chemical reaction Crossword Puzzles

Lesson 4 Vocabulary Crossword 2022-10-20

Lesson 4 Vocabulary Crossword crossword puzzle

Across

Type of decomposition reaction where one of the reactants is water
Reaction in which small molecules are assembled into large molecules by removing water
Chemical substances that neutralize alkalis, dissolves metals, and turns litmus red; sour-tasting

Down

Substance in which two or more elements are combined
Small molecules that are the building blocks of proteins
Chemically organic functional group composed of a carbon atom double bonded to an oxygen atom
substances that are slippery, taste bitter, change the color of indicators
Chemical compound in which two or more atoms of carbon are covalently linked to atoms of other elements
substance produced by the reaction of an acid with a base
Chemical group, ion, or radical OH that consists of one hydrogen atom and one oxygen atom; is neutral or negatively charged

10 Clues: Substance in which two or more elements are combined • Small molecules that are the building blocks of proteins • substance produced by the reaction of an acid with a base • Type of decomposition reaction where one of the reactants is water • substances that are slippery, taste bitter, change the color of indicators • ...

Vocabulary 2024-10-17

Across

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged

Down

a change of matter from one form to another without a change in chemical properties; only physical changes
a change that occurs when one or more substances change into entirely new substances with different properties
a substance or molecule that is formed in a chemical reaction; the final output
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a substance or molecule that participates in a chemical reaction; the ingredients that you start with

8 Clues: a substance or molecule that is formed in a chemical reaction; the final output • a solid formed by a change in a solution, often due to a chemical reaction or change in temperature • a substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...

Vocabulary 2024-10-17

Across

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged

Down

a change of matter from one form to another without a change in chemical properties; only physical changes
a change that occurs when one or more substances change into entirely new substances with different properties
a substance or molecule that is formed in a chemical reaction; the final output
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a substance or molecule that participates in a chemical reaction; the ingredients that you start with

Science Vocab Crossword 2025-10-17

Science Vocab Crossword crossword puzzle

Across

A substance or molecule that is formed in a chemical reaction; the final output
A change that occurs when one or more substances change into entirely new substances with different properties
A representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a substance or molecule that participates in a chemical reaction; the ingredients that you start with

Down

States that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
A solid formed by a change in a solution, often due to a chemical reaction or change in temperature
A change of matter from one form to another without a change in chemical properties; only physical changes
Happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials

8 Clues: A substance or molecule that is formed in a chemical reaction; the final output • A solid formed by a change in a solution, often due to a chemical reaction or change in temperature • a substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...

Vocab words crossword puzzle 2025-10-20

Vocab words crossword puzzle crossword puzzle

Across

a change that occurs when one or more substances change into entirely new substances with different properties
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
a substance or molecule that is formed in a chemical reaction; the final output

Down

states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a change of matter from one form to another without a change in chemical properties; only physical changes
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product

Science 2014-08-11

Across

Ignition Point
Solution Suspension
Change Solute
Concentrated
States Of Matter
Neutralise

Down

Substance
Chemical reaction
Solid
Melting
Change

11 Clues: Solid • Change • Melting • Substance • Neutralise • Concentrated • Change Solute • Ignition Point • States Of Matter • Chemical reaction • Solution Suspension

school subjects 2025-10-30

Across

songs
mixing
george Washington
painting
jungle
footbol americano

Down

to drink
silk road
1+2
beber
chemical reaction

11 Clues: 1+2 • beber • songs • mixing • jungle • to drink • painting • silk road • chemical reaction • george Washington • footbol americano

NUCLEAR ENERGY CROSSWORD 2023-11-03

NUCLEAR ENERGY CROSSWORD crossword puzzle

Across

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
a nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.
the total number of protons and neutrons in a nucleus.
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Down

a fast-moving electron emitted by radioactive decay of substances.
penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
the time taken for the radioactivity of a specified isotope to fall to half its original value.
reaction a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

14 Clues: the total number of protons and neutrons in a nucleus. • a fast-moving electron emitted by radioactive decay of substances. • a helium nucleus emitted by some radioactive substances, originally regarded as a ray. • the time taken for the radioactivity of a specified isotope to fall to half its original value. • ...

Chemistry 2017-02-17

Across

a solid that forms in a chemical reaction.
a change that's observable that indicates a chemical reaction
the ability to bend a metal without it breaking
the process where one substance is changed to a different substance. Indicators show this reaction.
a mixture that is made up of the same components throughout the whole thing.
the basic unit of a element

Down

made up of atoms and is pure.
a change that changes the physical form of something.
a mixture that is physically separated

9 Clues: the basic unit of a element • made up of atoms and is pure. • a mixture that is physically separated • a solid that forms in a chemical reaction. • the ability to bend a metal without it breaking • a change that changes the physical form of something. • a change that's observable that indicates a chemical reaction • ...

Metabolism & Enzyme 2021-10-22

Across

substances that participate in chemical reactions
amount of disorder in a system
a ball rolling down a hill
substances that form as a result of a chemical reaction
enzyme shape changes, it can't bind

Down

chemical reactions that take place in a cell
composed of adenosine, ribose, and three phosphate groups
speed up chemical reactions
a ball sitting on top of a hill
release energy
absorb energy

11 Clues: absorb energy • release energy • a ball rolling down a hill • speed up chemical reactions • amount of disorder in a system • a ball sitting on top of a hill • enzyme shape changes, it can't bind • chemical reactions that take place in a cell • substances that participate in chemical reactions • substances that form as a result of a chemical reaction • ...

thomas vocab 2.1 2021-10-27

Across

thermal reaction
the substances present before
a chemical reaction
a chemical reaction

Down

a chemical change
the substances that are formed
a change in matter
material that has mass

8 Clues: thermal reaction • a chemical change • a change in matter • a chemical reaction • a chemical reaction • material that has mass • the substances present before • the substances that are formed

Chemical vs Physical Change 2019-05-14

Chemical vs Physical Change crossword puzzle

Across

When a liquid turns into a solid
A physical change will often change the ________ of an object
What we make to help us tell if a change is physical or chemical
When a solid turns into a liquid
A chemical change is usually not ______________
These bonds are formed in a chemical reaction

Down

An ___________ is a sign of a chemical change
Changes of __________ are physical changes
If we feel the equipment during a chemical change we may notice a change in _____________
A clue that a chemical change has taken place is a change in ____________
If a gas is produced during a chemical change you may see ___________
When a liquid becomes a gas
A clue that a chemical change has taken place is a change in ____________

13 Clues: When a liquid becomes a gas • When a liquid turns into a solid • When a solid turns into a liquid • Changes of __________ are physical changes • An ___________ is a sign of a chemical change • These bonds are formed in a chemical reaction • A chemical change is usually not ______________ • A physical change will often change the ________ of an object • ...

Vocabulary List 2019-11-25

Across

site of light dependent reaction
the product of fermentation in animal cells
linked series of chemical reactions like the calvin cycle
C6H1206 end product of phototsynthesis
the site of 1/3 of celllular respiration
the product of fermentation in plant cells
The process by whuch plants and animals make ATP
C02 product of light dependent reaction
the site of 2/3 of cellular respiration
not requiring oxygen

Down

process that uses glucose to make pyruvate
process end product is glucose
The process by which plants make food
converts ADP to ATP and makes C02 and H20
transfers electrons and creates a ton of ATP
requires Oxygen
the process used to make energy without oxygen
H20 product of light dependent reaction
Energy
02 end product of photosynthesis

20 Clues: Energy • requires Oxygen • not requiring oxygen • process end product is glucose • site of light dependent reaction • 02 end product of photosynthesis • The process by which plants make food • C6H1206 end product of phototsynthesis • H20 product of light dependent reaction • C02 product of light dependent reaction • the site of 2/3 of cellular respiration • ...

32 2025-11-30

Across

Unit of current flow
Unit of electric charge
Collection of electrochemical cells
Study of chemical and electrical energy conversion
Substance that dissolves another
Unit of potential difference
Rate of energy use or transfer
Solution holding maximum solute amount
Solution that can dissolve more solute
Homogeneous mixture of two or more substances
Substance being dissolved
Metal deterioration through oxidation
Accepts electrons in redox process

Down

Uses electricity to drive nonspontaneous reaction
Device generating electricity from reaction
Voltage for half-reaction under standard conditions
Opposition to electric flow
Amount of solute that dissolves at given temperature
Measured under 1 M, 1 atm, 25°C
Contains more solute than normally possible
Equation correcting potential for nonstandard conditions
Flow of electric charge
Ability to carry electric current
Constant representing one mole of charge
Unit of electrical resistance

25 Clues: Unit of current flow • Unit of electric charge • Flow of electric charge • Substance being dissolved • Opposition to electric flow • Unit of potential difference • Unit of electrical resistance • Rate of energy use or transfer • Measured under 1 M, 1 atm, 25°C • Substance that dissolves another • Ability to carry electric current • Accepts electrons in redox process • ...

Science Review 2021-04-21

Across

change, a change that involves atoms rearranging to form new substances
law of conservation of mass, mass cannot be created nor destroyed
system, a system in which mass and energy cannot enter or escape
to collect toxic waste so it can be used again
reaction, a reaction that involves creating new substances and rearranging atoms
liquid, gas, solid
nothing is gained nor lost
a solid that fired when you mix two liquid substances
limitations to your design
system, a system in which energy and mass can both enter and escape

Down

more energy is being gained than emitted
what you get after a chemical reaction
energy, the total energy of motion of the particles in a sample of a substance
things you need to make the reaction happen
an early model of a product
more energy is being emitted than gained
the minimum
to mix substances on a scale of individual particles

18 Clues: the minimum • liquid, gas, solid • nothing is gained nor lost • limitations to your design • an early model of a product • what you get after a chemical reaction • more energy is being gained than emitted • more energy is being emitted than gained • things you need to make the reaction happen • to collect toxic waste so it can be used again • ...

Physics 2016-09-01

Across

nuclear force the force that holds particles together
energy energy the holds nucleus together
mass unit to express atomic weights
a subatomic particle
nuclear force responsible for beta and decay of hadrons
reaction change the identity of the atomic nucleus
when things are being done
emission of ionizing radiation
splitting
production changing of radiation quantum to electron and positron
decay atomic nucleus loses energy
reaction a chemical reaction of products
number total # of protons and neutrons

Down

joining two or more things together
elementary particle of matter
specific # of protons and neutrons
a proton or neutron
half of the radioactive value
model math model of elementary particles of matter
decay when an electron is emitted
carriers give rise to forces between other particles
decay # of reduced by 4 an atomic number by 2

22 Clues: splitting • a proton or neutron • a subatomic particle • when things are being done • elementary particle of matter • half of the radioactive value • emission of ionizing radiation • decay when an electron is emitted • decay atomic nucleus loses energy • specific # of protons and neutrons • joining two or more things together • mass unit to express atomic weights • ...

Biology Crossword 2021-01-27

Across

organelle near nucleus in an animal cell.
Constrain to population size.
without air.
As known as the nuclear membrane.
Connects all other types of tissue.
All living things are composed of cells.
leave to find a different habitat.
pigment that runs photosynthesis.
Protection.
Cell changes from one type to another.

Down

Reaction product used to regulate.
Also known as the citric acid cycle.
Send and receive signals.
Organism make their own food.
small molecules bond together.
chemical fuel for living things.
Dark reaction or light independent.
particles move from high to low concentration.
how an organism uses it's environment.
Process that passes matter from an organism to the biosphere.
speeds up a reaction.
atoms of the same element with different numbers of neutrons.
attraction between molecules of the same substance.
balanced conditions maintained by living things.
attraction between molecules of different substances.

25 Clues: Protection. • without air. • Send and receive signals. • speeds up a reaction. • Organism make their own food. • Constrain to population size. • As known as the nuclear membrane. • Reaction product used to regulate. • pigment that runs photosynthesis. • Dark reaction or light independent. • Connects all other types of tissue. • Also known as the citric acid cycle. • ...

Biology Crossword! 2022-12-12

Across

The organelle in which respiration takes place
The part of the leaf which transports water
How glucose is stored in plants
The variable which is changed
The point at which levels of Respiration and Photosynthesis are the same
The water plant used in many tests
The alcohol used to remove chlorophyll from leaves
The protective layer on the top of the leaf
The thing that makes plants green
organelle that controls the cell's DNA
The organelles which produce enzymes

Down

The chemical name for the liquid used in Photosynthesis
A cell with an adaption
The site of photosynthesis
The reaction in which the plant produces Water
The waste gas produced in Respiration
The outer organelle found in plants (which can provide structure)
Mineral needed for the reaction which produces Glucose
The reaction in which the plant produces oxygen
The part of the leaf which transports sugars
How particles move through a substance

21 Clues: A cell with an adaption • The site of photosynthesis • The variable which is changed • How glucose is stored in plants • The thing that makes plants green • The water plant used in many tests • The organelles which produce enzymes • The waste gas produced in Respiration • How particles move through a substance • organelle that controls the cell's DNA • ...

800 2025-11-16

Across

Unit of current flow
Unit of electric charge
Collection of electrochemical cells
Study of chemical and electrical energy conversion
Substance that dissolves another
Unit of potential difference
Rate of energy use or transfer
Solution holding maximum solute amount
Solution that can dissolve more solute
Homogeneous mixture of two or more substances
Substance being dissolved
Metal deterioration through oxidation
Accepts electrons in redox process

Down

Uses electricity to drive nonspontaneous reaction
Device generating electricity from reaction
Voltage for half-reaction under standard conditions
Opposition to electric flow
Amount of solute that dissolves at given temperature
Measured under 1 M, 1 atm, 25°C
Contains more solute than normally possible
Equation correcting potential for nonstandard conditions
Flow of electric charge
Ability to carry electric current
Constant representing one mole of charge
Unit of electrical resistance

8.1 How Organisms Obtain Energy 2022-01-16

8.1 How Organisms Obtain Energy crossword puzzle

Across

Almost all the energy in living organisms originates from the ______
Organism that makes its own food
The ability to do work
ATP is a nucleotide made of an adenine base, a ribose sugar, and three __________ groups
The catabolic pathway in which organic molecules are broken down to release energy for use by the cell is called Cellular _______________
ATP can be broken down into ______ and a free phosphate group
The first law of thermodynamics is the law of _______________ of energy, which states that energy can be converted, but not created nor destroyed
The study of the flow and transformation of energy
The anabolic pathway in which light energy from the Sun is converted to chemical energy for use by the cell

Down

Autotroph that converts energy from the Sun
The measure of disorder, or unusable energy, in a system
A series of chemical reactions in which the product of one reaction is the substrate for the next reaction is called a metabolic _____________
Organism that needs to ingest food to obtain energy
Autotroph that converts inorganic substances as a source of energy
The _________ pathway uses the energy released by catabolic pathways to build larger molecules from smaller molecules
The _________ pathway releases energy by breaking down larger molecules into smaller molecules
The most important biological molecule that provides chemical energy
All of the chemical reactions in a cell

18 Clues: The ability to do work • Organism that makes its own food • All of the chemical reactions in a cell • Autotroph that converts energy from the Sun • The study of the flow and transformation of energy • Organism that needs to ingest food to obtain energy • The measure of disorder, or unusable energy, in a system • ...

CHEMISTRY 10 FA1 2013-14 2013-04-21

CHEMISTRY 10 FA1 2013-14 crossword puzzle

Across

The reaction in which heat is given out
It is a short hand method of representing a chemical reaction in terms of symbols and formulae of the different chemical reactants and products
A substance turns milky (ppt of calcium carbonate) when carbon dioxide gas is passed through it
It is a type of decomposition in which lead nitrate gives more than two products

Down

It is a reaction that takes place in teh presence of sunlight
Nitrogen and hydrogen gas react to give a single product ammonia
The gas evolved when zinc reacts with sulphuric acid
It is the process in which water is split to give hydrogen and oxygen gas
The white precipitate formed when barium chloride reacts with sodium sulphate
Respiration is a type of _____ change

10 Clues: Respiration is a type of _____ change • The reaction in which heat is given out • The gas evolved when zinc reacts with sulphuric acid • It is a reaction that takes place in teh presence of sunlight • Nitrogen and hydrogen gas react to give a single product ammonia • It is the process in which water is split to give hydrogen and oxygen gas • ...

Vocabulary Crossword puzzle 2023-10-17

Vocabulary Crossword puzzle crossword puzzle

Across

a change that occurs when one or more substances change into entirely new substances with different properties
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
a substance or molecule that is formed in a chemical reaction; the final output

Down

states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a change of matter from one form to another without a change in chemical properties; only physical changes
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product

Science Vocabulary 2024-10-16

Across

A change that occurs when one or more substances change into entirely new substances with different properties
A change of matter from one form to another without a change in chemical properties; only physical changes
A substance or molecule that is formed in a chemical reaction; the final output
A solid formed by a change in a solution, often due to a chemical reaction or change in temperature
States that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged

Down

Happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
A substance or molecule that participates in a chemical reaction; the ingredients that you start with
A representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product

8 Clues: A substance or molecule that is formed in a chemical reaction; the final output • A solid formed by a change in a solution, often due to a chemical reaction or change in temperature • A substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...

Vocabulary 2025-10-17

Across

a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a change that occurs when one or more substances change into entirely new substances with different properties
a change of matter from one form to another without a change in chemical properties, only physical changes
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged

Down

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
a substance or molecule that is formed in a chemical reaction; the final output
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature

chemical reactoin 2025-10-16

Across

states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a change of matter from one form to another without a change in chemical properties; only physical changes
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials

Down

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a change that occurs when one or more substances change into entirely new substances with different properties
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a substance or molecule that is formed in a chemical reaction; the final output

Balancing Chemical Equations Vocab 2024-12-13

Balancing Chemical Equations Vocab crossword puzzle

Across

substances present after a chemical reaction
the symbol used to separate the reactants side and product side in a chemical equation
three words, states that matter cannot be created or destroyed
large numbers in front of a molecule that shows how many of them there are in the equation
substances present before a chemical reaction

Down

used to describe a chemical equation that is not equal on both sides
small numbers behind an element symbol that show how many of an atom there are in a molecule
anything that has mass and takes up space
used to describe a chemical equation equal on both sides

9 Clues: anything that has mass and takes up space • substances present after a chemical reaction • substances present before a chemical reaction • used to describe a chemical equation equal on both sides • three words, states that matter cannot be created or destroyed • used to describe a chemical equation that is not equal on both sides • ...

Law of Conservation of Mass 2015-11-23

Law of Conservation of Mass crossword puzzle

Across

when a match is lit we see another evidence for chemical change, which is the presence of _______ or light
chemicals present prior to reaction
the amount of material in an object
nothing can be __________, nothing can be destroyed
the instrument used to measure mass, another word for this is a scale

Down

if the chemicals present before the reaction weigh 1223 kg, we expect the chemicals remaining after the reaction to also weigh 1223 ________
chemicals remaining once the reaction is complete
__________ of a gas takes place when vinegar is mixed with baking soda
________ change takes place when leaves change in the fall, and this is evidence for chemical change.
formation of a _________ takes place when vinegar mixes with milk, producing cheese curds and liquid whey

10 Clues: chemicals present prior to reaction • the amount of material in an object • chemicals remaining once the reaction is complete • nothing can be __________, nothing can be destroyed • the instrument used to measure mass, another word for this is a scale • __________ of a gas takes place when vinegar is mixed with baking soda • ...

chapter 13 kristiana 2019-09-30

Across

of times atoms appear before the arrom must be equal to the number of times atoms appear after the arrow.
reaction there is a net of absorption of energy.
appears as a result of a chemical.
of mass conservation: No atoms are gained or lost during any reaction.
energy is the amount of energy required to pull two bonded atoms apart.

Down

reaction there is a net release of energy.
equations must be BALANCED.
Energy is also called Bond Energy.
→ Products

9 Clues: → Products • equations must be BALANCED. • Energy is also called Bond Energy. • appears as a result of a chemical. • reaction there is a net release of energy. • reaction there is a net of absorption of energy. • of mass conservation: No atoms are gained or lost during any reaction. • energy is the amount of energy required to pull two bonded atoms apart. • ...

8th Grade Science 2023-12-06

Across

Speed=Distance/Time
Straight line going up on a distance vs. time graph.
In the nucleus with a neutral charge.
Straight horizontal line on a distance vs. time graph.
The force applied in one direction is greater than the force applied in the opposite direction.
A curved line on a distance vs. time graph.
How fast something is going.
An object in motion remains in motion unless acted on by an unbalanced force.
Two or more molecules producing a new product(s).
On the rings of an atom.

Down

Symbolic representation of chemical reaction.
For every action there is an equal and opposite reaction.
The rate of change of velocity.
Positive charge in the nucleus.
Net force is equal to mass times acceleration.
Those that are opposite in direction and equal in size.
Are shiny and malleable.
On the last ring of an atom.
On the staircase of the Periodic Table.
Numbers that come after a symbol in a chemical equation.

20 Clues: Speed=Distance/Time • Are shiny and malleable. • On the rings of an atom. • On the last ring of an atom. • How fast something is going. • The rate of change of velocity. • Positive charge in the nucleus. • In the nucleus with a neutral charge. • On the staircase of the Periodic Table. • A curved line on a distance vs. time graph. • Symbolic representation of chemical reaction. • ...

Elnathan Leul: Science Crossword Puzzle 2025-03-19

Elnathan Leul: Science Crossword Puzzle crossword puzzle

Across

the process by which plants and some bacteria convert light energy, typically from sunlight, into chemical energy (sugars) using carbon dioxide and water, releasing oxygen as a byproduct.
a substance that takes part in and undergoes change during a reaction.
the substances that are formed as a result of a chemical reaction.
Reaction a process that leads to the chemical transformation of one set of chemical substances to another.

Down

Change the material involved in the change is structurally the same before and after the change.
of Matter no matter can ever be created or destroyed.
the ability to do work or cause change.
a simple sugar (monosaccharide) that serves as the primary energy source for the body. It is a six-carbon carbohydrate with the chemical formula C6H12O6.
Resparation the process by which cells break down glucose to produce energy in the form of ATP, with oxygen as a key component in the process, releasing carbon dioxide and water as waste products.

9 Clues: the ability to do work or cause change. • of Matter no matter can ever be created or destroyed. • the substances that are formed as a result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • Change the material involved in the change is structurally the same before and after the change. • ...

Physics 2016-09-01

Across

nuclear force the force that holds particles together
mass unit to express atomic weights
elementary particle of matter
specific # of protons and neutrons
energy energy the holds nucleus together
decay when an electron is emitted
a proton or neutron
reaction a chemical reaction of products
number total # of protons and neutrons
half of the radioactive value

Down

splitting
carriers give rise to forces between other particles
joining two or more things together
production changing of radiation quantum to electron and positron
emission of ionizing radiation
decay atomic nucleus loses energy
reaction change the identity of the atomic nucleus
a subatomic particle
nuclear force responsible for beta and decay of hadrons
model math model of elementary particles of matter
decay # of reduced by 4 an atomic number by 2
when things are being done

22 Clues: splitting • a proton or neutron • a subatomic particle • when things are being done • elementary particle of matter • half of the radioactive value • emission of ionizing radiation • decay atomic nucleus loses energy • decay when an electron is emitted • specific # of protons and neutrons • joining two or more things together • mass unit to express atomic weights • ...

science 2023-10-16

Across

a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a change of matter from one form to another without a change in chemical properties; only physical changes
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a substance or molecule that participates in a chemical reaction; the ingredients that you start with

Down

happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a change that occurs when one or more substances change into entirely new substances with different properties
a substance or molecule that is formed in a chemical reaction; the final output

Science reaction 2023-10-15

Across

happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
a change of matter from one form to another without a change in chemical properties; only physical changes
a substance or molecule that is formed in a chemical reaction; the final output
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged

Down

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a change that occurs when one or more substances change into entirely new substances with different properties
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature

VOCAB Station 2023-10-15

Across

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a change that occurs when one or more substances change into entirely new substances with different properties

Down

states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a substance or molecule that is formed in a chemical reaction; the final output
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
a change of matter from one form to another without a change in chemical properties; only physical changes
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature

Science Vocab 2024-10-17

Across

a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
a change of matter from one form to another without a change in chemical properties; only physical changes
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a substance or molecule that participates in a chemical reaction; the ingredients that you start with

Down

happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a change that occurs when one or more substances change into entirely new substances with different properties
a substance or molecule that is formed in a chemical reaction; the final output

Science Vocab words 2025-10-15

Across

a change of matter from one form to another without a change in chemical properties; only physical changes
a substance or molecule that is formed in a chemical reaction; the final output
a change that occurs when one or more substances change into entirely new substances with different properties
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product

Down

states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials

Science Vocab 2025-10-16

Across

a change that occurs when one or more substances change into entirely new substances with different properties
a change of matter from one form to another without a change in chemical properties; only physical changes

Down

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
: happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
of Mass: states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a substance or molecule that is formed in a chemical reaction; the final output
a substance or molecule that participates in a chemical reaction; the ingredients that you start with
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature

Science Vocab 2025-10-16

Across

a substance or molecule that participates in a chemical reaction; the ingredients that you start with
states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
a substance or molecule that is formed in a chemical reaction; the final output
: happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
a change that occurs when one or more substances change into entirely new substances with different properties

Down

a change of matter from one form to another without a change in chemical properties; only physical changes
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
a solid formed by a change in a solution, often due to a chemical reaction or change in temperature

IPC vocabulary 2019-10-18

Across

a state of matter characterized by particles arranged such that their shape and volume are relatively stable
the name given to a horizontal row of the periodic table
a species of atom having the same number of protons in their atomic nuclei
n element that readily forms positive ions and has metallic bonds
the Potential difference between two electrodes; a measure of the chemical potential for a redox reaction to occur
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
a movement of positive or negative electric particles accompanied by such observable effects as the production of heat, of a magnetic field, or of chemical transformations
an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors
an element that doesn't have the characteristics of metal including: ability to conduct heat or electricity, luster, or flexibility
a column of elements in the periodic table of the chemical elements
a material's ability to conduct electricity
a material made up of two or more different substances which are physically combined

Down

one of the states of matter that has no shape
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment
the opposition that a substance offers to the flow of electric current
the tendency of a substance to undergo chemical reaction
a homogeneous mixture of two or more substances
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
a material whose internal electric charges do not flow freely
the basic unit of a chemical element
a chemical property referring to the ability for a given substance
a state of matter consisting of particles that have neither a defined volume nor defined shape

24 Clues: the basic unit of a chemical element • a material's ability to conduct electricity • one of the states of matter that has no shape • a homogeneous mixture of two or more substances • the name given to a horizontal row of the periodic table • the tendency of a substance to undergo chemical reaction • a material whose internal electric charges do not flow freely • ...

Andrés Navarrete Oxidation 2022-01-18

Andrés Navarrete Oxidation crossword puzzle

Across

Set of steps or operations that occurs to an object to transform or elaborate it
Result of a work or natural or artificial elaboration
Variation of the internal structure of a compound
chemical reaction represented with symbols
Consequence of an action

Down

Method of determining the climate and the degrees that we are
changes in an object, living being, energy, etc.
alterations only in physical properties
Element which allows us to live
action that is reciprocal between two objects, people, energies or entities
chemical reaction when an element loses
Homogeneous matter whose composition is fixed and chemically defined

12 Clues: Consequence of an action • Element which allows us to live • alterations only in physical properties • chemical reaction when an element loses • chemical reaction represented with symbols • changes in an object, living being, energy, etc. • Variation of the internal structure of a compound • Result of a work or natural or artificial elaboration • ...

extra credit-Danny 2024-02-26

Across

an equation that tells you the atoms in molecules
what you end up with in a chemical reaction
multiple different atoms bonded together
types of atoms
the combining of molecules
what you start with in a chemical reaction

Down

atoms bonded together
atoms sharing electrons
a formula that tells you how much of the atoms and molecules are in the reactant and product
a rule that says that matter cannot be destroyed
smallest particle that makes up anything
a small number at the bottom of an atomic symbol that tells how much of it there is

12 Clues: types of atoms • atoms bonded together • atoms sharing electrons • the combining of molecules • smallest particle that makes up anything • multiple different atoms bonded together • what you start with in a chemical reaction • what you end up with in a chemical reaction • a rule that says that matter cannot be destroyed • an equation that tells you the atoms in molecules • ...

extra credit-Danny 2024-02-26

Across

an equation that tells you the atoms in molecules
what you end up with in a chemical reaction
multiple different atoms bonded together
types of atoms
the combining of molecules
what you start with in a chemical reaction

Down

atoms bonded together
atoms sharing electrons
a formula that tells you how much of the atoms and molecules are in the reactant and product
a rule that says that matter cannot be destroyed
smallest particle that makes up anything
a small number at the bottom of an atomic symbol that tells how much of it there is

week 6 2024-02-16

Across

one sided
having the necessary ability, knowledge, or skill to do something successfully.
limit
based on
to make sure
constructed in a rudimentary or makeshift way.
be of the same opinion
comfort someone when needed

Down

a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
to hide
decisive
continuouslydone
to come together
being open and honest
to surpass

15 Clues: limit • to hide • decisive • based on • one sided • to surpass • to make sure • continuouslydone • to come together • being open and honest • be of the same opinion • comfort someone when needed • constructed in a rudimentary or makeshift way. • having the necessary ability, knowledge, or skill to do something successfully. • ...

Unit 1 notes 2021-08-26

Across

simple sugar made in producers
One species benefits while the other is not affected
an animal or person that eats food of both plant and animal origin
a chemical reaction that uses sunlight to make glucose and oxygen
A close, long -term relationship between organisms
Consumer eat only producer
eat decomposing organisms

Down

must eat other organisms to get energy
dioxide the gas that plants (and other producers) breathe in, and humans (and other animals) breathe out
One species benefits and the other is harmed
cellular energy
respiration a chemical reaction that uses glucose and oxygen to make ATP, in the mitochondria
Consumer eat primary consumers (eat omnivores and carnivores)
perform photosynthesis to make their own glucose
Consumer Eat secondary consumers
Good for both organisms because oth pieces benefit

16 Clues: cellular energy • eat decomposing organisms • Consumer eat only producer • simple sugar made in producers • Consumer Eat secondary consumers • must eat other organisms to get energy • One species benefits and the other is harmed • perform photosynthesis to make their own glucose • A close, long -term relationship between organisms • ...

Crossword Puzzle - Heat and Temperature 2021-08-15

Crossword Puzzle - Heat and Temperature crossword puzzle

Across

the state of matter in which the particles have the least amount of energy
temperature scale based on 0° for the freezing point of water and 100° for the boiling point of water
a chemical reaction that absorbs heat from the surroundings and therefore feels cold
phase change that occurs when a liquid becomes a solid
the state of matter in which the particles have the greatest amount of energy
temperature scale used in the United States
phase change that occurs when a liquid becomes a gas
the SI unit for temperature
the ability to do work
phase change that occurs when a gas becomes a liquid
phase change that occurs when a gas becomes a solid

Down

process of measuring the amount of heat released or absorbed during a chemical reaction
a substance with a heat capacity of 4.184 J/g C
the SI unit for work or energy
phase change that occurs when a solid becomes a gas
a measure of the average kinetic energy of atoms and molecules in a system
a chemical reaction that releases heat into the surroundings and therefore feels hot
amount of heat that must be added to one gram of a substance to raise its temperature by one degree celsius
unit used to describe the amount of energy in food
flow of energy from areas of high temperature to areas of low temperature
phase change that occurs when a solid becomes a liquid
the state of matter in which the particles flow freely past each other but have a fixed volume

22 Clues: the ability to do work • the SI unit for temperature • the SI unit for work or energy • temperature scale used in the United States • a substance with a heat capacity of 4.184 J/g C • unit used to describe the amount of energy in food • phase change that occurs when a solid becomes a gas • phase change that occurs when a gas becomes a solid • ...

✨Science✨ 2023-10-30

Across

single stranded molecule that holds genetic information
a solution where a solvent cannot dissolve any more solute at a given temperature
scale a scale that measures how acidic an object is
a chemical bond between 24.
the result of a solute and a solvent
organic compounds that are insoluble in water
object with a high number on the pH scale
acids Acids that carry genetic information
the highest and most basic number on the pH scale
bond sharing electrons between atoms
substance produced by a chemical reaction
double helix that allows traits to be passed down to the next generation
a mixture where the components composition is not uniform throughout the mixture
dissolving medium
the lowest and most acidic number on the pH scale

Down

substance that go into a chemical reaction
a solution in which a solvent is capable of dissolving any more solute at a given temperature.
sugar molecules that provide glucose to the body
a number that tells us how many of each molecule is in a reaction
large complex molecules that are made up of one or more long folded chains of amino acids
a phase of matter that possesses the same proportions of its components
bond a bond that transfers an electron
a solution that contains a large amount of solute that will crystallize once temperature is lowered two atoms involving six bonding electrons instead of the usual two
object with a low number on the pH scale
substances that are present in organisms and are essential to said organisms biological process
dissolving substance

26 Clues: dissolving medium • dissolving substance • a chemical bond between 24. • the result of a solute and a solvent • bond sharing electrons between atoms • bond a bond that transfers an electron • object with a low number on the pH scale • object with a high number on the pH scale • substance produced by a chemical reaction • substance that go into a chemical reaction • ...

Vocabulary for CHapter 8 2023-02-02

Vocabulary for CHapter 8 crossword puzzle

Across

The heat content of a system at constant pressure
Work The pumping of substances across membranes against the direction of spontaneous movement
Kinetic energy associated with the random movement of atoms or molecules
Energy Energy can be associated with the relative motion of objects
Reaction "Energy Outward" Proceeds with a net release of free energy
Pathway Begins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product.
All of the chemical reactions that occur within an organism
The study of how energy flows through living organisms

Down

Energy The potential energy available for release in a chemical reaction
Energy Energy that matter possesses because of its location or structure
A process that can occur without an input of energy
Pathways (build) Consume energy to build complicated molecules from simpler ones; they are sometimes biosynthetic pathways
Work The pushing of endergonic reactions that would not occur spontaneously, such as the synthesis of polymers from monomers
The study of the energy transformations that occur in a collection of matter
Reaction "Energy Inward" One that absorbs free energy from it's surroundings
Work Such as the beating of cilia, the contraction of muscle cells, and the movement of chromosomes during cellular reproduction
Law of Thermodynamics Every energy transfer or transformation increases the entropy of the universe
Pathways (breakdown) Release energy by breaking down complex molecules to simpler compounds
A measure of disorder or randomness
Energy The portion of a system's energy that can perform work when temperature and pressure are uniform throughout the system, as in a living cell
Law of Thermodynamics The energy of the universe is constant: Energy can be transferred, but it cannot be created or destroyed

21 Clues: A measure of disorder or randomness • The heat content of a system at constant pressure • A process that can occur without an input of energy • The study of how energy flows through living organisms • All of the chemical reactions that occur within an organism • Energy Energy can be associated with the relative motion of objects • ...

M&E in Ecosystems!!! 2025-04-04

Across

A type of organism that breaks down dead matter to get its ESM's.
The part of the cell that photosynthesis occurs in a plant cell.
The substance that starts at chemical reaction.
A type of molecule that is used to release energy when needed.
A chemical reaction that occurs with oxygen and glucose atoms that release energy into cells.
Something that is used for a process.
A type of atom that makes up energy storage molecules.
The end substance after a chemical reaction occurs.
A type of ESM made of that can join together to make starch.
All the matter in an ecosystem that is NON-living.
All the matter in an ecosystem the IS living.

Down

To join multiple things together.
A type of ESM with a lower energy density then fat.
The result of a process.
The ability to make things move or change.
A group of atoms joined together in a particular.
A type of organism that has to eat in order to get ESM's.
An organism that makes its own ESM's through energy from the sunlight.
All the abiotic and biotic matter in an ecosystem.
A molecule made up of 1 carbon atom and 2 oxygen atoms.
The molecule made when multiple glucose molecules are joined together.
A tiny particle that everything is made of.
An organelle that cellular respiration occurs.
A type of Energy Storage Molecule that has a higher energy density then glycogen.
The process when producers use energy from the sunlight to get energy storage molecules.
The set of parts forming a complex whole.
Another word for biotic matter, representing all living things
A man-made ecosystem.

28 Clues: A man-made ecosystem. • The result of a process. • To join multiple things together. • Something that is used for a process. • The set of parts forming a complex whole. • The ability to make things move or change. • A tiny particle that everything is made of. • All the matter in an ecosystem the IS living. • An organelle that cellular respiration occurs. • ...

science 2023-12-09

Across

any chemical reaction that absorbs heat from its environment
a combination of two or more pure substances in which each pure substance retains its individual chemical properties
substance that cannot be broken down into simpler substances by chemical means.
to do with the release of heat
degree to which a substance dissolves in a solvent to make a solution

Down

A rearrangement of the atoms or molecules of two or more substances that come into contact with each other, resulting in the formation of one or more new substances
substance that changes when it is combined with another substance in a chemical reaction
a measure of how quickly a specific material is capable of catching fire and burning.
the measurement of how tightly a material is packed together

9 Clues: to do with the release of heat • any chemical reaction that absorbs heat from its environment • the measurement of how tightly a material is packed together • degree to which a substance dissolves in a solvent to make a solution • substance that cannot be broken down into simpler substances by chemical means. • ...

Enzymes 2020-12-14

Across

a solution that can resist pH change
a reaction in the body
the area of an enzyme that connects with the substrate
energy required for a reaction
Example of an enzyme found in saliva
Permanently Changed active site of an enzyme and can no longer function

Down

Small molecules join together to form large molecules, using energy.
The thing the enzyme acts on
made up of atoms
a biological catalyst
another word for ideal
Large molecules broken down to smaller molecules, releasing energy
a substance which speeds up a chemical reaction

13 Clues: made up of atoms • a biological catalyst • a reaction in the body • another word for ideal • The thing the enzyme acts on • energy required for a reaction • a solution that can resist pH change • Example of an enzyme found in saliva • a substance which speeds up a chemical reaction • the area of an enzyme that connects with the substrate • ...

Energy and Nutrition 2023-11-03

Across

small molocule amino acids, sugars, and fatty acids
grow and repair
process by which food, in the form of sugar (glucose), is transformed into energy within cells
a macromolecule that is always in a on to two also used for energy ratio
energy
right side of the reaction

Down

left side of the reaction
energy storage, fatty acid
large molocule such as carbon, oxygen, and hydrogen
1 sugar
2 sugars
chemical reactions in the cells body that changes food into energy
helps speed up reaction (ends in ace)

13 Clues: energy • 1 sugar • 2 sugars • grow and repair • left side of the reaction • energy storage, fatty acid • right side of the reaction • helps speed up reaction (ends in ace) • large molocule such as carbon, oxygen, and hydrogen • small molocule amino acids, sugars, and fatty acids • chemical reactions in the cells body that changes food into energy • ...

Energy and Nutrition 2023-11-03

Across

small molocule amino acids, sugars, and fatty acids
grow and repair
process by which food, in the form of sugar (glucose), is transformed into energy within cells
a macromolecule that is always in a on to two also used for energy ratio
energy
right side of the reaction

Down

left side of the reaction
energy storage, fatty acid
large molocule such as carbon, oxygen, and hydrogen
1 sugar
2 sugars
chemical reactions in the cells body that changes food into energy
helps speed up reaction (ends in ace)

Energy and Nutrition 2023-11-03

Across

small molocule amino acids, sugars, and fatty acids
grow and repair
process by which food, in the form of sugar (glucose), is transformed into energy within cells
a macromolecule that is always in a on to two also used for energy ratio
energy
right side of the reaction

Down

left side of the reaction
energy storage, fatty acid
large molocule such as carbon, oxygen, and hydrogen
1 sugar
2 sugars
chemical reactions in the cells body that changes food into energy
helps speed up reaction (ends in ace)

vocab 1st prd 2025-11-18

Across

A heat treatment that reduces brittleness and increases toughness after hardening.
Metals that do not contain iron and do not rust easily.
A pure substance made of only one type of atom.
When a material expands in size as its temperature increases.
When substances combine or break apart to form new substances.
Steel with a low carbon content; softer, more ductile, and easier to shape.
How much a material opposes the flow of electrical current.
A reddish metal that is an excellent conductor of electricity and heat.
A chemical bond formed when atoms share electrons.
A reaction in which one element replaces another in a compound.
The negative electrode where reduction happens in a chemical reaction.
A metal often used to coat other metals to protect them from corrosion.
Steel mixed with chromium to resist rust and corrosion.
A chemical reaction where a substance loses electrons, often when reacting with oxygen.
How brittle or dense an object is
The amount of matter in an object.
The amount of space an object or substance takes up.
Steel with a high carbon content, making it very hard and strong but less ductile.
The ability of a metal to be hammered or rolled into thin sheets without breaking.
Metals that contain iron
The smallest unit of an element that keeps its chemical properties.
How tightly matter is packed.
The unit used to measure electrical potential (the “pressure” behind electric flow).

Down

A strong metal used widely in construction that rusts easily when exposed to oxygen and moisture.
How well a material transfers heat.
To heat a metal and let it cool slowly to make it softer and less brittle.
A characteristic describing how a material behaves under force, such as strength or hardness.
The positive electrode where oxidation happens in a chemical reaction.
An atom or molecule with an electric charge caused by losing or gaining electrons.
Two or more atoms chemically bonded together.
A mixture of two or more metals
How well a material lets electricity or heat pass through it.
A very lightweight, reactive metal often used in alloys to make them stronger.
Heat treatment that increases a metal’s hardness and strength.
A substance made of two or more different elements chemically bonded.
A shiny element that conducts heat and electricity well and can be shaped or formed.
The gradual destruction of a metal caused by chemical reactions
A characteristic that can only be seen when a substance changes into a new substance
A material’s ability to resist scratching or denting.
How much pulling force a material can handle before it breaks.
A lightweight, silvery metal known for good corrosion resistance.
Able to return to its original shape after being stretched or bent.
The force that allows some materials to attract or repel others with magnetic properties.
An alloy mainly made of iron and carbon, strong and widely used in construction.
A substance that conducts electricity when dissolved or melted because it forms ions.
A reaction where two different metals in contact with an electrolyte produce electric current and corrosion.
The ability of a material to be drawn into wires without breaking.
A characteristic that can be observed or measured without changing the substance.

48 Clues: Metals that contain iron • How tightly matter is packed. • A mixture of two or more metals • How brittle or dense an object is • The amount of matter in an object. • How well a material transfers heat. • Two or more atoms chemically bonded together. • A pure substance made of only one type of atom. • A chemical bond formed when atoms share electrons. • ...

Crossword Puzzle In Organic Chemistry 2014-08-07

Crossword Puzzle In Organic Chemistry crossword puzzle

Across

used to make cups, coolers, and trays
used to synthesize other compounds
positively charged ion
negatively charge ions
used in making high octane gasoline
a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms
an organic compound with the formula H2C2O4
a process of reacting monomer molecules together in a chemical reaction to form polymer chains
is a chemical process for converting natural rubber into more durable materials
the order and relative spatial arrangement of the atoms in a molecule
serves to advance the worldwide aspects of the chemical sciences and to contribute to the application of chemistry in the service of humankind
reactions in which an unsaturated system is saturated or part saturated by the addition of a molecule across the multiple bond
a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles, stationery, plastic parts and reusable containers
atoms that can share two pairs of electrons
the linkage of two atoms by the sharing of two electrons
containing one carbon atom bonded to three hydrogen atoms — CH₃

Down

a substance which cannot be further subdivided by chemical methods
the most common plastic
has the formula –C₂H₅
used in white glue and sticky notes
substance that can make a chemical reaction faster but which is not actually needed to produce the reaction nor is used in the reaction.
fatty acids used in making soaps, detergents and shampoos
long chain, giant organic molecules are assembled from many smaller molecules called monomers
used in construction for pipe, and in profile applications such as doors and windows
a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine, and astatine
organic compound with a formula –OH
a colorless, flammable type of alcohol with a strong odor
known for their distinctive odors and are commonly used for food aroma and fragrances
the attraction and repulsion between atoms and molecules
the term given to organic molecules which contain no multiple bonds
compounds that contain carbon
the term given to an organic compound containing multiple bonds
sharing of one pair of electrons
chief acid of vinegar with the formula C2H4O2
A bond formed when charge particles stick together.
an atom or group of atoms that has lost or gained one or more electrons to become a charged species
a class of organic compounds that contain an oxygen between two alkyl groups. They have the formula R-O-R
used to make a non-stick cookware
used in making flavorings, dyes and plastics
organic chemical compound with the molecular formula C6H6

40 Clues: has the formula –C₂H₅ • positively charged ion • negatively charge ions • the most common plastic • compounds that contain carbon • sharing of one pair of electrons • used to make a non-stick cookware • used to synthesize other compounds • used in white glue and sticky notes • used in making high octane gasoline • organic compound with a formula –OH • ...

Photosynthesis and Respiration 2023-06-08

Photosynthesis and Respiration crossword puzzle

Across

A molecule made up of single, repeating units
Something that lowers the rate of reaction when low (two words)
The chemical used to test for protein
The energy store produced from respiration
A term used to describe the amount of oxygen required to break down lactic acid (two words)
A type of respiration that requires oxygen
A polymer placed in the cell wall of plant cells
The chemical used to test for simple sugars
A type of respiration that does not require oxygen
A chemical used to test for starch

Down

A type of reaction that releases energy to the surroundings
The colour change observed in a starch test that shows that starch is present (two words)
The dye found in chloroplasts that absorbs light for photosynthesis
A form of anaerobic respiration in plants and microorganisms
A product of respiration in the absence of oxygen in animals (two words)
The colour observed in a starch test that shows a negative result
A small molecule that can be repeated in a chain to make a larger molecule
A product of anaerobic respiration in plants

18 Clues: A chemical used to test for starch • The chemical used to test for protein • The energy store produced from respiration • A type of respiration that requires oxygen • The chemical used to test for simple sugars • A product of anaerobic respiration in plants • A molecule made up of single, repeating units • A polymer placed in the cell wall of plant cells • ...

Activity 2 2022-09-25

Across

concentration of hydronium ions in a solution
a substance that starts a chemical reaction
rate at which energy is used
done when force is applied to an object over a distance
A solution with a pH lower than 7
is the smallest particle of an element
the ability to do work
main element in organic compounds
A widely accepted hypothesis that stands the test of time.
named after James Prescott Joule
a pure substance

Down

Developing new knowledge based upon old knowledge.
a substance that forms because of a chemical reaction
suggested explanation based on evidence that can be tested by observation or experimentation.
A test that is used to rule out a hypothesis or validate something already known.
sum of all the biochemical reactions in an organism
is a substance that consists of two or more elements
A solution with a pH higher than 7.
anything that takes up space and has mass.

19 Clues: a pure substance • the ability to do work • rate at which energy is used • named after James Prescott Joule • A solution with a pH lower than 7 • main element in organic compounds • A solution with a pH higher than 7. • is the smallest particle of an element • anything that takes up space and has mass. • a substance that starts a chemical reaction • ...

MATTER 2017-03-11

Across

____ state of matter does not definite shape or volume
chemical reactions happen at different _____
an object that has a high density will
______ mixture are uniform throughout
is a measure of the amount of matter in a given amount of space
____ state of matter has definite volume and takes shape of the container
_____ reaction produces heat energy
______ reaction absorbs heat energy
is the amount of space that matter takes up

Down

means that no more material may be dissolved into the mixture
when matter goes through a ____ change, a new substance is formed
_______mixture is unevenly distributed
____ state of matter has a definite shape and volume
____ change is a change in the state of matter (size or shape)
is the amount of force that gravity puts on that amount of matter
is a physical combination of 2 or more substance
_____ is a mixture that is homogeneous
is a homogeneous mixture metals
is the amount matter within an object

19 Clues: is a homogeneous mixture metals • _____ reaction produces heat energy • ______ reaction absorbs heat energy • ______ mixture are uniform throughout • is the amount matter within an object • _______mixture is unevenly distributed • an object that has a high density will • _____ is a mixture that is homogeneous • is the amount of space that matter takes up • ...

8th Grade Science 2023-12-06

Across

Speed=Distance/Time
Straight line going up on a distance vs. time graph.
In the nucleus with a neutral charge.
Straight horizontal line on a distance vs. time graph.
The force applied in one direction is greater than the force applied in the opposite direction.
A curved line on a distance vs. time graph.
How fast something is going.
An object in motion remains in motion unless acted on by an unbalanced force.
Two or more molecules producing a new product(s).
On the rings of an atom.

Down

Symbolic representation of chemical reaction.
For every action there is an equal and opposite reaction.
The rate of change of velocity.
Positive charge in the nucleus.
Net force is equal to mass times acceleration.
Those that are opposite in direction and equal in size.
Are shiny and malleable.
On the last ring of an atom.
On the staircase of the Periodic Table.
Numbers that come after a symbol in a chemical equation.

REVIEW SH 10 2024-05-22

Across

In order for plants to create chlorophyll, plant need to get … from the soil.
Organ to absorb nutrients into the bloodstream
Which vitamin is lacking when scurvy occurs
openings on the epidermis of leaves
deficiency disease that can arise from the lack of protein
Which tooth is chisel shaped
organ that occur chemical and mechanical digestion
to emulsify fat
carbohydrate will be broken into
After the enzyme and substrate bind together and perform the reaction, what does the substrate become

Down

Rate of photosynthesis is high in ....
Changes in pH and temperature can … an enzyme
present in the small intestine so that more digested food can be absorbed into the blood stream
Vitamins A, D, E, and K are … vitamins
mineral for the production of amino acids
Organic food material that contained in phloem
Protein will be broken down into
part of the enzyme where the substrate binds is called
speeds up a chemical reaction
helps to avoid constipation

20 Clues: to emulsify fat • helps to avoid constipation • Which tooth is chisel shaped • speeds up a chemical reaction • Protein will be broken down into • carbohydrate will be broken into • openings on the epidermis of leaves • Rate of photosynthesis is high in .... • Vitamins A, D, E, and K are … vitamins • mineral for the production of amino acids • ...

Y8 Ecosystems Revision 2025-06-03

Across

Multiple food chains linked together
The build up of toxic or harmful substances within a food chain
The number of organisms in the same species within a habitat
When a species no longer exists
The variety of living organisms
The chemical reaction that turns carbon dioxide and water into glucose and oxygen using light.
The predator at the top of the food chain
What do the arrows in a food chain represent?
The chemical reaction that requires glucose to release energy

Down

The struggle between different organisms for resources
The place where an organism lives
Organisms that break down dead plants and animals
An organisms role in an ecosystem
Organisms form different species within the same habitat
All of the living and non-living things in an area
An organism that makes its own food through photosynthesis
An organism that eats other animals
An animal that only eats plants
An animal that is predated upon

19 Clues: When a species no longer exists • The variety of living organisms • An animal that only eats plants • An animal that is predated upon • The place where an organism lives • An organisms role in an ecosystem • An organism that eats other animals • Multiple food chains linked together • The predator at the top of the food chain • What do the arrows in a food chain represent? • ...

Y8 Ecosystems Revision 2025-06-03

Across

Multiple food chains linked together
The build up of toxic or harmful substances within a food chain
The number of organisms in the same species within a habitat
When a species no longer exists
The variety of living organisms
The chemical reaction that turns carbon dioxide and water into glucose and oxygen using light.
The predator at the top of the food chain
What do the arrows in a food chain represent?
The chemical reaction that requires glucose to release energy

Down

The struggle between different organisms for resources
The place where an organism lives
Organisms that break down dead plants and animals
An organisms role in an ecosystem
Organisms form different species within the same habitat
All of the living and non-living things in an area
An organism that makes its own food through photosynthesis
An organism that eats other animals
An animal that only eats plants
An animal that is predated upon

Logan Henricks chapter 13 2019-03-07

Logan Henricks chapter 13 crossword puzzle

Across

a substance that lowers the activation energy of a chemical reaction
AB+Oxygen-oxides of A&B
reaction where there is an absorbtion of energy
when a reaction and its reverse act at the same rate
displacement AB+CD-AD+CB

Down

energy also known as bond energy
A+B-AB
reaction where there is a release of energy
AB-A+B
displacement AB+C-AC+B

10 Clues: A+B-AB • AB-A+B • displacement AB+C-AC+B • AB+Oxygen-oxides of A&B • displacement AB+CD-AD+CB • energy also known as bond energy • reaction where there is a release of energy • reaction where there is an absorbtion of energy • when a reaction and its reverse act at the same rate • a substance that lowers the activation energy of a chemical reaction

Unit 1 Vocab 2019-02-11

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deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes.
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group.
site a region on an enzyme that binds to a protein or other substance during a reaction.
and Key Model the lock is the enzyme and the key is the substrate.
a simple sugar in plants.
any large group of organic compounds occurring in foods, living tissues and sugars, starch, or cellulose.
any of the class of sugars (e.g., glucose) that cannot be hydrolyzed to give a simpler sugar.
an ester formed from glycerol and three fatty acid groups.
compound any chemical compound that contains carbon.
the substance on which an enzyme acts.
acid a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
energy the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.

Down

the chemical breakdown of a compound due to a reaction with water.
a simple sugar in carbohydrates.
destroy the characteristic properties of (a protein or other biological macromolecule) by heat, acidity, or other effects that disrupt its molecular conformation.
a hormone produced in the pancreas by the islets of Langerhans, which regulates the amount of glucose in the blood.
Acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
a lipid containing a phosphate group in its molecule.
complex a temporary molecule formed when an enzyme comes into perfect contact with its substrate.
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.
a simple sugar in animals.
another simple sugar in plants.
any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms.
a molecule that can be bonded to other identical molecules to form a polymer.

27 Clues: a simple sugar in plants. • a simple sugar in animals. • another simple sugar in plants. • a simple sugar in carbohydrates. • the substance on which an enzyme acts. • compound any chemical compound that contains carbon. • a lipid containing a phosphate group in its molecule. • an ester formed from glycerol and three fatty acid groups. • ...

Biology Chapter 2: The Chemistry of Life 2019-12-01

Biology Chapter 2: The Chemistry of Life crossword puzzle

Across

A mixture in which particles of a material are more or less evenly dispersed, but not dissolved.
Carbon compound that regulates cell processes; made of amino acids.
2 or more elements or compounds physically mixed but not chemically combined; can be separated.
Single sugar.
Speeds up the rate of a chemical reaction.
What comes out of a chemical reaction.
A molecule with an uneven distribution of electrons, making one end positive, the other negative.
When one or more electrons are transferred from one atom to the other.
A compound with a pH of 7.
A compound that produces hydroxide ions in solution; has a pH >7.
What goes into the reaction.
smallest unit of most compounds.
The energy needed to start a chemical reaction.
What is being dissolved.
When electrons are shared between two atoms.
Carbon compound that is a major source of energy for most living things.
An atom or group of atoms that has a positive or negative charge.
Attraction between molecules of different substances.

Down

Two or more elements chemically combined.
Mixture in which all components are evenly distributed; one is substance is dissolved in another.
Carbon compound that stores and transmits genetic information: RNA and DNA.
A pure substance with only one type of atom.
Acts like a catalyst in living things because it speeds up reactions in cells.
monomer of protein.
Positively charged part of an atom in the nucleus.
Negatively charged particle of an atom that orbits around the nucleus and is 1/1840 the size of a proton.
Very weak bonds; occurs when a hydrogen atom in one molecule is attracted to the electrostatic atom in another molecule.
Atoms of the same element that have different numbers of neutrons.
process that changes or transforms elements or compounds into another.
Scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution.
The building blocks of matter; the basic unit of matter.
Monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base.
Attraction between molecules of the same substance.
Large macromolecule formed from monosaccharides.
large molecules formed from many small molecules.
Compound that forms hydrogen ions (H+) in solution; has a pH range < 7.
In a solution, the substance in which the solute dissolves.
Part of atom with no charge in the nucleus.
Energy-rich organic compounds, such as fats, oils, and waxes; made of carbon, hydrogen, and oxygen.

39 Clues: Single sugar. • monomer of protein. • What is being dissolved. • A compound with a pH of 7. • What goes into the reaction. • smallest unit of most compounds. • What comes out of a chemical reaction. • Two or more elements chemically combined. • Speeds up the rate of a chemical reaction. • Part of atom with no charge in the nucleus. • A pure substance with only one type of atom. • ...

Unit 2 Week 2 2021-09-15

Across

the measure of the quantity of matter.
Random kinetic energy possessed by objects in a material.
the number placed in front of a chemical equation.
in any chemical process, matter is neither lost or gained.(sometimes stated as matter is not created or destroyed).
this is the rate at which a substance undergoes a chemical change.

Down

a chemical equation where the number of atoms of each element are the same on both sides.
the number of atoms of a particular element in a chemical reaction.
the speed at which a chemical reaction occurs.

8 Clues: the measure of the quantity of matter. • the speed at which a chemical reaction occurs. • the number placed in front of a chemical equation. • Random kinetic energy possessed by objects in a material. • this is the rate at which a substance undergoes a chemical change. • the number of atoms of a particular element in a chemical reaction. • ...

The Atom 2023-01-09

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the push or pull measurement of an object
a positively charged ion
a chemical process that occurs in plants when exposed to sunlight
a small mammal adapted to a subterranean lifestyle
an organelle containing digestive enzymes
substances that act on receptors to produce morphine-like effects
DNA
a line that a function approaches but never reaches
the minimum amount of hours of sleep people ages 13-18 should get

Down

a chemical reaction where carbon dioxide and water are always the products
the energy of motion, observable as the movement of an object or subatomic particle
the slope of a velocity-time graph
blood pressure that is higher than normal
the fans that love this series are called "Trekkies"
a rotating machine that transforms electrical energy into mechanical energy
the solid product of a double replacement reaction
the diffusion of water

17 Clues: DNA • the diffusion of water • a positively charged ion • the slope of a velocity-time graph • the push or pull measurement of an object • blood pressure that is higher than normal • an organelle containing digestive enzymes • a small mammal adapted to a subterranean lifestyle • the solid product of a double replacement reaction • ...

Year 8 Chemistry Revision 2013-08-23

Year 8 Chemistry Revision crossword puzzle

Across

a reaction between an acid and an alkali (14)
the breakdown of rock into smaller pieces (10)
type of rock formed from cooled magma (7)
a word that describes what is made in a chemical reaction (8)
type of rock formed by heating or compressing other rocks (10)
acid found in the stomach (12)
a blue substance containing copper, sulfur and oxygen (6,7)
a reaction where you burn a fuel (10)
a poisonous gas formed by a car engine (6,8)
can be hammered/bent into different shapes (9)

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when a lit splint is put into this gas a popping sound is heard (8)
changes colour in acid and alkali solutions (9,9)
remains of plants or animals sometimes seen in sedimentary rocks (7)
the reaction of a metal with oxygen in the air (9)
a reaction where a more reactive substance substitutes a less reactive substance from solution (12)
solution used to test for carbon dioxide gas (9)
what is formed when two or more different atoms bond together (8)
gas needed for a fuel to burn
a substance made up of one type of atom (7)

19 Clues: gas needed for a fuel to burn • acid found in the stomach (12) • a reaction where you burn a fuel (10) • type of rock formed from cooled magma (7) • a substance made up of one type of atom (7) • a poisonous gas formed by a car engine (6,8) • a reaction between an acid and an alkali (14) • the breakdown of rock into smaller pieces (10) • ...

Gas Laws Vocabulary 2016-05-15

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law: states that the volume of a fixed amount of gas held at constant temperature varies inversely with the pressure
zero: zero on the Kevin scale, which represents the lowest possible theoretical temperature
volume: is the volume of one mole of a substance
energy: energy which an object has because of its positon
a form of energy that flows from a warmer object to a cooler object
a chemical reaction or process in which a greater amount of energy is required to break the existing bonds in the reactants than is released when the new bonds form in the products molecules
the heat content of a system at constant pressure
law: states that the pressure of a fixed mass of gas varies directly with the kelvin temperature when the volume remains constant
heat: the amount of heat required to raise the temperature of one gram of a given substance by one degree Celsius
an insulated device that is used to measure the amount of heat released or absorbed during a physical or chemical process

Down

temperature and pressure: temperature of 273 K and 1 (atm) pressure
a chemical reaction or process in which more energy is release than is required to break bonds in the in the initial reactants
the SI unit of heat and energy
a measure of the average kinetic energy of the particles in a sample of matter
law: states that the volume of a given mass of gas is directly proportional to its kelvin temperature at constant pressure
gas law: describes the physical behavior of an ideal gas in terms of pressure, volume, temperature, and number of moles of gas
energy: energy an object possesses due to its motion
of conservation of energy: states that in any chemical reaction or physical process, energy may change from one form to another, but it is neither created nor destroyed
the capacity to do work or produce heat

19 Clues: the SI unit of heat and energy • the capacity to do work or produce heat • volume: is the volume of one mole of a substance • the heat content of a system at constant pressure • energy: energy an object possesses due to its motion • energy: energy which an object has because of its positon • temperature and pressure: temperature of 273 K and 1 (atm) pressure • ...

Vocab 6b 2017-03-23

Across

Electron electrons on the outermost energy level of an atom that determine the reactivity of the atom.
elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction
A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
an interaction that holds atoms together.

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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.
horizontal row of elements on the Periodic Table that have the same number of electron shells.

8 Clues: an interaction that holds atoms together. • states that matter is neither created nor destroyed in ordinary chemical and physical changes. • 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. • ...

Vocab 6B 2017-04-04

Across

an interaction that holds atoms together.
elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
horizontal row of elements on the Periodic Table that have the same number of electron shells.

Down

of Mass states that matter is neither created nor destroyed in ordinary chemical and physical changes.
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.
vertical column of elements on the Periodic Table that have similar physical and chemical properties.

8 Clues: 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. • ...

Energy In Living Systems 2017-01-19

Energy In Living Systems crossword puzzle

Across

Compound used by cells to store and release energy.
Process that changes, or transform one set of chemicals into another set of chemicals.
Pigments in a plant that absorb the wavelengths that chlorophyll can't.
Organelle found in cells of plants and some other organisms that captures energy from sunlight and converts it into chemical energy.
Process by which cells release energy in the absence of oxygen.
Organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use.
An organism that makes its own food and energy.

Down

Post-translational modification of proteins.
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
Formed when a phosphate is removed from ATP to release energy.
Light absorbing molecule used by plants to gather the sun's energy.
Process that doesn't require oxygen.
Principal pigment of plants and other photosynthetic organisms.
Process where plants take oxygen in the light and give out carbon dioxide (opposite of photosynthesis).
The process in which plants use the energy of sunlight to convert water and carbon dioxide into high energy carbohydrates and release oxygen as a waste product.
Process that requires oxygen.
Elements or compounds produced by a chemical reaction.
Elements or compounds that enter into a chemical reaction.

18 Clues: Process that requires oxygen. • Process that doesn't require oxygen. • Post-translational modification of proteins. • An organism that makes its own food and energy. • Compound used by cells to store and release energy. • Elements or compounds produced by a chemical reaction. • Elements or compounds that enter into a chemical reaction. • ...

Chemistry Crossword Robert 2020-09-04

Chemistry Crossword Robert crossword puzzle

Across

the rule that matter can't be created or destroyed
an abbreviation for an element
a change that cause its physical properties to change
atoms are close together and bonded
atoms are spread out but attracted to eachother
another name for the stages of when matter makes a physical change into another one of its forms
what is formed after a chemical reaction
a solid that forms after a chemical reaction
atoms aren't bonded or attracted to eachother

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a type of matter with uniform properties
a change that cannot be reversed
made with 2 or more types of atoms
made with only one type of atom
two or more substances together from a physical change
a group of elements in a collum of the periodic table of elements
another word for weight

16 Clues: another word for weight • an abbreviation for an element • made with only one type of atom • a change that cannot be reversed • made with 2 or more types of atoms • atoms are close together and bonded • a type of matter with uniform properties • what is formed after a chemical reaction • a solid that forms after a chemical reaction • ...

Chemical reactions 2023-01-24

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If you can't build a real airplane you might build a _____ airplane.
Atoms join together to make _________
Something that can be observed about a substance.
The relative size of things.
A weapon is very _________
To change the order or position of something
This helps to grow plants.

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An ending substance that is made in a chemical reaction.
It is what atoms do to form new substances
A structure formed by repeating groups of atoms linked together in a larger network.
Something that is made of all the same atoms or groups of atoms.
The formula that makes up any substance.
When a substance changes from a solid to a liquid.
everything in the world is made up of _____
The ______ _____ of water is 100 degrees Celsius
a starting substance that is part of a chemical reaction.

16 Clues: A weapon is very _________ • This helps to grow plants. • The relative size of things. • Atoms join together to make _________ • The formula that makes up any substance. • It is what atoms do to form new substances • everything in the world is made up of _____ • To change the order or position of something • The ______ _____ of water is 100 degrees Celsius • ...

Natural Science: vocabulary Unit 7 & 8 2024-06-27

Natural Science: vocabulary Unit 7 & 8 crossword puzzle

Across

a method used to separate solids from liquids, or solids with different size particles in heterogeneous mixtures
another word for a homogeneous mixture
the flow of electrical charges through materials
these happen when atoms react and group together differently
a method used to separate substances of different density in heterogeneous mixtures
a mixture in which the different components can be distinguished
the component of an electric circuit which provides the electricity
a method used to separate liquids that have different boiling points in homogeneous mixtures
a type of matter which contains only one type of component
a chemical reaction that happens in some living things, such as yeast and bacteria
a material which allows electrical charges to move

Down

a chemical reaction that happens when some metal substances such as iron combine with oxygen in the presence of water
a type of matter which contains two or more pure substances
a mixture in which the different components cannot be distinguished
a material which does not allow electrical charges to move
the component of an electric circuit which transforms electricity into another type of energy
a device with a magnetic needle that always points north, we use it to orient ourselves
an object which can attract other objects made of iron and other magnetic metals
a connecting wire, usually made from copper,wrapped in plastic covering
a closed path through which electricity flows
the force of attraction exerted by magnets
a method used to separate solids from liquids in homogeneous mixtures
a chemical reaction that happens when objects or substances are burned

23 Clues: another word for a homogeneous mixture • the force of attraction exerted by magnets • a closed path through which electricity flows • the flow of electrical charges through materials • a material which allows electrical charges to move • a material which does not allow electrical charges to move • a type of matter which contains only one type of component • ...

Natural Science 2022-08-20

Across

a device with a magnetic needle that always points north. We use it to orient ourselves.
a type of matter which contains two or more pure substances.
a material which does riot allow electrical charges to move.
a chemical reaction that happens when objects or substances are burned.
an object which can attract other objects made of iron and other magnetic metals.
circuit a closed path through which electricity flows.
a method used to separate solids from liquids in homogeneous mixtures. fermentation a chemical reaction that happens in some living things. such as yeast and bacteria.
a method used to separate solids from liquids, or solids with different size particles, in heterogeneous mixtures.
these happen when atoms react and group together differently.
the component of an electnc circuit which provides the electricity.
the force of attraction exerted by magnets.
a mixture in which the different components cannot be distinguished.

Down

the component of an electric circuit which transforms electricity into another type of energy.
another word for a homogeneous mixture.
a method used to separate liquids that have different boiling points in homogeneous mixtures.
a type of matter which contains only one type of component.
a chemical reaction that happens when some meta substances such as iron combine with oxygen in the presence of water.
a method used to separate substances of different density in heterogeneous mixtures.
a matenal which allows electrical charges to move.
a mixture in which the different components can be distinguished.
a connecting wire, usually made of copper. wrapped in plastic covering.
the flow of electncal charges through materials.

22 Clues: another word for a homogeneous mixture. • the force of attraction exerted by magnets. • the flow of electncal charges through materials. • a matenal which allows electrical charges to move. • circuit a closed path through which electricity flows. • a type of matter which contains only one type of component. • ...

Energy and Nutrition 2023-11-03

Across

small molocule amino acids, sugars, and fatty acids
grow and repair
process by which food, in the form of sugar (glucose), is transformed into energy within cells
a macromolecule that is always in a on to two also used for energy ratio
energy
right side of the reaction

Down

left side of the reaction
energy storage, fatty acid
large molocule such as carbon, oxygen, and hydrogen
1 sugar
2 sugars
chemical reactions in the cells body that changes food into energy
helps speed up reaction (ends in ace)

Energy and Nutrition 2023-11-03

Across

small molocule amino acids, sugars, and fatty acids
grow and repair
process by which food, in the form of sugar (glucose), is transformed into energy within cells
a macromolecule that is always in a on to two also used for energy ratio
energy
right side of the reaction

Down

left side of the reaction
energy storage, fatty acid
large molocule such as carbon, oxygen, and hydrogen
1 sugar
2 sugars
chemical reactions in the cells body that changes food into energy
helps speed up reaction (ends in ace)

Atomic Theory 2024-01-12

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used to measure Electronegativity
liquid that releases positively charged hydrogen ions
equal to atomic number
a bunch of atoms that are stuck (bonded) together
when a single compound breaks down into 2 or more simpler products.
Two or more substances combine to produce a sing new substance
a material’s ability to conduct electricity
produce toxic,coloured vapours
full outer shells, non-reactive.
Symbol e–
chemicals that change colour when added to an acid or a base

Down

reaction that occurs when an acid is added to a base
shiny and soft metals
cannot be broken down into another substance
product of sodium and chloride
number of protons in an atom
an exothermic chemical reaction that requires oxygen and a fuel substance as reactants and an ignition source to trigger the reaction.
substance that accepts hydrogen ions in a reaction
occurs when the nucleus loses (or gains) a neutron
Symbol n0
atomic number 13
Symbol p+
discoverer of protons and the nucleus
smallest building blocks of living and non-living things

24 Clues: Symbol n0 • Symbol p+ • Symbol e– • atomic number 13 • shiny and soft metals • equal to atomic number • number of protons in an atom • product of sodium and chloride • produce toxic,coloured vapours • full outer shells, non-reactive. • used to measure Electronegativity • discoverer of protons and the nucleus • a material’s ability to conduct electricity • ...

M8 Review 2024-11-04

Across

product of cellular respiration but reactant of photosynthesis
place where photosynthesis occurs
reaction that requires oxygen
changing energy in glucose into energy in atp
the type of reaction that photosynthesis is
the 2nd law of thermodynamics says that some energy is ____________when energy is converted
energy is not created or destroyed but changes forms
ability to do work
place where cellular respiration occurs

Down

the type of reaction that cellular respiration is
pigment inside plant cells that absorbs light
glucose is a ___________ of cellular respiration
changing light energy into chemical energy
organism that requires food from outside source
the type of reaction that cellular respiration is
product of photosynthesis
atp is a _____________ of cellular respiration
product of photosynthesis that is used in cellular respiration
product of cellular respiration but a reactant of photsynthesis
organism that can produce its own food
color of light reflected by pigments in leaves of plants
energy storing molecule that can be used by cells
the type of reaction that photosynthesis is
reaction that does not require oxygen
original source of all energy on Earth

25 Clues: ability to do work • product of photosynthesis • reaction that requires oxygen • place where photosynthesis occurs • reaction that does not require oxygen • organism that can produce its own food • original source of all energy on Earth • place where cellular respiration occurs • changing light energy into chemical energy • the type of reaction that photosynthesis is • ...

Akbar Muhammad 2022-03-08

Across

use the coefficients in a balanced equation
the symbolic representation of a chemical reaction in the form of symbols and formula
the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule
the amount of product that was actually produced
the quantitative relationship between the amount of reactants used and the amount of products formed

Down

The maximum amount of a reactant produced
a number placed in front of a chemical symbol or formula
A chemical reaction will proceed until all of one reactant is used up.
the actual yield divided by the theoretical yield times 100
mass of 1 mole of a substance

10 Clues: mass of 1 mole of a substance • The maximum amount of a reactant produced • use the coefficients in a balanced equation • the amount of product that was actually produced • a number placed in front of a chemical symbol or formula • the actual yield divided by the theoretical yield times 100 • A chemical reaction will proceed until all of one reactant is used up. • ...

Mason Good chapter 13 2021-11-23

Across

Bond energy is also known as
substance that lowers the activation energy of a chemical reaction
What accepts a hydrogen ion
When reaction and its reverse act at the same rate
what goes along with reactants

Down

reaction of net absorption of energy
What ionize completely in water.
Increasing the concentration and the number of collisions per second
What donates a hydrogen ion
reaction of net release of energy

10 Clues: What donates a hydrogen ion • What accepts a hydrogen ion • Bond energy is also known as • what goes along with reactants • What ionize completely in water. • reaction of net release of energy • reaction of net absorption of energy • When reaction and its reverse act at the same rate • substance that lowers the activation energy of a chemical reaction • ...

Fire science 2024-11-08

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Hydrogen, uranium and mercury are examples of _____
a ___, caused by an outburst or change in chemicals
revival from apparent death or unconsciousness
energy that moves from one place to another. Light, sound and x-rays are examples of __
something that catches fire easily
Oxygen, heat and___are a part of the fire triangle
high risk of fire
produce flamed and heat while consuming a material such as coal or wood

Down

the process of burning something
helps fire spread
the energy that is produced when two things rub against each other
a surge in fire produced by gases mixing
to put out a fire
to help fires not start
gas made from fire that rises so you can crawl under it
a chemical reaction that that converts a fuel and oxygen into carbon dioxide and water
hot, bright , glowy and scorching are all words to describe ____

17 Clues: helps fire spread • to put out a fire • high risk of fire • to help fires not start • the process of burning something • something that catches fire easily • a surge in fire produced by gases mixing • revival from apparent death or unconsciousness • Oxygen, heat and___are a part of the fire triangle • Hydrogen, uranium and mercury are examples of _____ • ...

Physio Vocab lesson 3 extra credit 2022-10-24

Physio Vocab lesson 3 extra credit crossword puzzle

Across

Tension on surface firm of a liquid
A group of atoms bonded together
Reaction where change in free energy equals negative
Weak bond between 2 components together
energy which a body possess by virtue of being in motion.
A subsatnce by mixing other substances together
energy stored in objects by their position
7 is what acidity

Down

A thing composed of 2 or more elements
Is the action or process of adhering to a surface or object.
the use of evaporated water to cool hot air
the property of having poles or being polar.
reaction where energy is positive
it takes more energy to increase the temperature of water compared to other substances
energy stored in the bonds of a chemical
The negative ion of hydrogen ion concentation
energy possed of its position relative to others

17 Clues: 7 is what acidity • A group of atoms bonded together • reaction where energy is positive • Tension on surface firm of a liquid • A thing composed of 2 or more elements • Weak bond between 2 components together • energy stored in the bonds of a chemical • energy stored in objects by their position • the use of evaporated water to cool hot air • ...

Photosynthesis! 2021-05-09

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The genetic material that's found in the nucleus of cells and is passed down from parents to offspring
dioxide The gas that plants need to do photosynthesis
The stuff that's made in a chemical reaction
The root word "photo" means...
This provides the energy for photosynthesis
The type of sugar that plants make

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The liquid that plants need to do photosynthesis
The color of chloroplasts
Water enters plants through their...
Rigid out layer that plant cells have but animal cells don't have
The ingredients in any chemical reaction
The gas that plants also make when they make glucose

12 Clues: The color of chloroplasts • The root word "photo" means... • The type of sugar that plants make • Water enters plants through their... • The ingredients in any chemical reaction • This provides the energy for photosynthesis • The stuff that's made in a chemical reaction • The liquid that plants need to do photosynthesis • ...

extra credit-Danny 2024-02-26

Across

an equation that tells you the atoms in molecules
what you end up with in a chemical reaction
multiple different atoms bonded together
types of atoms
the combining of molecules
what you start with in a chemical reaction

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atoms bonded together
atoms sharing electrons
a formula that tells you how much of the atoms and molecules are in the reactant and product
a rule that says that matter cannot be destroyed
smallest particle that makes up anything
a small number at the bottom of an atomic symbol that tells how much of it there is

Leyla L- Chem Crossword 2024-06-11

Leyla L- Chem Crossword crossword puzzle

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For which type of bond do you use prefixes when naming a compound?
These types of ions have special endings
the smallest unit of a compound
the flow of electrons
Name the missing essential part of a chemical reaction; compound, state of matter,?
Name the kind of reaction; AB+ CD -> AD+CB
Non-metal changes the ending to –___ and always comes second
State change from liquid to gas
Multiple reactants to form 1 product
This must be present as a reactant in a combustion reaction
State change from solid to gas
What contains an immense amount of cations and anions and retains the overall ratio described by the formula?

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What type of element requires roman numerals when naming a compound?
A naming system that follows a universal set of rules
A lasting attraction between 2 atoms
This type of reaction happens when you burn something
State change from gas to liquid
Ability of a substance to be molded or shaped
A substance that can’t be separated into other materials by any physical process
anything that has mass and volume

20 Clues: the flow of electrons • State change from solid to gas • State change from gas to liquid • the smallest unit of a compound • State change from liquid to gas • anything that has mass and volume • A lasting attraction between 2 atoms • Multiple reactants to form 1 product • These types of ions have special endings • Name the kind of reaction; AB+ CD -> AD+CB • ...

Chem intro yr 10 2025-03-30

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When molecules stick to a surface.
Reaction of an acid with a base to form salt and water.
Solution that conducts electricity.
Two or more substances combine to form one.
Product formed in acid-base reactions.
The gradual destruction of metals by chemical reactions.
The solid formed in a precipitation reaction.
Made from non-metals sharing electrons.
A more reactive element replaces a less reactive one.
Biological catalyst that speeds up reactions.
A substance reacts with oxygen and releases heat.
Used to show pH, like litmus or universal.
Conductor through which electricity enters or leaves.
Substances that donate hydrogen ions and have a low pH.

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A compound breaks down into simpler substances.
Using electricity to break compounds apart.
Substances that accept hydrogen ions and have a high pH.
Negative electrode in electrolysis.
Releases heat energy.
A base that dissolves in water.
Absorbs heat energy.
compound Formed when metals and non-metals transfer electrons.
Reaction where an insoluble solid forms in solution.
Positive electrode in electrolysis.
Speeds up a reaction without being used up.

25 Clues: Absorbs heat energy. • Releases heat energy. • A base that dissolves in water. • When molecules stick to a surface. • Negative electrode in electrolysis. • Solution that conducts electricity. • Positive electrode in electrolysis. • Product formed in acid-base reactions. • Made from non-metals sharing electrons. • Used to show pH, like litmus or universal. • ...

Chemistry Vocab 2020-09-04

Across

Abbreviations; usually one or two letters from the Latin alphabet.
A liquid mixture in which the minor component is uniformly distributed within the major compound.
Any of a material's properties that becomes evident during, or after, a chemical reaction.
When a substance combines with another to form a new substance.
The action or process of filtering something.
A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or nuclear reaction.
A thing that is composed of two or more separate elements; a mixture
Made up of individual atoms, elemental molecules made from one type of atom, or compound molecules made from various atoms.
A substance made by mixing other substances together.
A distinct period or stage in a series of events or a process of change or development.
A column of elements in the periodic table, there 18 numbered groups.
A property of physical body, and a measure of its resistance to acceleration when a net force is applied.
A particular kind of matter with uniform properties.
Each of more than 100 substances that cannot be chemically interconverted or broken down into simpler substances.
The action of purifying a liquid by a process of heating and cooling.
The species formed from chemical reaction.
Firm and stable in shape; not liquid or fluid.

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A property that is measureable, whose values describes a state of a physical system.
A table of the chemical elements arranged in order of atomic number, usually in rows so elements with similar atomic structure appear in columns.
A substance separated from a solution or suspension by chemical or physical change usually as an insoluble or amorphous crystaline solid.
Changes affecting the form of a chemical substance, but not its chemical composition.
A solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
the horizontal rows on the periodic table; corresponds to the successive occupation of the orbitals in a valence shell of the atom.
A substance that takes part in and undergoes change during a reaction.
Physical quantity whose value is proportional to the size or system it describes, or to the quantity of matter in the system.
Does not depend on the quantity of matter.
Mass is neither created or destroyed.
the amount of space that a substance or object occupies, or that is enclosed within a container.
A nearly incompressible fluid that conforms to the shape of its container, but retains a constant volume.
A mixture that has components in which proportions vary throughout the sample.
A substance diffused or suspended in the air, especially one normally liquid or solid.

31 Clues: Mass is neither created or destroyed. • Does not depend on the quantity of matter. • The species formed from chemical reaction. • The action or process of filtering something. • Firm and stable in shape; not liquid or fluid. • A particular kind of matter with uniform properties. • A substance made by mixing other substances together. • ...

Chem Vocab Review 1 2017-05-02

Across

reaction that involves O2 as a reactant and typically CO2, H2O and heat as products
phase change from solid to gas
6.02x10^23
row on the Periodic Table
positive particle in an atom
elements and compounds are examples of ___; has a chemical formula
type of reaction in which two ions swap “partners” to form 2 new compounds
system absorbs heat
subatomic particle with no charge
diagram that shows all electrons in an atom or ion on rings
theory that defines an acid as a proton donor
reactant that controls the amount of product that can be produced in a chemical reaction
acid that ionizes completely in solution
type of bond formed between C and H
system releases heat
type of bond formed between Na and Cl
theory that defines a base as producing OH- in water

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substance with a pOH less than 7
diagram that shows the valence electrons in an atom or ion
atom of an element with a varying number of neutrons
type of mixture in which parts cannot be distinguished
ratio of actual yield to theoretical yield
most dense phase of matter
ratio of any two parts of a balanced chemical equation; includes coefficient and formula
measure of concentration; ratio of moles of solute to to volume (in L) of solution
shows simplest ratio of atoms in a compound
a measure of the kinetic energy of molecules
ratio of mass to volume
formed when an atom gains or loses electrons
measure of the acidity/basicity of a substance; calculated as -log[H+]

30 Clues: 6.02x10^23 • system absorbs heat • system releases heat • ratio of mass to volume • row on the Periodic Table • most dense phase of matter • positive particle in an atom • phase change from solid to gas • substance with a pOH less than 7 • subatomic particle with no charge • type of bond formed between C and H • type of bond formed between Na and Cl • ...

Mid-term review crossword 2022-12-07

Mid-term review crossword crossword puzzle

Across

the ability to do work
negatively charge subatomic particle that can be either bound to an atom or free
reaction process in which one or more substances, the reactants, are converted to one or more different substances
if its moving
sum of all the forces acting on an object
every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
the layer of granitic, sedimentary, and metamorphic rocks, which form the continents and the areas of shallow seabed close to their shores
the time rate at which an object is moving along a path
chemical element that lacks the characteristics of metal
really small and it's a source of nuclear reaction
vector expression of the displacement that an object or particle undergoes with respect to time
table table of chemical elements

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subatomic particles found inside the nucleus of every atom
shows the elements that make up the compound and the numbers of atoms of each element in the smallest unit of that compound,
substances with high electrical and thermal conductivity
a force to be equal to change in momentum (mass times velocity) per change in time
a process whereby the degree of hotness of a body (or medium) changes.
change substance that changes to an unusual color
boundary between two tectonic plates, where the plates are moving horizontally or vertically in opposite directions, not against or away from each
for every action (force) in nature there is an equal and opposite reaction.
if its not moving
scientific study of the deformation of the rocks that make up the Earth's crust and the forces that produce such deformation.

22 Clues: if its moving • if its not moving • the ability to do work • table table of chemical elements • sum of all the forces acting on an object • change substance that changes to an unusual color • really small and it's a source of nuclear reaction • the time rate at which an object is moving along a path • substances with high electrical and thermal conductivity • ...

Environmental science 2021-09-06

Across

needed by all known forms of life.
type of biochemical reactions that breakdowns molecules into smaller units and release energy.
is a pure substance.
A widely accepted hypothesis that stands the test of time. Theories are oftentested and usually not rejected.
ability to do work.
a compound found mainly in living things.
are tiny units that make up all matter in the universe and energy what holds the nucleus together.
these reactions build up bigger molecules from smaller ones.
the sum of all the biochemical reactions in an organism.
comprises all types of water resources oceans, lakes, seas, rivers, streams, reservoirs,icecaps, glaciers, and groundwaters.
organized body of knowledge that is obtained by study and experimentation.
developing knew knowledge based upon old knowledge.
a test that is used to rule out a hypothesis or validate something already known.
unit work of energy in the International System of Units.

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a force that holds molecules together.
the concentration of hydronium ions in a solution.
where life operates.
is the main element in organic compound.
the unit of power.
is the study of energy.
The study of the interactions between life and its physical environment.
Is a a substance that consist of two or more element
a substance that starts a chemical reaction.
the energy needed to start a chemical reaction.
anything that takes up space and has mass.
the outer mantle of the solid earth.
the protective blanket of gases surrounding the earth.
the rate at which energy is used.
a substance that forms as a result of a chemical reaction.
it is a latin word that means knowledge.

30 Clues: the unit of power. • ability to do work. • where life operates. • is a pure substance. • is the study of energy. • the rate at which energy is used. • needed by all known forms of life. • the outer mantle of the solid earth. • a force that holds molecules together. • is the main element in organic compound. • it is a latin word that means knowledge. • ...

Environmental science 2021-09-06

Across

needed by all known forms of life.
type of biochemical reactions that breakdowns molecules into smaller units and release energy.
is a pure substance.
A widely accepted hypothesis that stands the test of time. Theories are oftentested and usually not rejected.
ability to do work.
a compound found mainly in living things.
are tiny units that make up all matter in the universe and energy what holds the nucleus together.
these reactions build up bigger molecules from smaller ones.
the sum of all the biochemical reactions in an organism.
comprises all types of water resources oceans, lakes, seas, rivers, streams, reservoirs,icecaps, glaciers, and groundwaters.
organized body of knowledge that is obtained by study and experimentation.
developing knew knowledge based upon old knowledge.
a test that is used to rule out a hypothesis or validate something already known.
unit work of energy in the International System of Units.

Down

a force that holds molecules together.
the concentration of hydronium ions in a solution.
where life operates.
is the main element in organic compound.
the unit of power.
is the study of energy.
The study of the interactions between life and its physical environment.
Is a a substance that consist of two or more element
a substance that starts a chemical reaction.
the energy needed to start a chemical reaction.
anything that takes up space and has mass.
the outer mantle of the solid earth.
the protective blanket of gases surrounding the earth.
the rate at which energy is used.
a substance that forms as a result of a chemical reaction.
it is a latin word that means knowledge.

Water and Seawater - Academic Decathlon Presentation 2021-05-09

Water and Seawater - Academic Decathlon Presentation crossword puzzle

Across

The mass of one mole of a substance.
Any of a material's properties that become evident during, or after, a chemical reaction.
A pure substance consisting only of atoms that all have the same number of protons.
A particle, atom, or molecule with a net electrical charge.
Any property that is measurable, whose value describes a state of a physical system.
A unit of measurement for a substance defined as 6.02 x 10^23 particles.
An acid-base reaction theory that describes how to identify an acid and base in a reaction.
A very weak acid formed in a solution when carbon dioxide dissolves in water.
An ion with a negative charge.

Down

A bond involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons.
The process by which plants and some organisms use sunlight, carbon dioxide, and water to create food.
A process involving the production of energy with the intake of oxygen and the release of carbon dioxide
Having a higher osmotic pressure than a surrounding medium.
The amount of salt dissolved in a body of water.
An ion with a positive charge.
Having a lower osmotic pressure than a surrounding medium.
A chemical compound consisting of an ionic assembly of cations and anions.
A substance composed of atoms from more than one element held together by chemical bonds.
A law stating that the mass of a dissolved gas in a given volume of solvent at equilibrium is proportional to the partial pressure of the gas.
A substance which will expand freely to fill the whole container having no fixed state or volume.

20 Clues: An ion with a positive charge. • An ion with a negative charge. • The mass of one mole of a substance. • The amount of salt dissolved in a body of water. • Having a lower osmotic pressure than a surrounding medium. • A particle, atom, or molecule with a net electrical charge. • Having a higher osmotic pressure than a surrounding medium. • ...

Section 1.1 Vocabulary 2016-10-24

Across

bonds/ bonds that occur through either sharing of electrons or donation between atoms
the substances that take part in a chemical reaction
anything that takes up space and has mass; can exist in the form of solids, liquids, or gases.
forms when two or more atoms of any type of element share a bond
changing the shape of an object
the substance dissolved in a liquid
a new substance formed when reactants are chemically changed
the abundance of a constituent divided by the total volume of a mixture
a property of fluids that measures the resistance offered by the fluid to shear stress
a substance composed of atoms all with the same atomic number; cannot be split chemically into smaller substances
a combination of subatomic particles: protons (+), neutrons (neutral), and electrons (-)

Down

the ability of a body to regain its original shape after deformation
formed when two or more different typed of elements combine in a specific ratio
the use of mathematics to quantify what occurs in a chemical reaction
positively charged whole numbers that give information about how many moles of a substance are involved in a reaction
a counting unit (mol) to quantify the number of atoms, particles, or molecules in a given mass
ratio/ is the relationship between the coefficients of reactants and products
a homogeneous mixture that results from a solute dissolving in a solvent
number of moles of solute per liters of solvent
the ability of a material to undergo plastic deformation before fracture; mathematically, defined as a percentage
strength/ the amount of stress a material can withstand before undergoing a significant change to its cross sectional area; not measured but obtained using experimental measures

21 Clues: changing the shape of an object • the substance dissolved in a liquid • number of moles of solute per liters of solvent • the substances that take part in a chemical reaction • a new substance formed when reactants are chemically changed • forms when two or more atoms of any type of element share a bond • ...

Natural Science 2024-07-21

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a chemical reaction that happens in some living things, such as yeast and bacteria.
the flow of electrical charges through materials.
a material which does not allow electrical charges to move.
a method used to separate substances of different density in heterogeneous mixtures.
another word for a homogeneous mixture.
a chemical reaction that happens when some metal substances such as iron combine with oxygen in the presence of water.
A connecting wire, usually made of copper, wrapped in plastic covering.
a device with a magnetic needle that always points north. We use it to orient ourselves.
the component of an electric circuit which provides the electricity.
the component of an electric circuit which transforms electricity into another type of energy.
a mixture in which the different components can be distinguished.

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a method used to separate solids from liquids, or solids with different size particles, in heterogeneous mixtures.
a method used to separate liquids that have different boiling points in homogeneous mixtures.
a type of matter which contains only one type of component.
an object which can attract other objects made of iron and other magnetic metals.
a closed path through which electricity flows.
These happen when atoms react and group together differently.
a type of matter which contains two or more pure substances.
a method used to separate solids from liquids in homogeneous mixtures.
a material which allows electrical charges to move.
a mixture in which the different components cannot be distinguished.
a chemical reaction that happens when objects or substances are burned.
the force of attraction exerted by magnets.

23 Clues: another word for a homogeneous mixture. • the force of attraction exerted by magnets. • a closed path through which electricity flows. • the flow of electrical charges through materials. • a material which allows electrical charges to move. • a type of matter which contains only one type of component. • a material which does not allow electrical charges to move. • ...

science cross word 2024-04-11

Across

The force exerted by magnets when they attract or repel each other.
A solid shape that is bound on all its sides by plane faces.
A combination of all colors in the color spectrum.
A compound or substance that has been purified or prepared, especially artificially.
The smallest unit into which matter can be divided without the release of electrically.
A usually irreversible chemical reaction involving the rearrangement of the atoms
Any action that tends to maintain or alter the motion of a body or to distort it.
A process in which one or more substances, the reactants, are converted to one or more
A substance that is formed as the result of a chemical reaction.
A physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes.
Change with time of the position or orientation of a body.
A property of matter by which it remains at rest or in unchanging motion unless acted on by some external force.
The ability to make things move and change.

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The energy contained within a system that is responsible for its temperature.
Stored energy that depends upon the relative position of various parts of a system.
The transfer energy from a source of light.
The formula for force in newtons.
A substance or mixture for use in chemical analysis or other reactions.
A redistribution of atoms or atomic groups within a molecule, forming the molecule of a different substance.
The energy an object has because of its motion.
A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
The formula for speed times time.
The qualities and characteristics of a substance that describe and identify it.

23 Clues: The formula for force in newtons. • The formula for speed times time. • The transfer energy from a source of light. • The ability to make things move and change. • The energy an object has because of its motion. • A combination of all colors in the color spectrum. • Change with time of the position or orientation of a body. • ...

Gen Bio 1 Exam 2 2024-10-18

Across

The diffusion of water across a cell membrane
Reactions that break down complex molecules into simpler compounds
A protein that speeds up a reaction without being consumed by it
An allosteric regulator that binds to one of the enzyme subunits and stabilizes the inactive form of the enzyme
Certain chemicals that inhibit the action of specific enzymes
An allosteric regulator that binds to one of the enzyme subunits and stabilizes the active form of the enzyme
Proteins that penetrate the hydrophobic interior of the lipid bilayer
A reaction that absorbs free energy; nonspontaneous
The cell takes up large molecules within vesicles formed around them at the plasma membrane
Energy associated with the movement of atoms or molecules
Energy that matter possesses because of its location
Membrane proteins that have short carbohydrate chains bound to them
The totality of an organism's chemical reactions
Channel proteins that enhance the passage of water molecules across cell membranes
A form of allosteric regulation where the substrate binds to one active site affecting catalysis in another active site

Down

The reactants that an enzyme acts on
A solution that has same concentration of water as the solution on the other side of the membrane
Energy that matter possesses because of chemical structure
Proteins that are not embedded in the membrane lipid bilayer
Substance that helps the membrane resist changes in fluidity when temperatures change
Large molecules within vesicles that dissolve into the plasma membrane and are secreted to the outside of the cell
Solutions with the lower concentration of water
Solutions with the higher concentration of water
A reaction that releases free energy; spontaneous
Reactions that build complex molecules from simpler one

25 Clues: The reactants that an enzyme acts on • The diffusion of water across a cell membrane • Solutions with the lower concentration of water • Solutions with the higher concentration of water • The totality of an organism's chemical reactions • A reaction that releases free energy; spontaneous • A reaction that absorbs free energy; nonspontaneous • ...

Matter and Energy in Ecosystems 2025-02-11

Matter and Energy in Ecosystems crossword puzzle

Across

a closed ecosystem made by humans
an organism that gets energy storage molecules by breaking down dead matter
the part of a cell where cellular respiration happens
the chemical reaction between oxygen and glucose that release energy into cells and carbon dioxide
matter that makes up the nonliving parts of an ecosystem (air, water, rocks)
a type of atom that makes up carbon dioxide and energy storage molecules
a type of energy storage molecule
a molecule that organisms can use to release the energy they need to survive
a type of energy storage molecule
something that results from a process
a type of energy storage molecule made of many glucose molecules connected together
all the living and nonliving things interacting in a particular area
a set of interacting parts forming a complex whole

Down

matter that makes us the living and dead organisms in an ecosystem
a molecule made of carbon and oxygen atoms (CO2)
a group of atoms joined together in a particular way
the ability to make things move or change
a ending substance that is made during a chemical reaction
the process where producers use sunlight to change carbon dioxide and water into oxygen and glucose
an organism that needs to eat in order to get ESM
something that is required for a process
the part of a cell where photosynthesis happens
a starting substance that is part of a chemical reaction
an organism that can make its own energy storage molecules
living things, such as plants, animals, and bacteria
a molecule that organisms can use to release energy, and that is made of carbon, hydrogen, and oxygen atoms

26 Clues: a closed ecosystem made by humans • a type of energy storage molecule • a type of energy storage molecule • something that results from a process • something that is required for a process • the ability to make things move or change • the part of a cell where photosynthesis happens • a molecule made of carbon and oxygen atoms (CO2) • ...

Unit 4 Chem Vocab 2017-03-13

Across

the study of quantitative relationships between the amounts of reactants and products in a reaction.
the max amount of product that can be produced from a given amount of reactant.
the ratio between the numbers of moles of any two substances.

Down

the ratio of an actual yield to a theoretical yield as a percentage.
the amount of product produced when a chemical reaction is carried out.
a reactant that remains after a chemical reaction stops.
a reactant that is completely consumed during a chemical reaction and limits the extent of said reaction.

7 Clues: a reactant that remains after a chemical reaction stops. • the ratio between the numbers of moles of any two substances. • the ratio of an actual yield to a theoretical yield as a percentage. • the amount of product produced when a chemical reaction is carried out. • the max amount of product that can be produced from a given amount of reactant. • ...

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