneous mixture based on the boiling points of the individual substances in the mixture.
A chemical substance that is present at the beginning of a chemical reaction.
Moving from one state to another without a change in the chemical composition.
A seperation ttechnique that produces pure solid particles of a substance from a solution with the dissolved substance.
The smallest unit of matter.
The amount of matter in an object.
Particles arranged in a relatively stable shape.
A type of change that alters physical properties of a substance but does not change the composition.

Down

A characteristic of matter that can be observed or measured without changing the sample's composition.
Anything that has mass & takes up space.
Name of the horizontal rows on the Periodic Table.
A physical blend of two or more pure substances where both substances keep their properties and can be physically seperated.
Substance formed as the result of a chemical reaction.
A physical property that is dependent upon the amount of substance present.
Name of the verticle columns on the Periodic Table.
Change from a solid directly to a gas with no liquid state in between.
A technique used to seperate components of a mixture based on how well each component is drawn across a surface.
The pressure and volume of a gas have an inverse relationship.
A chemical combination of two or more substances by chemical means that has different properties than the original substances.
PV=nRT
A physical propertythat remains the same no matter how much substance is present.
A mixture without a uniform composition.
Equal volumes of all gases at the same tmperature and pressure have the same number of molecules.
A technique using a porous barrier to seperate a solid from a liquid.
Distinct forms that matter exists in.
The ability or inability of a substance to combine or change into more/new substances.
A mixture that is uniform throughout.
The ratio between the pressure - volume product and absolute temperature of a gas is constant.
The majority of elements in the Periodic Table; good conducter, malleable, ductile.
A process involving one or more substances changing into new substances; a chemical reaction.
Poor conducters of heat and electricity.
The pressure of a given mass of gas varies directly with the absolute temperature of the gas when the volume is kept constant.
Exists at high temperatures and consists of charged particles.
Material that has a constant composition.
The gaseous state of a non-gas at room temperature.
Form of matter that has constant volume & takes the shape of its container.

46 Clues: PV=nRT • The smallest unit of matter. • The amount of matter in an object. • Distinct forms that matter exists in. • A mixture that is uniform throughout. • Anything that has mass & takes up space. • A mixture without a uniform composition. • Poor conducters of heat and electricity. • Material that has a constant composition. • Extremely unreactive group of eight elements. • ...

Photosynthesis and Respiration 2019-11-26

Photosynthesis and Respiration crossword puzzle

Across

ight-independent reactions, biosynthetic phase, dark reactions
a simple sugar
complex organic chemical that provides energy
colorless gas
simple alcohol with the chemical formula C ₂H ₆O.
Doesn't need oxygen
acid
series of complexes that transfer electrons
process dealing with plants
down of glucose
H20
Needs oxygen

Down

02
take place on the thylakoid membranes
Breathing
that conduct photosynthesis
Pathway-a metabolic pathway is a linked series
an organelle found in large numbers in most cells.
each of a number of flattened sacs inside a chloroplast
the chemical breakdown of a substance by bacteria
supportive tissue
sequence of reactions by which most living cells generate

22 Clues: 02 • H20 • acid • Breathing • Needs oxygen • colorless gas • a simple sugar • down of glucose • supportive tissue • Doesn't need oxygen • that conduct photosynthesis • process dealing with plants • take place on the thylakoid membranes • series of complexes that transfer electrons • complex organic chemical that provides energy • Pathway-a metabolic pathway is a linked series • ...

Chemistry Review 2024-05-30

Across

Two Monosaccharides bond and form this.
A pH >7.
A pH <7.
Two atoms share electrons to bond together.
Enzyme attaches to this during a Chemical Rxn.
Building block for life. It contains two strands of nucleotides.
One of the products of Cellular Respiration.
Protein that carries CO2.
An atom that has lost or gained an electron.
Special proteins that destroy infectious infiltrators.

Down

Simple Sugars that are sub-units of Carbohydrates.
Energy needed to activate a Chemical Rxn.
Two atoms of separate polar(+,-) charges bond together.
Multiple Monosaccharides are chained to form this.
Speeds up a reaction.
Protein that carries Oxygen.
A scale of a substance's hydrogen ion concentration.
A nucleic acid strand that sends messages to create proteins.
All of the chemical reactions in the body.
Building block of protein.

20 Clues: A pH >7. • A pH <7. • Speeds up a reaction. • Protein that carries CO2. • Building block of protein. • Protein that carries Oxygen. • Two Monosaccharides bond and form this. • Energy needed to activate a Chemical Rxn. • All of the chemical reactions in the body. • Two atoms share electrons to bond together. • One of the products of Cellular Respiration. • ...

Chemical Reactions and Redox Reactions 2013-05-15

Chemical Reactions and Redox Reactions crossword puzzle

Across

/ Transferring of electrons
/ Reaction that involves an exchange of ions between 2 compounds
/ Products will only be water and carbon dioxide
/ A chemical reaction in which two or more substances react to produce a single product

Down

/ Gain of electrons
Atoms switch if the element in the compound is strong enough
/ Loss of electrons
/ A chemical reaction where a single compound breaks down into two or more elements of new compounds

8 Clues: / Gain of electrons • / Loss of electrons • / Transferring of electrons • / Products will only be water and carbon dioxide • Atoms switch if the element in the compound is strong enough • / Reaction that involves an exchange of ions between 2 compounds • / A chemical reaction in which two or more substances react to produce a single product • ...

Types of Chemical Reactions 2022-10-14

Types of Chemical Reactions crossword puzzle

Across

substances that are produced in a chemical reaction
a list of elements in decreasing order of their reactivity
Whenever a compound breaks down into two or more simpler substances
Whenever one element takes the place of another

Down

replacement reaction Whenever two ionic compounds trade cations
Whenever hydrocarbons combine rapidly with oxygen
Whenever two or more substances combine to form a single product
substances that are initially present in a chemical reaction

8 Clues: Whenever one element takes the place of another • Whenever hydrocarbons combine rapidly with oxygen • substances that are produced in a chemical reaction • a list of elements in decreasing order of their reactivity • substances that are initially present in a chemical reaction • replacement reaction Whenever two ionic compounds trade cations • ...

Chemistry in Biology 2019-03-27

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Carbon ____________ happens when nitrogen becomes carbon through beta decay
____________ = Atoms
__________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
The building blocks of matter
____________ bonds occur when electrons are shared
The result of a chemical reaction
The neutral part of an atom
Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
__________-12 is used to date substances that have once been alive
Neutrons and Protons are located in the __________

Down

A pure substance that cannot be broken down by physical means
The study of matter
The beginning portion of a chemical reaction
Are the process by which atoms or groups of atoms in substances are reorganized into different substances
A compound n which the atoms are held together by covalent bonds.
The positively charged part of an atom
Part of the atom located on the outside of the nucleus
________ bonds occur when electrons are shared

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • ____________ bonds occur when electrons are shared • ...

Chemistry in Biology 2019-03-27

Across

A compound n which the atoms are held together by covalent bonds.
The neutral part of an atom
Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
__________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
A pure substance that cannot be broken down by physical means
The beginning portion of a chemical reaction
The positively charged part of an atom
__________-12 is used to date substances that have once been alive

Down

The result of a chemical reaction
Neutrons and Protons are located in the __________
____________ = Atoms
____________ bonds occur when electrons are shared
Part of the atom located on the outside of the nucleus
Are the process by which atoms or groups of atoms in substances are reorganized into different substances
________ bonds occur when electrons are shared
The study of matter
Carbon ____________ happens when nitrogen becomes carbon through beta decay
The building blocks of matter

Classroom Chemistry 2017-10-21

Across

A substance the is formed as the result of a chemical reaction
Consisting of a solute and solvent, a homogeneous mixture of two or more substances
Matter that has a definite volume but does not have a definite shape
The point where no more solute may be dissolved in a solvent
Able to go back to the original condition
Does not look the same, non-uniform composition
Anything that has mass and takes up space
Capable of being dissolved

Down

Two or more substances are combined such that each substance retains its own chemical identity
The substance in which the solute is dissolved
Incapable of being dissolved
Looks the same, has a uniform composition
Small portion of matter
Unable to go back to the original condition
Matter that does not have a defined volume or shape
Cause a solute to pass into solution
A change which forms new substances
Matter with a defined shape and volume

18 Clues: Small portion of matter • Capable of being dissolved • Incapable of being dissolved • A change which forms new substances • Cause a solute to pass into solution • Matter with a defined shape and volume • Looks the same, has a uniform composition • Able to go back to the original condition • Anything that has mass and takes up space • ...

Nuclear Energy 2023-05-01

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Nuclear energy can produce a type of free energy that contributes to clean air.
Breaking and forming of chemical bonds is a type of reaction.
Type of energy from photons.
Fusion reactions are what powers this large star and other stars.
A positive characteristic of nuclear energy is that it has one of the smallest carbon __?
Many nuclei can exhibit this type of decay.

Down

Reaction in which two or more nuclei are combined into a single entity.
A kick starter amount of energy that is needed to get a process started.
Ability to do work.
Radioactive decays are transitions between different states of nuclei-typically, the decay of a neutron into a what?
Reaction in which this consists of the breakup of nuclei from heavier into lighter nuclei.
This type of nuclear fission can be converted into this type of energy.
Transport of energy from a substance of high temperature to low temperature.
This type of element, used as fuel, is most widely used in nuclear reactors at power plants.
Type of energy that uses nuclear reactions to produce electricity.

15 Clues: Ability to do work. • Type of energy from photons. • Many nuclei can exhibit this type of decay. • Breaking and forming of chemical bonds is a type of reaction. • Fusion reactions are what powers this large star and other stars. • Type of energy that uses nuclear reactions to produce electricity. • ...

Clasé de chemíca 2020-12-18

Across

makes up 20 percent of air what we breath
Reaction in which appearance is changed
Reaction new substance is formed
whether or not something is dissolvable
particle with neutral charge

Down

Elements such as hydrogen, oxygen,etc are called
number 49 on periodic table
Used to blow up balloons
the charge of the element zinc
Element which creates a yellow reaction

10 Clues: Used to blow up balloons • number 49 on periodic table • particle with neutral charge • the charge of the element zinc • Reaction new substance is formed • Reaction in which appearance is changed • Element which creates a yellow reaction • whether or not something is dissolvable • makes up 20 percent of air what we breath • Elements such as hydrogen, oxygen,etc are called

Balancing Equations 2024-01-02

Across

the amount of a substance
the last step of balancing equations.
the number after an element
law of ____ of mass
the "ingredients" of a reaction.
coefficent and subscript ____ in order to count the number of moles.

Down

the result of a reaction
instead of an equal sign
the number in front of a chemical symbol
symbolic representation of a reaction

10 Clues: law of ____ of mass • the result of a reaction • instead of an equal sign • the amount of a substance • the number after an element • the "ingredients" of a reaction. • the last step of balancing equations. • symbolic representation of a reaction • the number in front of a chemical symbol • coefficent and subscript ____ in order to count the number of moles.

Enzymes 2014-12-07

Across

The type of organic macromolecule that most enzymes are.
The measure of the hydrogen ion concentration of a solution
A type of inhibition where the active site of an enzyme is blocked or occupied by a molecule other than the substrate.
All the chemical reactions occurring within a cell or living organism.
The type of metabolism in which smaller molecules are combined to form larger ones.
The molecule generated in certain biochemical reactions that acts as a chemical store of energy used by cells.
The substrate concentration when the reaction rate is half maximal velocity.
The term used to describe reactions that are spontaneous and involve a release of energy (usually as heat).
When an enzyme loses its active site it is said to be ______.
The class of enzymes that catalyzes hydrolysis type reactions.
Organic cofactors that are usually vitamins or vitamin derivatives.

Down

The term used to describe reactions that involve an input of energy.
The best temperature or pH for a specific enzyme's functioning.
The difference in free energy between the transition state and the substrate.
The atoms or molecules that are the reactants of an enzyme-catalyzed reaction.
The term used to describe an inactive enzyme without its cofactor.
The highest rate that can be achieved for an enzyme-catalyzed reaction.
The type of metabolism in which larger compounds are broken down to generate smaller ones.
The model describing a perfect match between the enzyme active site and its substrate.
The last product of a metabolic pathway.
Any substance that has the ability to speed up the rate of a reaction.
The official ending of all enzyme names.

22 Clues: The last product of a metabolic pathway. • The official ending of all enzyme names. • The type of organic macromolecule that most enzymes are. • The measure of the hydrogen ion concentration of a solution • When an enzyme loses its active site it is said to be ______. • The class of enzymes that catalyzes hydrolysis type reactions. • ...

Biology 2024-09-29

Across

Nutrient, used in phosphates of nucleic acids and phospholipids of membranes, often limited
Adenosine diphosphate, uncharged energy storage molecule with 2 phosphates
Substance at the beginning of chemical reaction changed into products
Organelle - site of photosynthesis
Sphere of earth, all the soil and rocks on earth
site of steps 2 and 3 of aerobic cellular respiration
Adenosine triphosphate, charged energy storage molecule with 3 phosphorus groups
Describes a situation in which oxygen is present
used in proteins and nucleic acids, must be 'fixed' for living things to use, often limited
First step of aerobic respiration, breaks down glucose (ch1206) into pyruvate, make some nadh

Down

Sphere of earth, all living things on earth
Sphere of earth all water on earth
Sphere of earth, all the gases surrounding earth
Pigment in chloroplast used to trap light energy during photosynthesis
Process of breaking down glucose to make ATP starts with glucose and oxygen and ends with carbon dioxide and water
Second step of anaerobic respiration, two types include alcoholic and lactic acid
Substance created during a chemical reaction made from reactants
Process of using light energy to make glucose starts with carbon dioxide and water and ends with glucose and oxygen
Describes a situation in which oxygen is not present
forms the backbone for all macromolecules in living things
Second step of photosynthesis uses energy in ATP in NADPH to make glucose from CO2
Anything that has mass and takes up space, makes up everything
First step of photosynthesis, uses sunlight to split h2o and make atp and nadph, o2 is released

23 Clues: Sphere of earth all water on earth • Organelle - site of photosynthesis • Sphere of earth, all living things on earth • Sphere of earth, all the gases surrounding earth • Sphere of earth, all the soil and rocks on earth • Describes a situation in which oxygen is present • Describes a situation in which oxygen is not present • ...

Chemistry Regents Review 2025-05-30

Chemistry Regents Review crossword puzzle

Across

when bonds are broken energy is…
what chemical reaction has an element that replaces another element, leaving the 2nd element alone?
what metal electrode does oxidation occur?
which molecules are symmetrical?
what are all the elements left of the staircase called?
if 2 gases have the same pressure, temp, and volume they also have the same number of…
what element indicates that the compound is organic?
when energy is released the reaction is…
what is it called when a reaction happens on its own and not forced?
what are the group of stable elements called?
what forces exist between gases?
what is it called when a heavy nucleus is split and forms energy?

Down

what are the electrons on the outermost shell called?
what mixture are all particles spread out equally and you cant see the different parts?
what chemical reaction breaks down a compound into multiple, smaller pieces?
which model discovered electrons orbit the nucleus in circular paths?
acids are proton/H+…
what type of bonding has the strongest IMFs?
which hydrocarbons are saturated?
solutes and solvents have to have the ____ polarities in order to mix.
what method separates a solid from a liquid?
as kinetic energy increases, potential energy stays…
the ____ surface area the reactants have the more collisions.
what bond is formed with a metal and non-metal?
what is a solution called when it still has room for more solute to dissolve?
what connects 2 solutions in a voltaic cell?
what substance separates into ions when dissolved in water?
what is it called when 2 nuclei are combined to create 1 and energy?

28 Clues: acids are proton/H+… • when bonds are broken energy is… • which molecules are symmetrical? • what forces exist between gases? • which hydrocarbons are saturated? • when energy is released the reaction is… • what metal electrode does oxidation occur? • what type of bonding has the strongest IMFs? • what method separates a solid from a liquid? • ...

Balancing Chemical Equations 2021-04-22

Balancing Chemical Equations crossword puzzle

Across

when the equation is set up where no mass is created or destroyed during the reaction
represents "yield" and separates the reactants and products
the substances present before a chemical equation
a process that involves rearrangement of the molecular or ionic structure of a substance
who had a large influence on both the history of chemistry and the history of biology
the substances produced after a chemical equation

Down

a law that states mass cannot be created or destroyed; it can only change form
when the equation has a unequal number of atoms on both sides of the arrow
equation is the symbolic representation of a chemical reaction in the form of symbols and formulae
things that are composed of mass and takes up space

10 Clues: the substances present before a chemical equation • the substances produced after a chemical equation • things that are composed of mass and takes up space • represents "yield" and separates the reactants and products • when the equation has a unequal number of atoms on both sides of the arrow • ...

Nervous System, Endocrine System & Ecosystems 2020-04-06

Nervous System, Endocrine System & Ecosystems crossword puzzle

Across

relationship between organisms that are trying to use the same limited resource
part of the brain that controls conscious thoughts, and the movement of every body part
organisms in a food chain that feeds on other organisms
when an ecosystem has the ability to maintain suitable living conditions for the community
the molecule that is going to be changed by the chemical reaction involving an enzyme
a chemical message released at the end of an axon to be received by the next neuron's dendrites
all the chemical reactions occurring in the cells
any feature that assists an organism to survive and reproduce in its environment
organisms that break down the bodies of dead organisms and animal wastes and recycle materials

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a chemical that speeds up a rate of reaction
a non-living factor of the environment
relationship between two organisms living closely together, where each benefits
organisms that make food for the community
relationship where one organism benefits and another organism is unharmed
branches from the cell body that receive messages from other neurons
the range of different species in a community
a place where organisms and their physical surroundings form an environment that is different from others nearby
the gland that controls the activities of other endocrine glands
portion of the brain that constantly check the internal environment of the body
a nerve cell
any factor that stimulates a receptor and brings about a response
the process of maintaining a constant internal environment

22 Clues: a nerve cell • a non-living factor of the environment • organisms that make food for the community • a chemical that speeds up a rate of reaction • the range of different species in a community • all the chemical reactions occurring in the cells • organisms in a food chain that feeds on other organisms • the process of maintaining a constant internal environment • ...

environmental science 2025-07-22

Across

Zone of life where organisms exist.
A methodical way to gain knowledge through evidence
Type of potential energy found in food molecules.
Earth’s water system including oceans, rivers, and glaciers
Science that focuses on matter, energy, and their interactions
Repeating sequences scientists try to understand in nature
Protective gas layer where weather occurs
Bacteria turn nitrogen gas into a usable form for plants in this process.
The process of converting atmospheric nitrogen into a usable form
A type of chemical reaction that gives off energy.
The main energy currency molecule used by cells
Yellow non-metallic element involved in acid rain formation
The minimum energy needed for a chemical reaction to begin.
Science that explores plants, animals, and microorganisms
The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.
Study of weather and atmospheric phenomena
A biological catalyst made of protein.

Down

Southeast Asian country vulnerable to typhoons and volcanoes
The law stating that energy is conserved.
A result of excess CO₂ trapping heat in Earth’s atmosphere
Discipline studying human behavior, culture, and society
Act of perceiving something using senses or instruments
All the chemical processes that happen inside a living thing.
The release of water from Earth’s surface into the atmosphere
What powers work in biological systems.
The Earth’s crust and upper mantle form this environmental layer
Loss of species that threatens biodiversity
Energy involved in movement or motion.
A scientific explanation tested and supported over time
Republic Act aimed at managing solid waste
Discipline studying human behavior, culture, and society

31 Clues: Zone of life where organisms exist. • Energy involved in movement or motion. • A biological catalyst made of protein. • What powers work in biological systems. • The law stating that energy is conserved. • Protective gas layer where weather occurs • Republic Act aimed at managing solid waste • Study of weather and atmospheric phenomena • ...

environmental science 2025-07-22

Across

The release of water from Earth’s surface into the atmosphere
The law stating that energy is conserved.
The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.
Loss of species that threatens biodiversity
Earth’s water system including oceans, rivers, and glaciers
All the chemical processes that happen inside a living thing.
A type of chemical reaction that gives off energy.
A result of excess CO₂ trapping heat in Earth’s atmosphere
Yellow non-metallic element involved in acid rain formation
Southeast Asian country vulnerable to typhoons and volcanoes
Repeating sequences scientists try to understand in nature
A methodical way to gain knowledge through evidence
Act of perceiving something using senses or instruments
What powers work in biological systems.
Energy involved in movement or motion.

Down

Zone of life where organisms exist.
Science that explores plants, animals, and microorganisms
Study of weather and atmospheric phenomena
The main energy currency molecule used by cells
Protective gas layer where weather occurs
The minimum energy needed for a chemical reaction to begin.
Science that focuses on matter, energy, and their interactions
The Earth’s crust and upper mantle form this environmental layer
Bacteria turn nitrogen gas into a usable form for plants in this process.
Discipline studying human behavior, culture, and society
A biological catalyst made of protein.
Discipline studying human behavior, culture, and society
Type of potential energy found in food molecules.
The process of converting atmospheric nitrogen into a usable form
Republic Act aimed at managing solid waste
A scientific explanation tested and supported over time

environmental science 2025-07-22

Across

Zone of life where organisms exist.
The release of water from Earth’s surface into the atmosphere
The law stating that energy is conserved.
A methodical way to gain knowledge through evidence
Loss of species that threatens biodiversity
Republic Act aimed at managing solid waste
Discipline studying human behavior, culture, and society
A biological catalyst made of protein.
Science that focuses on matter, energy, and their interactions
Act of perceiving something using senses or instruments
Southeast Asian country vulnerable to typhoons and volcanoes
The main energy currency molecule used by cells
Discipline studying human behavior, culture, and society
Protective gas layer where weather occurs
A scientific explanation tested and supported over time
The minimum energy needed for a chemical reaction to begin.

Down

A type of chemical reaction that gives off energy.
A result of excess CO₂ trapping heat in Earth’s atmosphere
Type of potential energy found in food molecules.
Repeating sequences scientists try to understand in nature
All the chemical processes that happen inside a living thing.
The process of converting atmospheric nitrogen into a usable form
Bacteria turn nitrogen gas into a usable form for plants in this process.
The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.
Earth’s water system including oceans, rivers, and glaciers
What powers work in biological systems.
Energy involved in movement or motion.
The Earth’s crust and upper mantle form this environmental layer
Yellow non-metallic element involved in acid rain formation
Study of weather and atmospheric phenomena
Science that explores plants, animals, and microorganisms

31 Clues: Zone of life where organisms exist. • A biological catalyst made of protein. • Energy involved in movement or motion. • What powers work in biological systems. • The law stating that energy is conserved. • Protective gas layer where weather occurs • Republic Act aimed at managing solid waste • Study of weather and atmospheric phenomena • ...

Changes around us 2019-05-20

Across

the original substances present is known as
rusting of iron
the new substances formed during our after chemical reaction
A chemical change occurs when there is a ______

Down

the molten wax becomes solid when cooled
the energy required to stay a chemical reaction
chlorophyll in plants

7 Clues: rusting of iron • chlorophyll in plants • the molten wax becomes solid when cooled • the original substances present is known as • the energy required to stay a chemical reaction • A chemical change occurs when there is a ______ • the new substances formed during our after chemical reaction

Mya Gilmore Chapter 13 2019-02-26

Across

When reaction and it's reverse act at the same rate.
Is soap acidic or basic?
The ____ of reaction is dependent on the collisions among molecules.
In an _______ reaction there is a net release of energy.
In an _________ reaction there is a net absorption of energy.
Bond Energy is also known as ______ ____.
____ is a substance that lowers the activation energy of a chemical reaction.

Down

The _____ ___ is how quickly the concentration of reactants decreases or increases.
_____ must be moving fast enough to overcome the energy of activation.
Law of ___ conservation: No atom are gained or lost during a reaction.

10 Clues: Is soap acidic or basic? • Bond Energy is also known as ______ ____. • When reaction and it's reverse act at the same rate. • In an _______ reaction there is a net release of energy. • In an _________ reaction there is a net absorption of energy. • The ____ of reaction is dependent on the collisions among molecules. • ...

chemistry vocab 2 2022-01-18

Across

a substance present at the start of the reaction
a substance that contains two or more elements chemically combined in a fixed proportion
a measure of the amount of matter an object contains
a substance produced in the reaction
the ability of a substance to undergo a specific chemical change
a change that produces matter with a different composition than the original matter
a mixture in which the composition is uniform throughout
a solid that forms and settles out of a liquid mixture

Down

another name for a homogeneous mixture
a mixture in which the composition is not uniform throughout
the gaseous state of a substance that is generally a liquid or solid at room temp
a change in which one or more reactants change into one or more products
states that in any physical change or chemical reaction, mass is conserved
a quality or condition of a substance that can be observed or measured without changing the substances composition
some properties of a material change but the composition of the material doesn't change

15 Clues: a substance produced in the reaction • another name for a homogeneous mixture • a substance present at the start of the reaction • a measure of the amount of matter an object contains • a solid that forms and settles out of a liquid mixture • a mixture in which the composition is uniform throughout • a mixture in which the composition is not uniform throughout • ...

Chem HL - Recap 2024-08-21

Across

- Atoms and ions that have the same number of electrons.
- A measure of the disorder or randomness in a system.
- Weak forces of attraction between molecules.
- A transition metal ion binds with this species to form a complex ion.
- The energy required to separate one mole of a solid ionic compound into its gaseous ions.
- The minimum amount of energy required for a chemical reaction to occur.
- A type of covalent bond where electrons are unequally shared between atoms.
- A measure of an atom's ability to attract and bond with electrons.

Down

- The number of atoms or molecules in one mole of a substance.
- The three-dimensional arrangement of atoms in a molecule.
- The process of mixing atomic orbitals in a molecule to form new hybrid orbitals.
- The energy associated with a chemical reaction that can be used to do work.
- An equation that links the rate of reaction to the concentration of reactants.
- The energy required to break a bond in a molecule.
- The energy required to remove an electron from a gaseous atom or ion.

15 Clues: - Weak forces of attraction between molecules. • - The energy required to break a bond in a molecule. • - A measure of the disorder or randomness in a system. • - Atoms and ions that have the same number of electrons. • - The three-dimensional arrangement of atoms in a molecule. • - The number of atoms or molecules in one mole of a substance. • ...

Junior Cert Chemistry 1 www.galwaymathsgrinds.com 2021-08-06

Junior Cert Chemistry 1 www.galwaymathsgrinds.com crossword puzzle

Across

The changing of a liquid into a gas at the surface of the liquid
A particle found outside the nucleus of the atom
A substance made up of two or more elements combined chemically
A mixture of metals
Substances with pH less than 7 are ?
One of the states of matter
The formation of crystals when a hot saturated solution is cooled
Type of reaction that takes in heat
The strip of paper on which the parts of a mixture have been separated by chromatography
Acids turn litmus from ---- to red
Turn litmus from red to blue
Rate of change of distance with time
A substance that alters the rate of a chemical reaction but is not used up in the reaction
The melting point is the temperature at which a solid changes to a ?
Cert Chemistry
A substance that can not be split into simpler substances by chemical means
Element represented by symbol Zn
Anything that occupies space and has mass
A substance that dissolves other materials to form a solution
A mixture in which small solid or liquid particles are suspended in a liquid or gas
The vaporising of a liquid by boiling it and then condensing the vapour by cooling it

Down

This table arranges elements in order of increasing atomic number
Acid + base gives salt + ?
Type of reaction resulting in formation of one or more new substances
Compound that changes colour according to whether a substance is acidic or basic
This number gives the number of protons in an atom
The changing of a gas to a liquid
A substance made up of two or more different substances mingled together but not chemically combined
The minimum energy that colliding particles must have for a reaction to occur
The spreading out of materials due to the movement of their particles
A method of separating an insoluble solid from a liquid using a material that allows the liquid to pass through but not the solid
The smallest particles of an element that still has the properties of that element
A solubility curve graphs how the solubility of a substance varies with ?
This number gives the number of protons + neutrons in an atom
The product of distillation
Type of solution in which there is a small amount of solute in a large amount of solvent
Type of reaction that gives out heat
A solid with regular shape and in which the particles within it are arranged in a regular pattern

38 Clues: Cert Chemistry • A mixture of metals • Acid + base gives salt + ? • One of the states of matter • The product of distillation • Turn litmus from red to blue • Element represented by symbol Zn • The changing of a gas to a liquid • Acids turn litmus from ---- to red • Type of reaction that takes in heat • Substances with pH less than 7 are ? • Rate of change of distance with time • ...

Cell Crossword 2021-10-22

Across

Controls the cell
Converts light into chemical energy for plants
Generates most of the chemical needed energy to power the cell
recycles cellular waste
The makers of protein molecules
Disposes of waste/maintains water balance

Down

Produces ribosomes
The medium for chemical reaction
The structure of the cell
The protection for a plant cell

10 Clues: Controls the cell • Produces ribosomes • recycles cellular waste • The structure of the cell • The protection for a plant cell • The makers of protein molecules • The medium for chemical reaction • Disposes of waste/maintains water balance • Converts light into chemical energy for plants • Generates most of the chemical needed energy to power the cell

CHEMISTRY CROSSWORD 2016-06-08

Across

A measure of how much matter is in an object.
n electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
requiring the absorption of heat.
Table a table of the chemical elements arranged in order of atomic number, usually in rows.
physical matter of which a person or thing consists and which has a tangible, solid presence.
The substances that result from this recombination of atoms are called the products of the reaction.
liquid mixture
When a substance (or a few substances) change into another substance.
In physics, the ability to do work

Down

Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water
relating to an atom or atoms.
a substance with particular chemical properties
something that can be dissolved
the release of heat.
each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
the chemical element of atomic number 11
about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

Science Hunt 2020-03-05

Across

A magnet that can be turned on and off
Chemical reaction inside a plant
Longest wave on EM spectrum
Type of food that provides energy
Yttrium is number...
Genes found on the same place on a chromosome
Type of pH indicator
Particles with +1 charge
??
Most abundant element in earths crust

Down

Makes up 2/3 of a cell
Most popular ‘fruit’ in the world
Antibiotic found by accident
Chemical messengers in neurones
Most populated city in the world
??
Breakdown of rocks
59
Famous physicist on first name basis
??

20 Clues: ?? • 59 • ?? • ?? • Breakdown of rocks • Yttrium is number... • Type of pH indicator • Makes up 2/3 of a cell • Particles with +1 charge • Longest wave on EM spectrum • Antibiotic found by accident • Chemical messengers in neurones • Most populated city in the world • Chemical reaction inside a plant • Most popular ‘fruit’ in the world • Type of food that provides energy • ...

Chapters 6&7 2018-12-05

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formed after a chemical reaction
6.022 x 10^23
the mass divided by the amount of substance
substance combine to form a new substance
measuring large amounts of atoms
a synonym is fusion
the number before an element
a form of chemical change
compound consisting of hydrogen and carbon
an antonym is dissolve
an antonym is preventer

Down

percent by mass of each element in a compound
sum of atomic masses
a liquid mixed with water
an antonym is destruction
a synonym is decay
bubbles in a liquid
a synonym is solid

18 Clues: 6.022 x 10^23 • a synonym is decay • a synonym is solid • bubbles in a liquid • a synonym is fusion • sum of atomic masses • an antonym is dissolve • an antonym is preventer • a liquid mixed with water • an antonym is destruction • a form of chemical change • the number before an element • formed after a chemical reaction • measuring large amounts of atoms • ...

CELL RESPIRATION 2025-02-03

Across

calories
energy production in the cell
nutrients
ATP
cell respiration
chemical reaction starter
cell energy

Down

energy factory of the cell
regular activity of the cell
metabolism
enzyme
mitochondria
measure units of energy
life substances

14 Clues: ATP • enzyme • calories • nutrients • metabolism • cell energy • mitochondria • life substances • cell respiration • measure units of energy • chemical reaction starter • energy factory of the cell • regular activity of the cell • energy production in the cell

Chapter 4 more terms 2025-10-03

Across

Agent – The substance that causes reduction by losing electrons.
Reaction – Another name for an acid–base reaction, producing salt and water.
– The process in which water molecules surround and interact with ions in solution.
Ionic Equation – An equation that shows all strong electrolytes as ions in a reaction.
– A simplified equation showing either the oxidation or the reduction part of a redox reaction.
Agent – The substance that causes oxidation by gaining electrons.
Solution – A concentrated solution that is diluted to prepare solutions of lower concentration.
Solution – A solution of known concentration used in quantitative analysis.

Down

Reaction – A reaction in which two aqueous solutions react to form an insoluble solid.
Dissolves Like” – A rule of thumb that polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.
– A measure of the amount of solute dissolved in a given quantity of solvent or solution.
Reactant – The reactant that is completely consumed first, limiting the amount of product formed.
– The maximum amount of solute that can dissolve in a given amount of solvent at a certain temperature.
Equation – A chemical equation that shows the overall reaction but not the actual ionic forms.
– A property of molecules with an uneven distribution of electrical charge.

15 Clues: Agent – The substance that causes reduction by losing electrons. • Agent – The substance that causes oxidation by gaining electrons. • – A property of molecules with an uneven distribution of electrical charge. • Solution – A solution of known concentration used in quantitative analysis. • ...

Neutralization Reaction 2021-07-29

Neutralization Reaction crossword puzzle

Across

What type of compounds are salt
This is makes up an ionic compound
A reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds
When this becomes a product, you will need to list water and carbon dioxide as products
A reaction in which both an acid and a base react in an aqueous solution to produce a salt and water
In a laboratory setting when would you use netralization
The type of sodium chloride that is produced in neutralization reactions

Down

The two reactants that are in neutralization equation
This is a type of reaction that breaks down a compound into two or more simpler substances
This is the neutralization reaction equation
An ion that does not take part in the chemical reaction
The products that normally are produced in a neutralization reaction
This makes up the ionic compound
A solution that has a pH of 7 or less
A solution that has a pH of 7 or more

15 Clues: What type of compounds are salt • This makes up the ionic compound • This is makes up an ionic compound • A solution that has a pH of 7 or less • A solution that has a pH of 7 or more • This is the neutralization reaction equation • The two reactants that are in neutralization equation • An ion that does not take part in the chemical reaction • ...

Enzymes 2025-10-23

Across

Inhibition where an inhibitor binds elsewhere and changes the shape of the active site
Substance that increases rate of reaction without changing
Biological catalyst that speeds up a reaction
The molecule that an enzyme acts upon to catalyze the reaction
Reaction that breaks down complex molecules to simpler ones
Inhibition where a substrate of similar shape competes for the active site

Down

A substance that stops an enzymes activity
The region on the enzyme the substrate binds
Reaction that builds up complex molecules from simpler ones
Change caused by heat, pH, or chemical reaction where molecule changes shape and purpose

10 Clues: A substance that stops an enzymes activity • The region on the enzyme the substrate binds • Biological catalyst that speeds up a reaction • Substance that increases rate of reaction without changing • Reaction that builds up complex molecules from simpler ones • Reaction that breaks down complex molecules to simpler ones • ...

Crossword - Types Of Reaction 2024-05-07

Crossword - Types Of Reaction crossword puzzle

Across

- The process of slowly eating up the metals due to the attack of atmospheric gases on the surface of metals is known as.
- The reaction in which a single substance decomposes to give two or more simpler substances.
- The reaction in which a more reactive element displaces a less reactive element from a salt solution is called.
- The decomposition that occurs by applying heat is known as.
- The reaction that produces a precipitate.
- The reaction in which decomposition occurs by applying electricity is known as.
- The reactions in which the reactants absorb heat energy from the surroundings to form products.

Down

- The type of reaction where two chemical substances react by exchanging ions to produce two new molecules.
- The reaction in which decomposition occurs in the presence of light is known as.
- The reaction in which 2 more substances combine to form a single new substance.
- The process in which one or more substances react to form a new substance with different properties.
- The process that involves the gain of oxygen or loss of hydrogen.
- The reaction in which oxidation and reduction take place simultaneously.
- The reactions in which energy is released in the form of light or heat.
- the process that involves the gain of hydrogen or loss of oxygen.

15 Clues: - The reaction that produces a precipitate. • - The decomposition that occurs by applying heat is known as. • - The process that involves the gain of oxygen or loss of hydrogen. • - the process that involves the gain of hydrogen or loss of oxygen. • - The reactions in which energy is released in the form of light or heat. • ...

Unit 8: Chemical Reactions Crossword Puzzle 2025-05-12

Unit 8: Chemical Reactions Crossword Puzzle crossword puzzle

Across

Any substances that remain the same from start to finish and are removed from the equation are called ______.
A ______ equation is when all aqueous substances are shown as individual ions dissolved in water.
If an element is ______ it contains two atoms.
A ______ reaction can be element + element and compound + compound yielding one compound.
In a combustion reaction AB is a ______ meaning H and C are bonded together.
The Law of Conservation of Mass means there must be the ______ number of each atom on both sides.
All ______ are soluble.

Down

What elements are found as two atoms covalently bonded together?
Properties of substances ______ during chemical reactions.
Most ______ are solids (s).
Polyatomic ions need to appear as a ______ if they appear on both sides.
What is used to determine reactivity in a single displacement reaction if A is a nonmetal and no reaction occurs?
In a single displacement reaction and A is a nonmetal, if nonmetal A is more reactive than nonmetal C it ______ C's spot in the compound.
(aq) means a substance is in ______ form (dissolved in water).
In a decomposition reaction, a generic formula can be a ______ compound meaning there is 3 elements in the compound.
In a double displacement reaction a compound plus a compound yields ______ new compounds.

16 Clues: All ______ are soluble. • Most ______ are solids (s). • If an element is ______ it contains two atoms. • Properties of substances ______ during chemical reactions. • (aq) means a substance is in ______ form (dissolved in water). • What elements are found as two atoms covalently bonded together? • ...

Science Vocabulary 2023-12-07

Across

substances which participate in a chemical reaction.
the process where a solute in gaseous, liquid, or solid phase dissolves in a solvent to form a solution.
a measure of its resistance to deformation at a given rate.
a substance that is present at the end of a chemical reaction.
if it dissolves in certain fluids.
a compound made up of two or more chemical components that re not chemically linked.

Down

the measurement of how tightly a material is packed together.
a substance that can neutralize the acid by reacting with hydrogen ions.
a substance that will not dissolve in a solevant even after mixing.
the ability of a solid, liquid, or gaseous chemical substance to dissolve in solvent and for a solution.

10 Clues: if it dissolves in certain fluids. • substances which participate in a chemical reaction. • a measure of its resistance to deformation at a given rate. • the measurement of how tightly a material is packed together. • a substance that is present at the end of a chemical reaction. • a substance that will not dissolve in a solevant even after mixing. • ...

Balancing Chemical Equations 2021-04-22

Across

a law that states mass cannot be created or destroyed; it can only change form
equation is the symbolic representation of a chemical reaction in the form of symbols and formulae
when the equation is set up where no mass is created or destroyed during the reaction
the substances present before a chemical equation

Down

a process that involves rearrangement of the molecular or ionic structure of a substance
things that are composed of mass and takes up space
who had a large influence on both the history of chemistry and the history of biology
the substances produced after a chemical equation
when the equation has a unequal number of atoms on both sides of the arrow
represents "yield" and separates the reactants and products

10 Clues: the substances produced after a chemical equation • the substances present before a chemical equation • things that are composed of mass and takes up space • represents "yield" and separates the reactants and products • when the equation has a unequal number of atoms on both sides of the arrow • ...

Matter and Energy 2025-09-28

Across

the new substances formed by a chemical reaction
a chemical substance that contains a lot of hydrogen ions and has a lower pH
When two or more substances combine and molecules split apart and form new molecules
When matter changes from solid to liquid to gas or from gas to liquid to solid

Down

the substances that are mixed together to create a chemical reaction
Two or more atoms bonded together
the motion of molecules within a substance which creates heat
a chemical substance that contains less hydrogen ions and has a higher pH
a measure of the amount of hydrogen ions in a substance to determine how acidic or basic a substance is
the smallest unit of matter

10 Clues: the smallest unit of matter • Two or more atoms bonded together • the new substances formed by a chemical reaction • the motion of molecules within a substance which creates heat • the substances that are mixed together to create a chemical reaction • a chemical substance that contains less hydrogen ions and has a higher pH • ...

Enzymes 2023-10-18

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TWO WORDS; refers to the binding of the enzyme to the substrate where the enzyme slightly changes to make the binding tighter
************ INHIBITION inhibitor non-covalently binds to the active site
a substance that speeds up a reaction without being altered
********** INHIBITION; inhibitor covalently binds to the active site
a reaction that releases energy
a reaction that requires an input of energy
************** INHIBITOR; inhibitor binds to regulatory binding site
********* ENERGY; energy at rest; stored energy
*********** INHIBITOR; inhibitor binds to active site

Down

TWO WORDS;occurs when the end product acts as a repressor to shut down a metabolic pathway
complez molecules break down into simpler ones
the capacity to do work; the capacity for change
TWO WORDS; energy required for a reaction to start or to occur
********** REGULATION; occurs when a regulatory molecule binds to a regulatory site
simple molcules link to form more complex ones
a protein that acts as a catalyst
the sum of all the chemical reactions within an organism
state or degree of disorder or randomness
******* ENERGY; energy in motion; energy of movement

19 Clues: a reaction that releases energy • a protein that acts as a catalyst • state or degree of disorder or randomness • a reaction that requires an input of energy • complez molecules break down into simpler ones • simple molcules link to form more complex ones • ********* ENERGY; energy at rest; stored energy • the capacity to do work; the capacity for change • ...

Organic Compounds 2022-09-16

Across

type of bonds that hold together a water molecule
liquid water is very ___ which means that the molecules are packed tightly
stands for power of potency
attracted to partial charges but do not form hydrogen bonds
fluorine, nitrogen, and oxygen are all are involved in hydrogen bonding because they are very
molecules that are hydrophobic and often only contain carbon and hydrogen
the number of functional groups that exist
the functional group that contains one nitrogen and two hydrogens
water hating

Down

water loving
change of ___ on puissance scale means 10x change in concentrations of protons
the number of functional groups that are hydrophilic
substance that helps maintain homeostasis when it comes to blood pH
the functional group that contains one carbon, two oxygens, and one hydrogen
the pH value that is neutral
any substance that acquires protons during a chemical reaction
the number of functional groups that are hydrophobic
a molecule that contains carbon and at least one hydrogen
any substance that gives up protons during a chemical reaction

19 Clues: water loving • water hating • stands for power of potency • the pH value that is neutral • the number of functional groups that exist • type of bonds that hold together a water molecule • the number of functional groups that are hydrophilic • the number of functional groups that are hydrophobic • a molecule that contains carbon and at least one hydrogen • ...

Chemistry in Biology 2019-03-27

Across

____________ bonds occur when electrons are shared
Are the process by which atoms or groups of atoms in substances are reorganized into different substances
Carbon ____________ happens when nitrogen becomes carbon through beta decay
The positively charged part of an atom
A compound n which the atoms are held together by covalent bonds.
____________ = Atoms
The building blocks of matter
The study of matter
Neutrons and Protons are located in the __________

Down

Part of the atom located on the outside of the nucleus
A pure substance that cannot be broken down by physical means
The beginning portion of a chemical reaction
__________ Isotopes are broken down by radiation when the nucleus of an atom breaks up
The result of a chemical reaction
Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
__________-12 is used to date substances that have once been alive
The neutral part of an atom
________ bonds occur when electrons are shared

18 Clues: The study of matter • ____________ = Atoms • The neutral part of an atom • The building blocks of matter • The result of a chemical reaction • The positively charged part of an atom • The beginning portion of a chemical reaction • ________ bonds occur when electrons are shared • ____________ bonds occur when electrons are shared • ...

biology PAMELA 2020-09-23

Across

structural protein found in skin
a substance obtained
are polymers of amino acids

Down

deriving from the metabolism of a organism
energy nessesary to turn a sub to a pro
increases the rate of a chemical reaction
the substance on which an enzyme acts
catalyst to bring about a chemical reaction

8 Clues: a substance obtained • are polymers of amino acids • structural protein found in skin • the substance on which an enzyme acts • energy nessesary to turn a sub to a pro • increases the rate of a chemical reaction • deriving from the metabolism of a organism • catalyst to bring about a chemical reaction

Chemical Reactions 2023-01-23

Across

a program or diagram that helps make things simpler and easier to see
a formula that shows you the amount and types of atoms to make a substance
the relative size of something
what the entire world is made of
the temperature where a substance turns into a liquid
a substance that is part of a chemical reaction
a group of atoms linked together to make a structure
when something changes from liquid to gas

Down

something that is made from a group of atoms
the process of atoms rearranging themselves to make a new substance
the substance that is made after a chemical reaction
a substance that you can add to plants to help them grow
something that can be observed of a substance
a way that groups of atoms are connected
can cause damage
to change the order or position of something

16 Clues: can cause damage • the relative size of something • what the entire world is made of • a way that groups of atoms are connected • when something changes from liquid to gas • something that is made from a group of atoms • to change the order or position of something • something that can be observed of a substance • a substance that is part of a chemical reaction • ...

Cellular Energy 2023-08-25

Across

is a set of chemical reactions performed by the plants
an organism that eats other plants and animals for energy
the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy
the chemical reaction that makes up the procedure of photosynthesis
the source of energy for use and storage at the cellular level
odorless reactive gas
the supporting framework of an organ

Down

is the primary producer in a food chain
absorbing energy in the form of work
clear liquid that has no taste
membrane bound compartments inside chloroplasts
the reaction which occurs in the first phase of photosynthesis
a colorless and nonflammable gas
the main type of sugar in the blood
a pigment present in all green plants and a few other organisms
a substance that gives color to other material

16 Clues: odorless reactive gas • clear liquid that has no taste • a colorless and nonflammable gas • the main type of sugar in the blood • absorbing energy in the form of work • the supporting framework of an organ • is the primary producer in a food chain • a substance that gives color to other material • membrane bound compartments inside chloroplasts • ...

Cellular Respiration 2025-01-30

Across

The second step of cellular respiration where
A way of creating a little ATP without using oxygen
Charged molecule used to make ATP in Cellular respiration
A way of creating a lot of ATP using oxygen
example of anaerobic respiration
Substances present at the end of a chemical reaction
Uncharged molecule that can be turned into ATP to store energy
amounts of ATP are created.
product of cellular respiration, reactant needed for photosynthesis
Glucose + Oxygen → ATP + Carbon Dioxide + Water

Down

final step of cellular respiration where ATP and water is produced
example of anaerobic respiration
Substances present at the beginning of a chemical reaction
the first step of cellular respiration where, in the cytoplasm, glucose turns into pyruvate.
uncharged molecule in cellular respiration that can be charged and turned into NADH
A product of glycolysis used in the krebs cycle
A form or aerobic respiration that happens in the

17 Clues: amounts of ATP are created. • example of anaerobic respiration • example of anaerobic respiration • A way of creating a lot of ATP using oxygen • The second step of cellular respiration where • A product of glycolysis used in the krebs cycle • Glucose + Oxygen → ATP + Carbon Dioxide + Water • A form or aerobic respiration that happens in the • ...

matter and change 2025-08-14

Across

beginning substances that start a reaction
a measure of the amount of space that is occupied
process that releases energy into the surroundings
measured with a scale, affected by gravity
substances that are formed during the reaction
depends on the amount of matter in the sample
energy energy of motion

Down

properties a property that can be observed and measured without changing the material's composition
a process that absorbs energy from the surroundings
energy energy possessed by an object due to its position, composition or condition
a measure of the amount of energy
the capacity to do work or transfer energy
anything with mass that occupies space
the study of the composition, structure, and properties of matter and the changes it undergoes.
depends on the type of matter, not the amount present
properties the ability of a substance to undergo a specific chemical change

16 Clues: energy energy of motion • a measure of the amount of energy • anything with mass that occupies space • beginning substances that start a reaction • the capacity to do work or transfer energy • measured with a scale, affected by gravity • depends on the amount of matter in the sample • substances that are formed during the reaction • ...

Substance Use/Abuse Prevention 2024-03-19

Substance Use/Abuse Prevention crossword puzzle

Across

Using chemical substance without instruction
A chemical substance that alters body or behavior
Major ingredients in a product
Using a chemical substance to get high
The effect of substances that reduced by the other
Legal dugs, OTC, or Prescription
Not controlled effects caused by a substance
The need to increase amount of substance to get effects

Down

When the product has a listed "warning" which means one should not use it
A product used to enhance a functioning body (not FDA regulated)
Using chemical substance with instruction
The body's reaction when giving up a substance
Need for chemical substance/cannot function without it
The effect of the substance increased by the other
Disease that changes structure and chemistry of brain due to use of drug
What the product is intended to be used for

16 Clues: Major ingredients in a product • Legal dugs, OTC, or Prescription • Using a chemical substance to get high • Using chemical substance with instruction • What the product is intended to be used for • Using chemical substance without instruction • Not controlled effects caused by a substance • The body's reaction when giving up a substance • ...

Unit 6b 2017-03-20

Across

a chemical reaction that requires an input of energy usually feels cold when it absorbs the heat in the reaction
electrons on the outermost energy level of an atom that determines its reactivity
vertical on the periodic table that have similar physical and chemical properties
an interaction that holds an atom together
elements that have metal and nonmetal properties are found in a zig zag in the pattern

Down

a chemical reaction in which heat is released and usually feels warm when the heat is released
states that matter is neither created nor destroyed in ordinary physical and chemical changes
horizontal on the periodic table that have the same number of electron shells

8 Clues: an interaction that holds an atom together • horizontal on the periodic table that have the same number of electron shells • electrons on the outermost energy level of an atom that determines its reactivity • vertical on the periodic table that have similar physical and chemical properties • ...

Organic Chemistry Crossword! 2025-02-02

Organic Chemistry Crossword! crossword puzzle

Across

An organic compound with a terminal carbonyl group (C=O) at the end of a chain.
A reaction where one atom or group is replaced by another.
A compound containing a nitrogen atom bonded to carbon or hydrogen.
A reaction where atoms are removed, forming a double bond.
A benzene ring with a hydroxyl (-OH) group attached.
Reaction An elimination reaction that proceeds in two steps via a carbocation intermediate.
A structural isomer that rapidly interconverts with another form.
A large molecule composed of repeating subunits called monomers.
A reaction where water breaks a bond in a compound.
A reaction where atoms add across a double or triple bond.
A process where monomers combine to form a polymer.
A cyclic compound with alternating double bonds, following Huckel’s rule.
A species that donates an electron pair in a reaction.
Rule A rule that determines whether a cyclic compound is aromatic.
A hydrocarbon containing at least one triple bond.
Reaction A one-step elimination reaction where a base removes a proton, forming a double bond.
A reaction involving the loss of electrons or an increase in oxidation state.
An organic compound derived from a carboxylic acid and an alcohol.
An organic compound containing an -OH group.
The base-catalyzed hydrolysis of an ester, commonly used in soap making.
A compound with a carbonyl group (C=O) within a carbon chain.
A reaction involving the gain of electrons or a decrease in oxidation state.
A hydrocarbon containing at least one double bond.

Down

Stereoisomers that are not mirror images of each other.
The delocalization of electrons within a molecule, often in aromatic compounds.
Group A specific group of atoms responsible for a compound’s chemical properties.
Reaction A nucleophilic substitution reaction that proceeds in two steps with a carbocation intermediate.
A species that accepts an electron pair in a reaction.
Rule A rule stating that the most stable (more substituted) alkene is favored in an elimination reaction.
A functional group (-COOH) found in carboxylic acids.
Rule A rule stating that the more substituted carbon gets the additional hydrogen in an addition reaction.
One of two mirror-image forms of a chiral molecule.
A compound with a carbonyl group (C=O) bonded to a nitrogen atom.
A hydrocarbon with only single bonds between carbon atoms.
A compound with an oxygen atom bonded to two carbon atoms (-O-).
Reaction A nucleophilic substitution reaction that occurs in a single step with inversion of configuration.
Compounds with the same molecular formula but different structures.
A compound containing a sulfur-hydrogen (-SH) group.
The property of a molecule that makes it non-superimposable on its mirror image.
A species with an unpaired electron.

40 Clues: A species with an unpaired electron. • An organic compound containing an -OH group. • A hydrocarbon containing at least one triple bond. • A hydrocarbon containing at least one double bond. • One of two mirror-image forms of a chiral molecule. • A reaction where water breaks a bond in a compound. • A process where monomers combine to form a polymer. • ...

Changes around us 2019-05-20

Across

rusting of iron
the original substances present is known as
the molten wax becomes solid when cooled
the new substances formed during our after chemical reaction

Down

the energy required to stay a chemical reaction
A chemical change occurs when there is a ______
chlorophyll in plants

Chapter 13 Crossword made by: Danielle Head 2018-03-04

Chapter 13 Crossword made by: Danielle Head crossword puzzle

Across

No atoms are gained or lost in any reaction.
What would this reaction be? AB+CD --> AD+CB
When there is a net absorption of energy.
Substance that lowers the activation energy of a chemical reaction.
When there is a net release of energy.

Down

What would this reaction be? AB --> A+B
What reaction would this be? A+B --> AB
How quickly the the concentration of reactants decreases and how quickly the concentration of products increases.
What reaction would this be? A+BC --> AC+B
This happens when a reaction creates a new color, gives off heat/light, gas has formed, and precipitate forms.

10 Clues: When there is a net release of energy. • What would this reaction be? AB --> A+B • What reaction would this be? A+B --> AB • When there is a net absorption of energy. • What reaction would this be? A+BC --> AC+B • No atoms are gained or lost in any reaction. • What would this reaction be? AB+CD --> AD+CB • ...

Proteins 2022-04-29

Across

Where the enzyme works upon in the reaction.
This is made in the Ribosome.
Where the reaction builds up smaller substrates into larger products.
The building blocks that make proteins.
The substance produced at the end of the reaction.
The protein that speeds up chemical reactions and are known as biological catalysts.

Down

Part of the enzyme on where the substrate binds to in a reaction.
Where the reaction breaks down larger substrates into smaller products.
Where the enzyme is most active in a reaction.
When the enzyme changes shape that results in them no longer binding to the substrate and it will affect the rate of the reaction.

Physical and Chemical Properties 2021-08-25

Physical and Chemical Properties crossword puzzle

Across

The ability of a substance to ignite causing fire
The gradual wearing away of a metal element due to a chemical reaction
Ability to transfer heat or electricity
Depends on the amount of matter being observed
Material that can be pulled out into a wire
A material's acidity or basicity level
The act or process of burning
Temperature at which a material becomes a solid
The amount of space that matter occupies
The ability to dissolve

Down

Material that can be hammered or rolled into flat sheets
The quality relative degree, or specific degree of being toxic or poisonous.
The properties of attraction possessed by magnets
The resistance of a liquid to flow
The measurement of how much mass of a substance is contained in a given volume
The longest extent of anything as measured from end to end
Does not depend on the amount of matter being observed
The rate at which material undergoes a chemical reaction
To dull the luster of a metallic surface
The measure of how much matter is in an object

20 Clues: The ability to dissolve • The act or process of burning • The resistance of a liquid to flow • A material's acidity or basicity level • Ability to transfer heat or electricity • To dull the luster of a metallic surface • The amount of space that matter occupies • Material that can be pulled out into a wire • Depends on the amount of matter being observed • ...

Chemistry Unit Essential Terms 2017-02-08

Chemistry Unit Essential Terms crossword puzzle

Across

1 or 2 letters to name an element
brittle, not malleable or ductile, poor conductors
heating Endothermic cooling
the number of atoms must be the same on both sides of the equation
a substance that cannot chemically be broken down into a simpler substance
energy level or shell
electrons on outside layer of atoms, form bonds with other atoms
a substance formed when 2 or more chemicals are chemically bonded together
the ingredients produced after the reaction takes place

Down

mass of an element
made periodic table
gaseous elements with very low chemical reactivity, odorless, colorless, monatomic gases
carries a negative charge
characteristics of both metals and nonmetals
the ingredients present before the reaction begins
carries a positive charge
both the number of protons and electrons
carries a neutral charge
a vertical column of elements on the periodic table
a form of matter that may not be further broken down using any chemical means
solid, shiny, conductive, malleable, ductile
the center of an atom
a horizontal row of elements on the periodic table

23 Clues: mass of an element • made periodic table • energy level or shell • the center of an atom • carries a neutral charge • carries a negative charge • carries a positive charge • heating Endothermic cooling • 1 or 2 letters to name an element • both the number of protons and electrons • characteristics of both metals and nonmetals • solid, shiny, conductive, malleable, ductile • ...

Revision for Test 2013-09-20

Across

A substance is high in hydrogen ions
A biological catalyst
What opens and closes the stoma
A base that dissolves in water
The waxy top part of the leaf
A reaction where glucose is broken down to release energy
The chemical that makes plants green
What cell carries glucose and other chemicals away from the leaf
What is the term used to define rain that has higher than usual carbon dioxide level
What part of the leaf lets gases come in and out

Down

A substance high in hydroxide ions
Single collect organisms that live in water
Chemical that states whether a subtance is neutral, basis or acidic
The reaction that takes place between an acid and base
What cell supplies water to the leaf
Sodium chloride,copper nitrate and iron phosphate are all...
A simple sugar essential for photosynthesis to take place
Materials that store carbon in their structure
Scale used to measure the concentration of a substance
What causes the sour taste of grapefruit

20 Clues: A biological catalyst • The waxy top part of the leaf • A base that dissolves in water • What opens and closes the stoma • A substance high in hydroxide ions • A substance is high in hydrogen ions • What cell supplies water to the leaf • The chemical that makes plants green • What causes the sour taste of grapefruit • Single collect organisms that live in water • ...

Chemistry Unit Study Guide 2016-02-10

Chemistry Unit Study Guide crossword puzzle

Across

compound that are formed when a reaction goes to completion
positive charge
states mass in an isolated system is neither created, nor destroyed by chemical reactions of physical transformation
on periodic table
shiny,hard,malleable and ductile
composed of two or more separate elements
number of protons in nucleus of atom
negative charge
energy released/hot
atomic weight I'd another name
no charge
known as family
elements with the same number of electron shells arranged in same row

Down

created periodic table
groups of atoms bonded together
helium,neon,argon,krypton,Xeon,radon are this.
electrons in outermost orbital
substance that is not a metal
element whose properties are intermediate between those of metals and solid non-metals
element name on periodic table
basic unit of a chemical element
energy absorbed/cold
substance consumed during the reaction to make products
thin coating of gold, silver, or other metal
regions of space outside the nucleus of atom
center of the atom built of protons and neutrons

26 Clues: no charge • positive charge • negative charge • known as family • on periodic table • energy released/hot • energy absorbed/cold • created periodic table • substance that is not a metal • electrons in outermost orbital • element name on periodic table • atomic weight I'd another name • groups of atoms bonded together • basic unit of a chemical element • shiny,hard,malleable and ductile • ...

Extra Credit Crossword (Physical science) 2023-12-11

Extra Credit Crossword (Physical science) crossword puzzle

Across

Not metal
Negatively charged particle
Elements are organized on this table
Transfer of electrons
Iron, gold, silver etc.
Substance at end of chemical reaction
Energy is absorbed
Produced by taking/adding electrons from a neutral atom
Ability of a substance to react chemically with another substance
A compound is made from a simpler materials
Substance present at beginning of chemical reaction
Energy is expelled
Does the object float or sink? What is the objects __

Down

Sharing of electrons by atoms
Numbers and letters together to form a math problem
Same mass as proton but without electric charge
Positive and negative ions switch places
Compound is broken down into simpler compounds
Compound with carbon and hydrogen combine with oxygen gas to produce carbon dioxide and water
Result can be undone or returned back
result cannot be undone, changed at the molecular level
One element starts by itself but then replaces another
Subatomic particle
Atoms of the same element with different numbers of neutrons

24 Clues: Not metal • Energy is absorbed • Subatomic particle • Energy is expelled • Transfer of electrons • Iron, gold, silver etc. • Negatively charged particle • Sharing of electrons by atoms • Elements are organized on this table • Result can be undone or returned back • Substance at end of chemical reaction • Positive and negative ions switch places • ...

Science 2024-07-03

Across

The solution used to test for Starch.
The process of supplying air to the lungs. (Not Respiration)
A fertilised egg cell.
Sacrifical Protection involves sacrificing one material to save another from what?
The X axis on a graph represents what type of variable?
An irreversible type of reaction in which a new product is formed.
The differences in a type of species
Limewater becomes what colour in the presence of Carbon Dioxide.
The unit for energy. (Starts with the letter J)
Respiration using oxygen is what?

Down

Joint Monomers.
Incomplete Combustion occurs when there is a lack of what in the chemical reaction?
A type of book or article to publish scientific findings.
Able to be broken down naturally. (No hyphen in answer)
A type of field that's direction is from the North to South pole.
Any preservational store of genetic information is called a gene what?
A term to describe a no longer existent species.
The formula for speed is the total distance divided by the total what?
The common term for Dihydrogen Monoxide.
The sacrificial material for Sodium.

20 Clues: Joint Monomers. • A fertilised egg cell. • Respiration using oxygen is what? • The differences in a type of species • The sacrificial material for Sodium. • The solution used to test for Starch. • The common term for Dihydrogen Monoxide. • The unit for energy. (Starts with the letter J) • A term to describe a no longer existent species. • ...

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