chemical reaction Crossword Puzzles
unit 2 2022-01-20
Across
- or more atoms held by chemical bonds
- of matter in something
- object that has a definite shape and volume
- volume but no definite shape
- property: characteristic of matter that you can see without changing the identity of the substances it makes up
- of solids,liquids,and gases
- created by two or more elements that are chemically joined in a combination
- change:size,shape,form, state of matter, which the matter’s identity stays the same
- that takes up space
Down
- substance that is created by one kind of atom
- matter occupies
- to catch fire
- per unit volume
- property:ability or inability to change into one or more substances
- of conservation of mass: that the total mass before a chemical reaction is the is similar as total mass after a chemical reaction
- definite shape or volume
- substance dissolves in another
- change:change in matter which the substances that make up matter change into substances that have different chemical and physical properties
18 Clues: to catch fire • matter occupies • per unit volume • that takes up space • of matter in something • definite shape or volume • of solids,liquids,and gases • volume but no definite shape • substance dissolves in another • or more atoms held by chemical bonds • object that has a definite shape and volume • substance that is created by one kind of atom • ...
tania 2.1 vocab 2021-10-28
Across
- chemical reaction that gives off heat energy
- in a chemical reaction the arrow usually points away from the reactant
- a chemical reaction that obsons heat energy
- a process that changes substance into new substance
Down
- reaction a process that changes substance into new substance
- the result of a chemical reaction
- a change in matter that does not affect its chemical composition
- material that has mass and takes up some amount of spaces
8 Clues: the result of a chemical reaction • a chemical reaction that obsons heat energy • chemical reaction that gives off heat energy • a process that changes substance into new substance • material that has mass and takes up some amount of spaces • reaction a process that changes substance into new substance • ...
Alora 2.1 vocab 2021-10-26
8 Clues: change in matter • chemical reaction • absorbs heat energy • material that has mass • reaction that gives off heat • changes substances into new substances • substances formed during a chemical reaction • substances present before a chemical reaction
Chemical Reactions and Physical Changes Crossword 2022-09-05
Across
- making a _____ reaction in science.
- there is three different _____ of matter.
- the new substance formed after the chemical reaction.
- a state where the substance is runny.
- in chemical changes a new _____ is formed.
- when you heat a liquid up to 100°.
- a state of matter where the particles are spread out to fill the space it's in.
Down
- in _____ changes no new substance forms.
- a state where the particles are close together.
- the substance that we start with for science.
- a chemical reaction that occurs when a new substance combines with oxygen and makes heat.
11 Clues: when you heat a liquid up to 100°. • making a _____ reaction in science. • a state where the substance is runny. • in _____ changes no new substance forms. • there is three different _____ of matter. • in chemical changes a new _____ is formed. • the substance that we start with for science. • a state where the particles are close together. • ...
unit 2 2022-01-20
Across
- or more atoms held by chemical bonds
- of matter in something
- object that has a definite shape and volume
- volume but no definite shape
- property: characteristic of matter that you can see without changing the identity of the substances it makes up
- of solids,liquids,and gases
- created by two or more elements that are chemically joined in a combination
- change:size,shape,form, state of matter, which the matter’s identity stays the same
- that takes up space
Down
- substance that is created by one kind of atom
- matter occupies
- to catch fire
- per unit volume
- property:ability or inability to change into one or more substances
- of conservation of mass: that the total mass before a chemical reaction is the is similar as total mass after a chemical reaction
- definite shape or volume
- substance dissolves in another
- change:change in matter which the substances that make up matter change into substances that have different chemical and physical properties
18 Clues: to catch fire • matter occupies • per unit volume • that takes up space • of matter in something • definite shape or volume • of solids,liquids,and gases • volume but no definite shape • substance dissolves in another • or more atoms held by chemical bonds • object that has a definite shape and volume • substance that is created by one kind of atom • ...
Changes to Matter 2021-01-20
Across
- Gas ______ are a sign of a chemical reaction.
- Hydrogen is an example of an element.
- In a ________ change, a new substance is formed.
- A _______ is a combination of at least two atoms.
- The most common element in the atmosphere is _________.
- Earth's _____ is made mostly of oxygen and silicon.
- A pencil breaking is an example of a ______ change.
- In a chemical change, a ____ substance is formed.
Down
- In a chemical change, a new ________ is formed.
- A substance made of one thing is called a _____ substance.
- A solid formed by two liquids in a chemical reaction.
- The two most common elements on Earth's crust are ______ and silicon.
- Nitrogen is the most common element in the _________.
- A pure _______ is made of just one thing.
- A _______ is a molecule with more than one type of element.
- The element He on the Periodic Table
- The two most common elements on Earth's crust are oxygen and _______.
17 Clues: The element He on the Periodic Table • Hydrogen is an example of an element. • A pure _______ is made of just one thing. • Gas ______ are a sign of a chemical reaction. • In a chemical change, a new ________ is formed. • In a ________ change, a new substance is formed. • A _______ is a combination of at least two atoms. • ...
Science Revision - Atoms Elements and Compounds 2025-05-08
Across
- What element has the chemical symbol Mg
- What element has the chemical symbol C
- Used to separate elements in compounds using heat
- What element has the chemical symbol O
Down
- Complete the word equation: Calcium + Carbon + Oxygen → Calcium _________
- Complete the word equation: Iron + Sulfur → Iron ______
- What element has the chemical symbol Fe
- What element has the chemical symbol Au
- What element has the chemical symbol Br
- To check if a chemical reaction has happened you can see if a ___ has been given off.
- To check if a chemical reaction has happened you can see if there is a change of _______.
11 Clues: What element has the chemical symbol C • What element has the chemical symbol O • What element has the chemical symbol Fe • What element has the chemical symbol Mg • What element has the chemical symbol Au • What element has the chemical symbol Br • Used to separate elements in compounds using heat • Complete the word equation: Iron + Sulfur → Iron ______ • ...
Oxidation Puzzle 2025-08-13
Across
- Describes a chemical equation with equal atoms on both sides.
- A substance that causes or speeds up a reaction (e.g., oxidizing ____).
- Matter with uniform properties; can be an element or compound.
- Chemical process involving the loss of electrons.
- Vertical column in the periodic table with similar properties.
- Negatively charged subatomic particles involved in bonding.
Down
- Starting material in a chemical reaction.
- Pure substances made of one type of atom (e.g., gold, oxygen).
- Two or more atoms bonded together (e.g., H₂O).
- Property of an ion or particle (positive or negative).
- Substance formed in a chemical reaction.
11 Clues: Substance formed in a chemical reaction. • Starting material in a chemical reaction. • Two or more atoms bonded together (e.g., H₂O). • Chemical process involving the loss of electrons. • Property of an ion or particle (positive or negative). • Negatively charged subatomic particles involved in bonding. • Describes a chemical equation with equal atoms on both sides. • ...
Chemical Reactions Vocabulary 2023-11-05
Across
- A sample of matter, either a single element or single compound that has definite chemical and physical properties
- Chemical _________ uses chemical symbols and numbers to represent a given substance
- Process in which atoms are rearranged and chemical bonds are broken and formed to produce a change in the substance
- Ability to cause change
- A group of atoms held together by chemical bonds
Down
- A substance that forms in a chemical reaction
- A substance that participates in a chemical reaction
- Smallest unit of an element that maintains properties of element
- Chemical _________ is a representation of the chemical reaction that uses symbols to show the relationship between reactants and products
- A combination of two or more substances that are not chemically combined
10 Clues: Ability to cause change • A substance that forms in a chemical reaction • A group of atoms held together by chemical bonds • A substance that participates in a chemical reaction • Smallest unit of an element that maintains properties of element • A combination of two or more substances that are not chemically combined • ...
Physical Science Review 2022-12-01
Across
- Type of chemical reaction in which one substance breaks down into two or more substances
- The temperature at which the pressure of the vapor of a liquid is equal to the external pressure acting on the surface of the liquid
- The smallest particle of an element that still retains the properties of the element
- Compound that has water chemically attached to its atoms and written into its chemical formula
- Particle with an electric charge of 1-
- Substance with atoms that are all alike
- Sum of the number of protons and neutrons in an atom's nucleus
- A substance that speeds up a chemical reaction
Down
- Force that holds atoms together in a compound
- State of matter where particles are aligned in a crystalline structure
- Type of bond formed when atoms share electrons
- Pattern of investifation procedures that helps scientist test a hypothesis
- Positive particles in the nucleus of an atom
- Anything that takes up space and has mass
- Substances that slows down or prevents a chemical reaction from occurring
15 Clues: Particle with an electric charge of 1- • Substance with atoms that are all alike • Anything that takes up space and has mass • Positive particles in the nucleus of an atom • Force that holds atoms together in a compound • Type of bond formed when atoms share electrons • A substance that speeds up a chemical reaction • ...
Biology Vocab 2016-10-18
Across
- a chemical bond formed between 2 ions with opposite charges.
- a measure of the hydrogen ion concentration of a solution.
- the building blocks of all biological proteins
- macromolecular biological catalysts.
- a substance capable of initiating or speeding up a chemical reaction.
- a substance made up of atoms with the same number of protons.
- very large and complex organic molecules that contain the genetic code for that organism.
- a chemical reaction in which 2 molecules combine to form a larger molecule with the elimination of small molecule.
- like a key into a rock, only the correct size and shape of the substrate(key) would fit into the active site(key Hole) of the enzyme.
- naturally occurring molecules that include fats, waxes,fat-soluble vitamins, and others.
Down
- the basic unit of matter.
- a chemical reaction that builds up molecules by losing water molecules.
- natural compound of carbon, hydrogen, and oxygen.
- a chemical bond formed by the sharing of 1 or more electrons.
- a molecule that may react chemically to another molecule of the same type.
- larger biological polymers which are made up of smaller monomers linked together.
- a molecule composed of polymers and amino acids joined together by peptide bonds.
- the sticking together of alike molecules.
- a chain of 2 or more simple sugars.
- a weak chemical bond between an electronegative atom and a hydrogen atom.
- a substance made up from many smaller sub-unit, especially joined together.
- the sticking together of unlike molecules.
- smallest unit of an element or compound, made up of 2 or more atoms.
23 Clues: the basic unit of matter. • a chain of 2 or more simple sugars. • macromolecular biological catalysts. • the sticking together of alike molecules. • the sticking together of unlike molecules. • the building blocks of all biological proteins • natural compound of carbon, hydrogen, and oxygen. • a measure of the hydrogen ion concentration of a solution. • ...
Chemistry 2021-10-08
Across
- A solid that forms during a chemical reaction that takes place in a solution.
- An atom that has lost or gained an electrons and therefore has an electrical charge.
- a solution, the substance that dissolves.
- A pure substance that is made up of only one kind of atom
- The scientific principle that matter is neither created nor destroyed during a chemical change.
- A mixture in which substances are distributed evenly. (You cannot see the different parts)
- A homogeneous mixture in which one substance completely dissolves in another substance
Down
- The elements or compounds produced by a chemical reaction.
- Used to describe a material that can be hammered or beaten into thin sheets.
- A substance that is present at the beginning of a chemical reaction
- A pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same.
- A vertical column of elements in the periodic table- can show number of valence electrons.
- An element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is dull.
- A mixture in which substances are not distributed evenly. (You can see the different parts)
- A combination of two or more substances that are not chemically combined.
- Hard substance that will break or shatter easily.
- An element that has physical and chemical properties of both metals and nonmetals; can be a semi-conductor.
- A horizontal row of elements in the periodic table- shows number of electron shells for an element.
- In a solution, the substance that does the dissolving
- The ability of a substance to be pulled into a wire.
20 Clues: a solution, the substance that dissolves. • Hard substance that will break or shatter easily. • The ability of a substance to be pulled into a wire. • In a solution, the substance that does the dissolving • A pure substance that is made up of only one kind of atom • The elements or compounds produced by a chemical reaction. • ...
Matter Puzzle 2 2019-09-04
Across
- a way to separate a mixture in which one layer is carefully poured off of another layer
- tending to vaporize easily
- a unit of energy equal to 3.6 million joules
- a law stating that energy can be neither created nor destroyed
- an energy unit equivalent to 1000 little-c calories
- the energy of a body that is associated with its position or the arrangement of it parts
- the capacity to do work
- a change in which matter does not change its composition, even though its appearance might change
- energy associated with the motion of an object
- describes a process that releases heat energy
- a method of separating a mixture composed of a solid and a liquid in which the mixture is poured through filter paper held in a funnel to capture the solid component.
Down
- describes a process that absorbs heat energy
- a way to separate mixtures in which the mixture is heated to boil off the more volatile component
- the result of a force acting on a distance
- reaction the process by which one or more substances transform into different substances via a chemical change
- a final substance produced in a chemical reaction; represented on the right side of a chemical equation
- a type of kinetic energy associated with the temperature-dependent random movement of atoms and molecules
- a measure of its thermal energy
- scale of temperature setting 0 at the freezing point of a concentrated salt water solution and 96 at the normal body temperature.
- the transfer or exchange of thermal energy caused by a temperature difference
- energy energy associated with the flow of electric charge
- an initial substance in a chemical reaction, represented on the left side of a chemical equation
22 Clues: the capacity to do work • tending to vaporize easily • a measure of its thermal energy • the result of a force acting on a distance • describes a process that absorbs heat energy • a unit of energy equal to 3.6 million joules • describes a process that releases heat energy • energy associated with the motion of an object • ...
Unit 2: Thermochemistry 2025-04-02
Across
- change from a liquid state to a solid state
- portion of matter undergoing a chemical or physical change being studied
- A -------process where a chemical reaction or physical change absorbs heat
- change from liquid state to gaseous state
- study of measuring the amount of heat absorbed or released during a chemical reaction or a physical change
- A ------process where a chemical reaction or physical change that releases heat
- and enthalpy ------ id the heat released or absorbed by a system under constant pressure during a chemical or physical process
- process of measuring the amount of heat involved in a chemical or physical process
- change from a gaseous state directly to a solid state
Down
- energy of a moving body
- Whos law states that if a process can be represented as the sum of several steps, the enthalpy change of the process equals the sum of the enthalpy changes of the steps
- change from solid state directly to gaseous state
- change from a solid state to a liquid state
- all matter other than the system being studied
- The transfer of thermal energy between two bodies
- energy of a particle or system of particles derived from relative position, composition, or condition
- A ------- calorimeter is a device designed to measure the energy change for processes occurring under conditions of constant volume.
- sum of a system’s internal energy and the mathematical product of its pressure and volume
- change from a gaseous to a liquid state
- energy transfer due to changes in external, macroscopic variables such as pressure and volume; or causing matter to move against an opposing force
- The capacity to supply heat or do work.
21 Clues: energy of a moving body • change from a gaseous to a liquid state • The capacity to supply heat or do work. • change from liquid state to gaseous state • change from a liquid state to a solid state • change from a solid state to a liquid state • all matter other than the system being studied • change from solid state directly to gaseous state • ...
Chemistry Exam 2023-05-09
Across
- Subatomic particles found inside the nucleus of every atom
- An element that possesses a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
- A substance with two or more atoms
- Releases energy from its surroundings
- variable that changes as a result of the independent variable manipulation
- 6.022 × 10
- A small particle with a negative charge that is found in all atoms.
- A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons.
- Composed by a single element or compound
- The process of using electricity to split water into hydrogen and oxygen
- 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.
- Fundamental items that can't be easily broken into smaller pieces
Down
- A variable that isn't changed by other variables
- A substance that takes part in and undergoes changes in a reactions
- Opaque, lustrous elements that are good conductors of heat and electricity.
- Process used by plants and other organisms to convert light energy into chemical reaction.
- A process in which sugars are transformed into a new product through chemical reactions
- Russian Chemist and inventor is known for formulating the periodic law
- The same number of each type of atom on both sides of the equation
- Reaction that absorbs energy
- A force that acts from the outside
- A column of elements in the periodic table of the chemical elements.
- A substance that is present at the end of a chemical reaction.
- A row of chemical elements
- a substance made from two or more different elements that have been chemically joined.
25 Clues: 6.022 × 10 • A row of chemical elements • Reaction that absorbs energy • A substance with two or more atoms • A force that acts from the outside • Releases energy from its surroundings • Composed by a single element or compound • A variable that isn't changed by other variables • Subatomic particles found inside the nucleus of every atom • ...
Word Wall Words #2 (24-25) 2024-10-10
Across
- The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
- A mixture that features distinct components that can be easily seen and sorted.
- A chemical bond formed when two atoms share electrons to form a chemical bond.
- A neutral group of two or more atoms held together by covalent bonds.
- A pure substance that cannot be broken down into other substances by chemical or physical means.
- The universal measuring system based on units of tens.
- Able to be changed or adapted.
- The variable that changes as a result of the independent variable manipulation.
- A substance formed as a result of a chemical reaction.
- A reaction that releases energy, usually in the form of heat.
- A substance made of two or more different elements chemically combined in a specific ratio or proportion.
Down
- The practice of using less of a resource so that it can last longer.
- A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance dissolves another.
- A measure of how much matter is in an object.
- A mixture that often looks the same throughout the entire mixture.
- A reaction that absorbs energy.
- The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
- The measurement of how much mass of a substance is contained in a given volume.
- The variable you manipulate or vary in an experimental study to explore its effects.
- The amount of space that matter occupies.
- The attraction between ions with opposite charges. The atoms gain or lose electrons to form a chemical bond.
21 Clues: Able to be changed or adapted. • A reaction that absorbs energy. • The amount of space that matter occupies. • A measure of how much matter is in an object. • The universal measuring system based on units of tens. • A substance formed as a result of a chemical reaction. • A reaction that releases energy, usually in the form of heat. • ...
Chem 1 Chapter 11 Vocabulary 2023-02-16
Across
- a chemical equation that does not indicate the relative amounts of the reactants and products
- reaction a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light
- a chemical change in which one element replaces a second element in a compound
- an equation that shows dissolved ionic compounds as dissociated free ions
- a substance that speeds up the reaction but is not used up in the reaction
- a number placed in front of a chemical symbol or formula
- a chemical change in which one element replaces a second element in a compound
Down
- a chemical change in which two or more substances react to form a single new substance
- lists elements in order of decreasing reactivity.
- a chemical change in which a single compound breaks down into two or more simpler products
- representation of a chemical reaction
11 Clues: representation of a chemical reaction • lists elements in order of decreasing reactivity. • a number placed in front of a chemical symbol or formula • an equation that shows dissolved ionic compounds as dissociated free ions • a substance that speeds up the reaction but is not used up in the reaction • ...
Chemistry 2023-04-26
Across
- the consistent arrangement of atoms within a molecule
- when a chemical reaction absorbs heat (energy)
- large particle with no charge which makes up atoms
- The positive or negative charge of an atom or molecule
- when a chemical reaction releases heat (energy)
- building blocks of all matter
- when two or more atoms join together
Down
- large positively charged particle which makes up atoms
- small particle with a negative charge which orbits the nucleus of atoms
- When a chemical reaction produces a solid and a liquid
- a substance with a high pH
- a substance with a low pH
12 Clues: a substance with a low pH • a substance with a high pH • building blocks of all matter • when two or more atoms join together • when a chemical reaction absorbs heat (energy) • when a chemical reaction releases heat (energy) • large particle with no charge which makes up atoms • the consistent arrangement of atoms within a molecule • ...
Module 2 Chemistry of Life Crossword 2023-09-15
Across
- Something that has a mass and a volume
- The ability to do work
- A large molecule composed of smaller substances
- Macromolecule with an element formula of CH2O
- The monomers of a protein
- A chemical reaction that occurs in plants used to create energy that the plants uses to create proteins
- The Combonation of two or more elements to create a molecule
Down
- Two or more elements that have bonded together
- The result of a chemical reaction
- The monomers of nucleic acids
- Macromolecule used for building muscle and most bodily functions
- The substance being changed in a chemical reaction
12 Clues: The ability to do work • The monomers of a protein • The monomers of nucleic acids • The result of a chemical reaction • Something that has a mass and a volume • Macromolecule with an element formula of CH2O • Two or more elements that have bonded together • A large molecule composed of smaller substances • The substance being changed in a chemical reaction • ...
Chemistry [11.1a - 12.3a] 2022-12-02
Across
- Compounds are swapped
- Form of equation in which the law of conservation of mass is upheld
- Written representation of a chemical reaction
- A substance is broken down into two or more other substances
- Hydrocarbon reacts with Oxygen to produce Carbon Dioxide and water
- These are also known as Synthesis reactions
Down
- Single elements are swapped
- Study of calculations in chemical equations
- Amount of product that is produced
- Maximum amount of product that could be produced
- Substance used to speed up reactions
- Equation that shows dissolved compounds as free ions
12 Clues: Compounds are swapped • Single elements are swapped • Amount of product that is produced • Substance used to speed up reactions • Study of calculations in chemical equations • These are also known as Synthesis reactions • Written representation of a chemical reaction • Maximum amount of product that could be produced • Equation that shows dissolved compounds as free ions • ...
Biology Vocabulary M6L2 2025-10-03
Across
- The minimum energy required to start a chemical reaction
- A process that changes one set of chemical substances into another
- Protein catalysts that speed up biochemical reactions in living organisms
Down
- The specific region on an enzyme where a substrate binds and the reaction occurs
- A substance that speeds up a chemical reaction without being consumed
- The reactants that bind to an enzyme in a biochemical reaction
- Substances formed as a result of a chemical reaction
- Substances that enter and undergo change during a chemical reaction
8 Clues: Substances formed as a result of a chemical reaction • The minimum energy required to start a chemical reaction • The reactants that bind to an enzyme in a biochemical reaction • A process that changes one set of chemical substances into another • Substances that enter and undergo change during a chemical reaction • ...
Acid and base/Rigo Herrera 2019-04-01
17 Clues: ratio • mixable • mixture • ion H30 • A measure • foundation • solution Ph7 • Hydrogen atom • chemical compound • another substance • chemical reaction • base basic solution • base electrons and acids • concentration of substance • reducing the concentration • tiny particles of one liquid • ion negativity charged molecule
Chemistry vocabulary 2021-01-26
Across
- The ability to be drawn out into thin wires
- Property - A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
- - Chemical reaction in which thermal energy is absorbed.
- - Measure of acidity or basicity of a substance.
- - The readiness of a substance to produce hydroxide ions.
- Reaction - Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
- The amount of space an object occupies.
- Change - Process where one or more substances are altered into new and different substances.
- - Chemical reaction in which thermal energy is released.
- The amount of matter in a defined volume. (density = mass/volume)
- The characteristic of being able to attract because of an electrical force
- - Property of a substance relating to how easily it reacts with other substances.
- The ability to be hammered or pressed down
Down
- - The readiness of a substance to produce hydrogen ions.
- Point - Temperature at which a liquid substance becomes a gas.
- - The external features of a substance.
- - A chemical substance that produces hydroxide ions in solution and tastes bitter.
- The ability to rust do to oxygen
- Point - Temperature at which a solid substance becomes a liquid.
- - A solid substance that forms from a chemical reaction that takes place in a liquid solution.
- Change - A type of change in which the form of matter is altered but one substance is not transformed into another.
- Property - A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
- Measure of the amount of matter in an object.
- - Property of a substance defining how easily it ignites and burns.
- - The characteristic smell of a substance.
- - A chemical substance that produces hydrogen ions in solution and tastes sour.
- - Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
- The ability to produce electricity
- The characteristic of a slow moving sticky substance
29 Clues: The ability to rust do to oxygen • The ability to produce electricity • - The external features of a substance. • The amount of space an object occupies. • - The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • Measure of the amount of matter in an object. • ...
Matter Puzzle 2 2019-09-04
Across
- the transfer or exchange of thermal energy caused by a temperature difference
- energy energy associated with the flow of electric charge
- scale of temperature setting 0 at the freezing point of a concentrated salt water solution and 96 at the normal body temperature.
- describes a process that releases heat energy
- tending to vaporize easily
- the capacity to do work
- describes a process that absorbs heat energy
- the result of a force acting on a distance
- a way to separate mixtures in which the mixture is heated to boil off the more volatile component
- a way to separate a mixture in which one layer is carefully poured off of another layer
Down
- a change in which matter does not change its composition, even though its appearance might change
- a law stating that energy can be neither created nor destroyed
- the energy of a body that is associated with its position or the arrangement of it parts
- an initial substance in a chemical reaction, represented on the left side of a chemical equation
- a type of kinetic energy associated with the temperature-dependent random movement of atoms and molecules
- a measure of its thermal energy
- an energy unit equivalent to 1000 little-c calories
- reaction the process by which one or more substances transform into different substances via a chemical change
- energy associated with the motion of an object
- a method of separating a mixture composed of a solid and a liquid in which the mixture is poured through filter paper held in a funnel to capture the solid component.
- a unit of energy equal to 3.6 million joules
- a final substance produced in a chemical reaction; represented on the right side of a chemical equation
22 Clues: the capacity to do work • tending to vaporize easily • a measure of its thermal energy • the result of a force acting on a distance • describes a process that absorbs heat energy • a unit of energy equal to 3.6 million joules • describes a process that releases heat energy • energy associated with the motion of an object • ...
Types of Chemical Reactions 2024-05-19
Across
- - Numbers indicating the quantity of reactants/products.
- bond - Attraction holding atoms together.
- - Two or more substances form one product.
- - One element replaces another.
- - Gain of electrons.
- - Substances that undergo change.
- - Equal atoms on both sides of an equation.
- equation - Representation of a chemical reaction.
Down
- - Reaction absorbing heat.
- - Loss of electrons.
- - Small numbers indicating the number of atoms.
- displacement - Exchange of ions between two compounds.
- - Group of atoms bonded together.
- - Single compound breaks down.
- - Substances formed in a reaction.
- of Conservation of Mass - Mass is neither created nor destroyed.
- - Dissolved in water.
- - Insoluble solid formed in a solution.
- - Reaction releasing heat.
- - Substance speeding up a reaction.
20 Clues: - Loss of electrons. • - Gain of electrons. • - Dissolved in water. • - Reaction absorbing heat. • - Reaction releasing heat. • - Single compound breaks down. • - One element replaces another. • - Group of atoms bonded together. • - Substances that undergo change. • - Substances formed in a reaction. • - Substance speeding up a reaction. • - Insoluble solid formed in a solution. • ...
Chemical reactions 2025-02-02
Across
- A bond that includes only metals.
- A __________ reaction also always produces CO2 and H2O.
- The more an object moves, the more ________ ________ it has.
- The number of protons in a nucleus
- is a reaction in which a compound breaks down into two or more simpler substances
- An alkali metal is a metal in Group I of the periodic table.
- what type of bond is NaBr - Sodium Bromide?
- occurs when a part of two ionic compounds is exchanged and makes two new components
- most basic unit of matter
- A + B → AB.
Down
- atom's outermost electrons.
- negatively charged subatomic particle
- a chemical bond formed when two atoms share two electrons
- reaction in which one element is substituted for another element in a compound.
- a row (left to right) of the periodic table.
- result of a chemical reaction.
- Nitric acid reacts with sodium carbonate to form sodium nitrate, ca,rbon dioxide and water.
- substance that gets dissolved in a solvent.
18 Clues: A + B → AB. • most basic unit of matter • atom's outermost electrons. • result of a chemical reaction. • A bond that includes only metals. • The number of protons in a nucleus • negatively charged subatomic particle • substance that gets dissolved in a solvent. • what type of bond is NaBr - Sodium Bromide? • a row (left to right) of the periodic table. • ...
Balancing Chemical Equations Station Lab Crossword 2022-10-05
Across
- Something that takes up space.
- Shows that something was created or destroyed.
- Means that a reaction is taking place in an equation.
- Matter cannot be created or ________.
- Before chemical reaction.
- Need to be equal on both sides of the equation.
Down
- Shows nothing was created or destroyed.
- Law of __________ of mass
- After chemical reaction.
- event that changes matter
10 Clues: After chemical reaction. • Law of __________ of mass • event that changes matter • Before chemical reaction. • Something that takes up space. • Matter cannot be created or ________. • Shows nothing was created or destroyed. • Shows that something was created or destroyed. • Need to be equal on both sides of the equation. • ...
Biochemistry Crossword 2016-09-12
Across
- The primary sugar in the blood as well as a large energy source for the body's cells
- Compound consisting of two or more amino acids, linked in a chain
- Bonds together with other molecules to form a polymer
- Carbohydrate that can be decomposed into two or more molecules
- Two sugar groups chemically bonded together
- Made up of small molecules to form a bigger molecule, a chemical compound arranged in a basic repeating structure
- Acid Composed of a chain of carbon atoms bonded with hydrogen atoms
- Also known as "The Sugars"
- a disaccharide that is present in milk
- A polysaccharide that mostly occurs in plant tissue
- Also known as table sugar
- Group The factor that makes amino acids different from each other
- A chemical reaction consisting of loss of a water molecule
- Cholesterol is the most abundant and important ______ in the body
Down
- The chemical formula of this is C3H8O3
- Acid Small organic molecules that have a hydrogen atom, a carboxyl group and an "R' group
- Contains a phosphate group in its middle, a lipid
- A sugar that isn't decomposable into a simpler sugar
- A polysaccharide that contains chains of glucose monomers
- A substance that increases the chance of a chemical reaction, however, it doesn't show any permanent change
- A type of protein, all end in "ase"
- Naturally occurring, derived from natural materials
- Water is used to break down a compound, chemical reaction
- Doesn't dissolve
- The process of changing a proteins molecular structure
- The most abundant steroid in the body
- fats A fat that is solid at room temperature
- Commonly written as C(=O)OH
- fat A fat that is liquid at room temperature
- It's chemical formula is C6H12O6
30 Clues: Doesn't dissolve • Also known as table sugar • Also known as "The Sugars" • Commonly written as C(=O)OH • It's chemical formula is C6H12O6 • A type of protein, all end in "ase" • The most abundant steroid in the body • The chemical formula of this is C3H8O3 • a disaccharide that is present in milk • Two sugar groups chemically bonded together • ...
Option B Biochem 2023-10-11
Across
- Cycle A series of chemical reactions in cellular respiration that generates ATP through the oxidation of acetyl-CoA.
- A change in the genetic material of an organism.
- A molecule involved in protein synthesis and various cellular processes.
- The basic building block of nucleic acids, consisting of a sugar, phosphate group, and a nitrogenous base
- A coenzyme that carries electrons in specific biochemical reactions.
- The sum of all chemical reactions that occur within an organism.
- The process of creating an identical copy of DNA.
- A coenzyme that carries electrons in various biochemical reactions.
- The process of slowing down or blocking a chemical reaction.
- The molecule that encodes genetic information in all living organisms.
- The breakdown of stored fat into fatty acids and glycerol.The molecule that encodes genetic information in all living organisms.
- A cellular structure involved in protein synthesis.
Down
- The final stage of cellular respiration, where ATP is produced through electron transport and chemiosmotic coupling.
- The synthesis of glucose from non-carbohydrate sources.
- A biological molecule, often a protein, that acts as a catalyst to accelerate chemical reactions in living organisms.
- The specific molecule upon which an enzyme acts, forming an enzyme-substrate complex during a chemical reaction.
- The process of synthesizing a protein from an mRNA template.
- An organic cofactor, usually derived from vitamins, that enhances the activity of specific enzymes.
- A substance that increases the rate of a chemical reaction without being consumed in the process.
- A non-protein molecule or ion that aids the function of an enzyme.
- The process of copying genetic information from DNA into RNA.
- A molecule that stores and transfers energy within cells.
- The initial step in glucose metabolism, breaking glucose into two pyruvate molecules.
23 Clues: A change in the genetic material of an organism. • The process of creating an identical copy of DNA. • A cellular structure involved in protein synthesis. • The synthesis of glucose from non-carbohydrate sources. • A molecule that stores and transfers energy within cells. • The process of synthesizing a protein from an mRNA template. • ...
Option B Biochem 2023-10-11
Across
- Cycle A series of chemical reactions in cellular respiration that generates ATP through the oxidation of acetyl-CoA.
- A change in the genetic material of an organism.
- A molecule involved in protein synthesis and various cellular processes.
- The basic building block of nucleic acids, consisting of a sugar, phosphate group, and a nitrogenous base
- A coenzyme that carries electrons in specific biochemical reactions.
- The sum of all chemical reactions that occur within an organism.
- The process of creating an identical copy of DNA.
- A coenzyme that carries electrons in various biochemical reactions.
- The process of slowing down or blocking a chemical reaction.
- The molecule that encodes genetic information in all living organisms.
- The breakdown of stored fat into fatty acids and glycerol.The molecule that encodes genetic information in all living organisms.
- A cellular structure involved in protein synthesis.
Down
- The final stage of cellular respiration, where ATP is produced through electron transport and chemiosmotic coupling.
- The synthesis of glucose from non-carbohydrate sources.
- A biological molecule, often a protein, that acts as a catalyst to accelerate chemical reactions in living organisms.
- The specific molecule upon which an enzyme acts, forming an enzyme-substrate complex during a chemical reaction.
- The process of synthesizing a protein from an mRNA template.
- An organic cofactor, usually derived from vitamins, that enhances the activity of specific enzymes.
- A substance that increases the rate of a chemical reaction without being consumed in the process.
- A non-protein molecule or ion that aids the function of an enzyme.
- The process of copying genetic information from DNA into RNA.
- A molecule that stores and transfers energy within cells.
- The initial step in glucose metabolism, breaking glucose into two pyruvate molecules.
23 Clues: A change in the genetic material of an organism. • The process of creating an identical copy of DNA. • A cellular structure involved in protein synthesis. • The synthesis of glucose from non-carbohydrate sources. • A molecule that stores and transfers energy within cells. • The process of synthesizing a protein from an mRNA template. • ...
Chemistry project by Gregorius,Steven,Diego 2025-04-14
Across
- change a change in which a new chemical substance forms
- atoms of the same element that have a different numbers of neutrons
- reaction a process in which chemical change takes place
- Oxides and hydroxides of metals
- the physical change from solid to liquid
- a unit of two or more atoms held together by covalent bonds
- another name for a positive ion
- a very tiny piece of matter making up everything
- soluble bases
- they can be drawn out into wires
- a chemical that shows by its colour whether a substance is acidic or alkaline
- a mixture obtained when a solute is dissolved in a solvent
- a starting chemical for a reaction
- a substance that allows heat or electricity to pass through it easily
- a poor conductor of heat or electricity
- does not react easily
Down
- substance containing only one type of atom; it can't be broken
- can be bent and pressed into shape
- a substance in which two or more elements are chemically combined
- a solution with a low amount of solute dissolved in a solvent
- non metal compounds in water
- a solution with a high amount of solute dissolved in a solvent
- a reaction with acid that gives water as well as a salt
- : a charged atom or group of atoms formed by the gain or loss of one or more electrons
- the smallest particles that we can't break down any further
- a mixture where at least one other substance is added to a metal to improve its property
- a chemical made in a chemical reaction
- reacts with substances it comes into contact with
- the process in which particles mix by colliding with eachother and bouncing off in all directions
- another name for a negative ion
30 Clues: soluble bases • does not react easily • non metal compounds in water • Oxides and hydroxides of metals • another name for a positive ion • another name for a negative ion • they can be drawn out into wires • can be bent and pressed into shape • a starting chemical for a reaction • a chemical made in a chemical reaction • a poor conductor of heat or electricity • ...
Thermochemistry Vocabulary 2023-05-25
Across
- total heat content of a system
- energy stored in an object
- degree of hotness or coldness
- amount of heat needed to raise temp. by 1 degree.
- tool used to measure heat in a chemical reaction
- reaction accompanied by release of cold
- energy stored in the chemical bonds of substance
Down
- energy is neither created nor destroyed
- reaction accompanied by release of heat
- Sl unit of energy
- energy transferred because of temperature differences
- the study of heat energy
- property that is transferred between bodies
- the energy of movement
- energy unit equal to energy required to raise 1g h2o by one degree.
15 Clues: Sl unit of energy • the energy of movement • the study of heat energy • energy stored in an object • degree of hotness or coldness • total heat content of a system • energy is neither created nor destroyed • reaction accompanied by release of heat • reaction accompanied by release of cold • property that is transferred between bodies • ...
Ionic Bonding 5 2025-08-16
Across
- A reaction involving both oxidation and reduction
- Substance present at the start of a reaction
- Capacity to do work or cause change
- Substance formed in a chemical reaction
- Horizontal row in the periodic table
Down
- Loss of electrons
- Group 17 elements that form -1 ions
- Gain of electrons
- Process of chemical change
- Vertical column in the periodic table
10 Clues: Loss of electrons • Gain of electrons • Process of chemical change • Group 17 elements that form -1 ions • Capacity to do work or cause change • Horizontal row in the periodic table • Vertical column in the periodic table • Substance formed in a chemical reaction • Substance present at the start of a reaction • A reaction involving both oxidation and reduction
Burkholder Chapter 13 Peytlynn Aliemenious 2017-10-11
Across
- a reaction that releases energy
- a reaction that absorbs energy
- no atoms are gained or lost during any reaction
- a substance that undergoes a chemical change
Down
- is a substance that lowers the activation energy of a chemical reaction
- A+B-AB
- AB-A+B
- a substance that is the result of the chemical change
- the minimum energy required to overcome the initial breaking of bonds in reactants
- is the amount of energy required to pull two bonded atoms apart
10 Clues: A+B-AB • AB-A+B • a reaction that absorbs energy • a reaction that releases energy • a substance that undergoes a chemical change • no atoms are gained or lost during any reaction • a substance that is the result of the chemical change • is a substance that lowers the activation energy of a chemical reaction • ...
Enzymes and Homeostasis 2021-09-30
Across
- Proteins that act as biological catalys.
- Energy needed to get a reaction started.
- The reactants of enzyme-catalyzed reactions.
- Elements that enter into a chemical reaction.
Down
- Is a substance that speeds up the rate of a chemical reaction.
- Process by which organisms maintain a relatively stable internal environment.
- Body temperature is controlled from within.
- Process that changes, or transforms, one set of chemicals into another.
- Body temperature is mainly determined by the temperature of its environment.
- Elements or compounds produced by a chemical reaction.
10 Clues: Proteins that act as biological catalys. • Energy needed to get a reaction started. • Body temperature is controlled from within. • The reactants of enzyme-catalyzed reactions. • Elements that enter into a chemical reaction. • Elements or compounds produced by a chemical reaction. • Is a substance that speeds up the rate of a chemical reaction. • ...
Chemistry 2023-04-04
Across
- When the reactants and products DO NOT equal each other
- Anything that has mass and takes up space
- The substances left after the chemical reaction
- The law stating that matter cannot created or destroyed
Down
- When the reactants and products equal each other
- Define R.A.P.
- The big numbers in front of the symbols in a chemical reaction
- The substances that create the reaction
- The change that affects the equations
- The little numbers below the symbols in a chemical reaction
10 Clues: Define R.A.P. • The change that affects the equations • The substances that create the reaction • Anything that has mass and takes up space • The substances left after the chemical reaction • When the reactants and products equal each other • When the reactants and products DO NOT equal each other • The law stating that matter cannot created or destroyed • ...
Chapter 13 Crossword-Brooke Sintobin 2020-10-15
Across
- a reaction that releases energy.
- a substance that lowers the activation energy of a chemical reaction.
- an acid that completely ionizes in water.
- a reaction that absorbs energy.
Down
- when reaction and its reverse act at the same time.
- an acid that does not completely ionize in water.
- a measure of concentration of hydrogen ions.
- how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
- a chemical that accepts a hydrogen ion.
- a chemical that donates a hydrogen ion.
10 Clues: a reaction that absorbs energy. • a reaction that releases energy. • a chemical that accepts a hydrogen ion. • a chemical that donates a hydrogen ion. • an acid that completely ionizes in water. • a measure of concentration of hydrogen ions. • an acid that does not completely ionize in water. • when reaction and its reverse act at the same time. • ...
English work 2020-04-18
Across
- is made after a reaction
- fighting for 1 day
- usually purses are in this shape
- happens after an action
- colon inserted in sentences
- products used to make a reaction happen
- cannot wait
- stopping
- is very important in english
- a natural disaster
- a metal thing inserted under a wooden stick
Down
- a lot pictures inserted
- a complicated drawing technique
- vertical line inserted in shapes
- tea party an event against Britain
- equation words that make up a equation
- reaction a term in science which is almost like cooking
- numbers
- fighting for a longtime
- a group of shapes in math
- we have to use a lot of mathematical operation
21 Clues: numbers • stopping • cannot wait • fighting for 1 day • a natural disaster • a lot pictures inserted • happens after an action • fighting for a longtime • is made after a reaction • a group of shapes in math • is very important in english • colon inserted in sentences • a complicated drawing technique • usually purses are in this shape • vertical line inserted in shapes • ...
Chemistry Unit Test Review 2014-03-09
Across
- When bases are put in water, they release _____________ ions.
- When put into water, acids release _________ ions.
- In a chemical reaction the atoms will be
- A phase change is a type of
- A solution that has a pH above 7 is a ______
- When hydronium, H3O+ and hydroxide, OH- react what is produced is ______________
- When energy is released, bonds are _____________
- Chemical energy is energy that is present in _____________
Down
- This type of paper indicator give the specific pH
- Energy is transferred from the surroundings to the reactants in an _____________ reaction
- Energy is released to _________ bonds
- In an exothermic reaction, energy is transferred from the reactants and is __________ into the surroundings.
- The reactants are different from the products in a ________change
- Energy was absorbed to ________ bonds
- When acids and bases neutralize they produce a _________
15 Clues: A phase change is a type of • Energy is released to _________ bonds • Energy was absorbed to ________ bonds • In a chemical reaction the atoms will be • A solution that has a pH above 7 is a ______ • When energy is released, bonds are _____________ • This type of paper indicator give the specific pH • When put into water, acids release _________ ions. • ...
Masons Crossword Puzzle 2024-05-15
Across
- the study of the make-up of all things and how they behave
- the amount of space occupied by any three-dimensional solid
- anything with molecules that takes up space and can be weighed
- the basic unit of a chemical element
- a physical combination of two or more substances that aren't chemically joined
- substance made up of different elements joined together by a chemical bond.
- the ability to do work
Down
- sticking together
- The chemical substances which are formed due to a chemical reaction between two or more chemical substances
- the degree of hotness or coldness of an object
- an action taken in response to something.
- a basic part of a whole
- the quantity of matter within a given object.
- The smallest particle of a substance that has all of the physical and chemical properties of that substance.
- an attraction between atoms
- the form of energy that is transferred between two substances at different temperatures
16 Clues: sticking together • the ability to do work • a basic part of a whole • an attraction between atoms • the basic unit of a chemical element • an action taken in response to something. • the quantity of matter within a given object. • the degree of hotness or coldness of an object • the study of the make-up of all things and how they behave • ...
Thermochemistry Vocabulary 2023-05-25
Across
- total heat content of a system
- energy stored in an object
- degree of hotness or coldness
- amount of heat needed to raise temp. by 1 degree.
- tool used to measure heat in a chemical reaction
- reaction accompanied by release of cold
- energy stored in the chemical bonds of substance
Down
- energy is neither created nor destroyed
- reaction accompanied by release of heat
- Sl unit of energy
- energy transferred because of temperature differences
- the study of heat energy
- property that is transferred between bodies
- the energy of movement
- energy unit equal to energy required to raise 1g h2o by one degree.
15 Clues: Sl unit of energy • the energy of movement • the study of heat energy • energy stored in an object • degree of hotness or coldness • total heat content of a system • energy is neither created nor destroyed • reaction accompanied by release of heat • reaction accompanied by release of cold • property that is transferred between bodies • ...
Thermochemistry Vocabulary 2023-05-25
Across
- total heat content of a system
- energy stored in an object
- degree of hotness or coldness
- amount of heat needed to raise temp. by 1 degree.
- tool used to measure heat in a chemical reaction
- reaction accompanied by release of cold
- energy stored in the chemical bonds of substance
Down
- energy is neither created nor destroyed
- reaction accompanied by release of heat
- Sl unit of energy
- energy transferred because of temperature differences
- the study of heat energy
- property that is transferred between bodies
- the energy of movement
- energy unit equal to energy required to raise 1g h2o by one degree.
15 Clues: Sl unit of energy • the energy of movement • the study of heat energy • energy stored in an object • degree of hotness or coldness • total heat content of a system • energy is neither created nor destroyed • reaction accompanied by release of heat • reaction accompanied by release of cold • property that is transferred between bodies • ...
Thermochemistry Vocabulary 2023-05-25
Across
- total heat content of a system
- energy stored in an object
- degree of hotness or coldness
- amount of heat needed to raise temp. by 1 degree.
- tool used to measure heat in a chemical reaction
- reaction accompanied by release of cold
- energy stored in the chemical bonds of substance
Down
- energy is neither created nor destroyed
- reaction accompanied by release of heat
- Sl unit of energy
- energy transferred because of temperature differences
- the study of heat energy
- property that is transferred between bodies
- the energy of movement
- energy unit equal to energy required to raise 1g h2o by one degree.
15 Clues: Sl unit of energy • the energy of movement • the study of heat energy • energy stored in an object • degree of hotness or coldness • total heat content of a system • energy is neither created nor destroyed • reaction accompanied by release of heat • reaction accompanied by release of cold • property that is transferred between bodies • ...
Acids + Bases 2021-05-30
Across
- A basic chemical product that is used to remove color from a fabric or fiber, to clean or to remove stains
- A neutralisation reaction is achieved when a strong acid and strong base has a pH ______ to 7
- A reaction that creates salt and water as a byproduct
- A ________ tells us how basic or acidic a solution is
- A type of indicator that turn red when a solution has a pH of 1
- A compound that changes color in solution over a range of pH values
- A basic substance tastes ___________
Down
- A chemical with a chemical formula of HCl
- A substance with a pH level of 7 is _____________
- Vinegar is used to cure wasp stings that are alkaline in nature. This is an example of a __________________ reaction
- A substance that conducts electricity when dissolved in water
- When a solution has an equal number of hydrogen and hydroxyl ions it is _________
- A substance with a pH level of 3 is __________
- The liquid that is created as a result of a neutralisation reaction
- A scientific instrument that measures the hydrogen-ion activity in water-based solutions
- An acid tastes _______
- A substance with a pH level of 9 is ______
- The solid that is created as a result of a neutralisation reaction
- A substance that may feel soapy (hint: it isn't soap)
19 Clues: An acid tastes _______ • A basic substance tastes ___________ • A chemical with a chemical formula of HCl • A substance with a pH level of 9 is ______ • A substance with a pH level of 3 is __________ • A substance with a pH level of 7 is _____________ • A reaction that creates salt and water as a byproduct • A ________ tells us how basic or acidic a solution is • ...
Unit crossword puzzle 2021-04-13
Across
- is the law of mass
- are on the outer levels of a atom
- start before a chemical reaction
- result from a chemical reaction
Down
- end after chemical reaction
- is the positive part of the nucleus
- are the negative part of the nucleus
- does not create new substances
- is the horizontal rows in a periodic table
- are the vertical columns in a periodic table
10 Clues: is the law of mass • end after chemical reaction • does not create new substances • result from a chemical reaction • start before a chemical reaction • are on the outer levels of a atom • is the positive part of the nucleus • are the negative part of the nucleus • is the horizontal rows in a periodic table • are the vertical columns in a periodic table
science homework 2 2023-04-24
Across
- energy of movement
- chemical reaction that occurs in the chlorophyll of a plant
- a chemical reaction that release energy
- carries water and minerals through the plant
- the green substance where photosynthesis takes place
Down
- contains plant cell sap
- loops of DNA in a bacteria cell
- contains DNA and controls the cell
- cannot be created or destroyed only stored and transferred
- a chemical reaction that absorbs energy
10 Clues: energy of movement • contains plant cell sap • loops of DNA in a bacteria cell • contains DNA and controls the cell • a chemical reaction that release energy • a chemical reaction that absorbs energy • carries water and minerals through the plant • the green substance where photosynthesis takes place • cannot be created or destroyed only stored and transferred • ...
Fuels Review 2024-10-21
Across
- how thick or runny a liquid is
- raw material, used to make a substance
- a formula that represents the composition of any member of that homologous series
- when a substance reacts only partially with oxygen
- a chemical reaction where large alkane molecules are converted into smaller alkenes and alkenes
- a substance that speeds up a chemical reaction without being used up
- a family of compounds with similar chemical properties and a gradual trend in physical properties
- compound containing hydrogen and carbon only
- a compound that only contains single bonds between the atoms
- a combustion reaction that takes place with plenty of oxygen
Down
- rainwater more acidic than usual
- a method of separating liquids due to different boiling points
- unwanted substance found mixed into a useful substance
- to start burning
- hydrocarbon where there are on or more carbon-carbon double bonds
- when a gas turns to liquid
- when a liquid turns to gas
17 Clues: to start burning • when a gas turns to liquid • when a liquid turns to gas • how thick or runny a liquid is • rainwater more acidic than usual • raw material, used to make a substance • compound containing hydrogen and carbon only • when a substance reacts only partially with oxygen • unwanted substance found mixed into a useful substance • ...
TEAS Science Practice Problem Answers 2 2017-03-22
Across
- Positively charged atom
- A chemical reaction that requires energy to occur
- Requiring narrow environmental conditions
- Always contain one allele of each type
- Storage form of carbohydrates in animals
- Proteins composed of monomers called amino acids
Down
- A chemical reaction that releases energy as a product
- A phase change from gas to solid that requires the subtraction of heat
- Represents the sum total of all the chromosomal information in the cell
- The reactant in a chemical reaction
- Negatively charged atom
11 Clues: Positively charged atom • Negatively charged atom • The reactant in a chemical reaction • Always contain one allele of each type • Storage form of carbohydrates in animals • Requiring narrow environmental conditions • Proteins composed of monomers called amino acids • A chemical reaction that requires energy to occur • A chemical reaction that releases energy as a product • ...
THSB review 2024-05-15
Across
- What do proteins break down into? amino acids
- polymer of glucose, used in plant body structures
- A substance produced in a chemical reaction
- to produce
- What process in the body breaks down proteins?
- What substances makes up the majority of animals and humans?
- acids Monomer molecules that combine to form different proteins
- What substance makes up the majority of plants?
- the process plants use to convert CO2 and H2O into glucose and O2
- What substance often forms when monomers react to form polymers?
- a group of compounds consisting of carbon, hydrogen, and oxygen, atoms. Make up plant body structures.
- Polymers composed of one or more long chains of amino acids, they are essential for all living things
Down
- mass cannot be created or destroyed
- a polymer of glucose monomers used in plant roots and fruit structures
- What makes up polymers?
- A chemical substance that is present at the start of a chemical reaction
- reaction in plants between 6 water and 6 carbon dioxide molecules into 1 glucose and 6 oxygen molecules
- Produced during photosynthesis. Monomer of carbohydrates starch and cellulose.
18 Clues: to produce • What makes up polymers? • mass cannot be created or destroyed • A substance produced in a chemical reaction • What do proteins break down into? amino acids • What process in the body breaks down proteins? • What substance makes up the majority of plants? • polymer of glucose, used in plant body structures • ...
CH-1 2021-08-23
Across
- IN THE FORMATION OF CO2, ____ IS WRITTEN IN RHS OF THE EQUATION.
- SUBSTANCES FORMED AFTER REACTION WERITTEN ______ OF THE EQUATION.
- REACTION OF ZINC GRANULES AND DILUTE HYDROCHLORIC ACID GIVES _________.
- THE CHEMICAL EQUATION MUST BE _______ .
- THE ARROWHEAD IN A REACTION SHOWS DIRECTION OF ______.
Down
- THE CHEMICAL REACTION OF CITRIC ACID AND POTASSIUM PERMANGANATE IS CHARACTERIZED BY CHANGE IN ______ .
- THE PRECIPITATE FORMED BY THE REACTION OF IRONCHLORIDE AND SODIUM HYDROXIDE IS ______ .
- H2 + o2 ---> _____ .
- SUBSTANCES PRESENT BEFORE A REACTION
- THE COEFFICIENT OF OXYGEN IN THE REACTION OF IRON AND WATER IS _______ .
10 Clues: H2 + o2 ---> _____ . • SUBSTANCES PRESENT BEFORE A REACTION • THE CHEMICAL EQUATION MUST BE _______ . • THE ARROWHEAD IN A REACTION SHOWS DIRECTION OF ______. • IN THE FORMATION OF CO2, ____ IS WRITTEN IN RHS OF THE EQUATION. • SUBSTANCES FORMED AFTER REACTION WERITTEN ______ OF THE EQUATION. • REACTION OF ZINC GRANULES AND DILUTE HYDROCHLORIC ACID GIVES _________. • ...
Types of Chemical Reactions 2021-12-12
Across
- reaction- Have two ionic compounds that are exchanging anions or cations.
- reaction- A reaction in which one element is substituted for another element in a compound.
- reaction- A reaction in which a compound breaks down into two or more simpler substances.
Down
- The substance(s) to the left of the arrow in a chemical equation.
- equation- A symbolic representation of chemical reaction in the form of symbols and formulae where in the reactant entities are given on the left-hand side and the product entities on right hand side.
- series- A list of elements in decreasing order of their reactivity.
- reaction- A reaction in which two reactants combine to form one product.
- reaction- A reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
- A substance that is formed as the result of a chemical reaction.
9 Clues: A substance that is formed as the result of a chemical reaction. • The substance(s) to the left of the arrow in a chemical equation. • series- A list of elements in decreasing order of their reactivity. • reaction- A reaction in which two reactants combine to form one product. • reaction- Have two ionic compounds that are exchanging anions or cations. • ...
Chemistry Vocab 2012-12-02
Across
- a negative ion
- a charged particle
- the chemical bond that results from sharing valence electrons
- a solid produced during a chemical reaction
- the number written in front of a reaction or product
- a positively charged ion
- the force that holds two atoms together
- a chemical reaction in which 2 or more substances react to produce one product
- particle formed when 2 or more atom are covalently bonded
Down
- charge of an ion
- an ionic compound whose aqueous solution conducts an electric current
11 Clues: a negative ion • charge of an ion • a charged particle • a positively charged ion • the force that holds two atoms together • a solid produced during a chemical reaction • the number written in front of a reaction or product • particle formed when 2 or more atom are covalently bonded • the chemical bond that results from sharing valence electrons • ...
Chemistry 2025-03-11
Across
- Type of bond that formed when charged atoms combine
- When substances change into another form they undergo a chemical
- Substances that come out of a chemical reaction
- Every stoichiometry problem must start with a ____ equation
- A count of particles
- Basic building block of matter
Down
- Expected ionic charge of a fluorine ion, ______ one
- An atom that has gained or lost and electron
- Substances that go into a chemical reaction
- Number of valance electrons in a chlorine atom
- Only one type of atom
11 Clues: A count of particles • Only one type of atom • Basic building block of matter • Substances that go into a chemical reaction • An atom that has gained or lost and electron • Number of valance electrons in a chlorine atom • Substances that come out of a chemical reaction • Type of bond that formed when charged atoms combine • ...
ch-1 2021-08-23
Across
- REACTION OF ZINC GRANULES AND DILUTE HYDROCHLORIC ACID GIVES _________.
- SUBSTANCES FORMED AFTER REACTION WERITTEN ______ OF THE EQUATION.
- THE ARROWHEAD IN A REACTION SHOWS DIRECTION OF ______.
- H2 + o2 ---> _____ .
- SUBSTANCES PRESENT BEFORE A REACTION
- THE PRECIPITATE FORMED BY THE REACTION OF IRONCHLORIDE AND SODIUM HYDROXIDE IS ______ .
Down
- THE CHEMICAL EQUATION MUST BE _______ .
- THE COEFFICIENT OF OXYGEN IN THE REACTION OF IRON AND WATER IS _______ .
- THE CHEMICAL REACTION OF CITRIC ACID AND POTASSIUM PERMANGANATE IS CHARACTERIZED BY CHANGE IN ______ .
- IN THE FORMATION OF CO2, ____ IS WRITTEN IN RHS OF THE EQUATION.
10 Clues: H2 + o2 ---> _____ . • SUBSTANCES PRESENT BEFORE A REACTION • THE CHEMICAL EQUATION MUST BE _______ . • THE ARROWHEAD IN A REACTION SHOWS DIRECTION OF ______. • IN THE FORMATION OF CO2, ____ IS WRITTEN IN RHS OF THE EQUATION. • SUBSTANCES FORMED AFTER REACTION WERITTEN ______ OF THE EQUATION. • REACTION OF ZINC GRANULES AND DILUTE HYDROCHLORIC ACID GIVES _________. • ...
Types of Reactions 2024-05-13
Across
- Absorbs heat energy from its surroundings
- Releases heat energy to its surroundings
- When an reacts with a base to form water and salt
- When soluble reactants form an insoluble product
- a chemical reaction triggered by temperature changes
- A chemical reaction initiated by light energy
- Fuel reacts with oxygen,releasing energy and forming carbon dioxide and water
Down
- When a more reactive element displaces the weaker one
- Chemical Breakdown
- The formation of a complex compound by binding a metal ion with a ligand
- When two or more substances combine together
- Decompostion of a compound using electricity
- Involves a substances(catalyst)that speeds up the reaction without being consumed itself
- A single substance undergoing simultaneous oxidation and reduction
- One reactant undergoes oxidation by losing electrons while another reactant undergoes reduction by gaining those electrons
15 Clues: Chemical Breakdown • Releases heat energy to its surroundings • Absorbs heat energy from its surroundings • When two or more substances combine together • Decompostion of a compound using electricity • A chemical reaction initiated by light energy • When soluble reactants form an insoluble product • When an reacts with a base to form water and salt • ...
Types of Reactions 2024-05-12
Across
- When two or more substances combine together.
- A single substance undergoing simultaneous oxidation and reduction.
- When an acid reacts with a base to form water and a salt.
- The formation of a complex compound by binding a metal ion with a ligand.
- Chemical Breakdown
- Decomposition of a compound using electricity.
- A chemical reaction initiated by light energy.
- One reactant undergoes oxidation by losing electrons, while another reactant undergoes reduction by gaining those electrons.
Down
- When a more reactive element displaces the weaker one.
- When soluble reactants form an insoluble product (precipitate).
- Absorbs heat energy from its surroundings.
- Fuel reacts with oxygen, releasing energy and forming carbon dioxide and water.
- A chemical reaction triggered by temperature changes.
- Releases heat energy to its surroundings.
- Involves a substance (catalyst) that speeds up the reaction without being consumed itself.
15 Clues: Chemical Breakdown • Releases heat energy to its surroundings. • Absorbs heat energy from its surroundings. • When two or more substances combine together. • Decomposition of a compound using electricity. • A chemical reaction initiated by light energy. • A chemical reaction triggered by temperature changes. • When a more reactive element displaces the weaker one. • ...
Endothermic and exothermic reaction 2025-06-03
Across
- Energy is ............... in endothermic reactions.
- A reaction that feels hot.
- An example of an exothermic reaction.
- Energy is ............. in exothermic reaction.
Down
- More energy is released when bonds form in .......
- More energy is needed to break bonds in ............
- A reaction that feels cold.
- An example of an endothermic reaction.
- reaction A chemical reaction that involves the formation of new bonds.
9 Clues: A reaction that feels hot. • A reaction that feels cold. • An example of an exothermic reaction. • An example of an endothermic reaction. • Energy is ............. in exothermic reaction. • More energy is released when bonds form in ....... • Energy is ............... in endothermic reactions. • More energy is needed to break bonds in ............ • ...
Endothermic and exothermic reaction 2025-06-03
Across
- Energy is ............... in endothermic reactions.
- A reaction that feels hot.
- An example of an exothermic reaction.
- Energy is ............. in exothermic reaction.
Down
- More energy is released when bonds form in .......
- More energy is needed to break bonds in ............
- A reaction that feels cold.
- An example of an endothermic reaction.
- reaction A chemical reaction that involves the formation of new bonds.
9 Clues: A reaction that feels hot. • A reaction that feels cold. • An example of an exothermic reaction. • An example of an endothermic reaction. • Energy is ............. in exothermic reaction. • More energy is released when bonds form in ....... • Energy is ............... in endothermic reactions. • More energy is needed to break bonds in ............ • ...
Science 2023-12-11
Across
- the atomic number is just the amount of ___
- reaction where the item gets warmer
- you can find a ______ in the nucleus
- Cl is an element on the ________
- reaction where the item gets colder
- NaCl + Mg --> MgCl2 + Na is an example of a _____ reaction
- the ______ of water is 1g/ml
- changes but does not create any new substances
- CH4 + O2 → CO2 + H2O
- AgNO3 + NaCl --> AgCl + NaNO3 is an example of a _____ reaction
Down
- MgO is an example of a ______
- CO2 --> C + O2 is an example of a chemical ______
- the ______ of an atom surrounds the nucleus
- Na + Cl2 --> NaCl is an example of a _____ reaction
- He is a ______
- creates a new substance but has the same mass
- Fe is a ______
- CO2 --> C + O2 is an example of a _____ reaction
- NaCl is the ____ of Na + Cl2
- CO2 is an example of a ______
20 Clues: He is a ______ • Fe is a ______ • CH4 + O2 → CO2 + H2O • NaCl is the ____ of Na + Cl2 • the ______ of water is 1g/ml • MgO is an example of a ______ • CO2 is an example of a ______ • Cl is an element on the ________ • reaction where the item gets warmer • reaction where the item gets colder • you can find a ______ in the nucleus • the atomic number is just the amount of ___ • ...
1250 2025-11-16
Across
- Study of light-driven chemical changes
- Unsaturated hydrocarbon with double bonds
- Efficiency of photochemical reaction
- Compound of hydrogen and carbon
- Separation of crude oil by boiling points
- Time for half substance to react or decay
- Proportionality factor in rate law
- Rate independent of concentration
- High-energy configuration during reaction
- Rate proportional to one reactant
- Explains reaction rates by particle collisions
- Graph showing reaction energy progress
- Process of purifying crude oil
- Rearrangement of hydrocarbons for higher octane
Down
- Rate proportional to two reactants
- Mathematical relation of rate and concentration
- Breaking large hydrocarbons into smaller ones
- Unsaturated hydrocarbon with triple bonds
- Exponent in rate equation
- Light-induced acceleration of reaction
- Saturated hydrocarbon with single bonds
- Transient species in reaction mechanism
- Study of chemicals derived from petroleum
- Relates rate constant to temperature
- Energy due to position or configuration
25 Clues: Exponent in rate equation • Process of purifying crude oil • Compound of hydrogen and carbon • Rate independent of concentration • Rate proportional to one reactant • Rate proportional to two reactants • Proportionality factor in rate law • Efficiency of photochemical reaction • Relates rate constant to temperature • Study of light-driven chemical changes • ...
tailor cook - macromolecules 2020-11-18
Across
- pancreatic enzyme that catalyzes the breakdown
- breaks down protiens to peptides
- breaks down protiens into polypeptides
- complex organic substance present in living cells
- region on an enzyme that binds to a protien
- pulpy acidic fluid
- requiring absorption of heat
- protien that speeds up reaction
- large gland behind the stomach
- basic unit of a chemical element
Down
- enzyme found in saliva
- food is crushed by teeth
- simple sugar
- molecule containing a large number of atoms
- canal that connects from your throat to stomach
- fatty acid insoluble in water
- increses rate of a chemical reaction
- changed shape
- potatoes, pasta, apples
- surface on which an organism lives
20 Clues: simple sugar • changed shape • pulpy acidic fluid • enzyme found in saliva • potatoes, pasta, apples • food is crushed by teeth • requiring absorption of heat • fatty acid insoluble in water • large gland behind the stomach • protien that speeds up reaction • breaks down protiens to peptides • basic unit of a chemical element • surface on which an organism lives • ...
Chemistry 2022-02-14
Across
- Third element
- Si
- Process that releases heat energy
- 47 protons
- 8 neutrons
- 6th element
- Gas we breathe in
- Amount of space an object occupies
- Something that occupies space and has mass
- Process that absorbs heat
- Symbol for Gold
- Atomic number
- Amount of matter in a certain space
Down
- Change resulting from formation of new substances
- Change that affects the shape or phase
- Visual representation of Data
- Amount of matter in an object
- H20
- Mn
- 54th element
- Protons
- Substance that results from chemical reaction
- Number of protons in neutral atom
- Smallest unit of matter
- Sodium
- Substant that takes part in chemical reaction
26 Clues: Si • Mn • H20 • Sodium • Protons • 47 protons • 8 neutrons • 6th element • 54th element • Third element • Atomic number • Symbol for Gold • Gas we breathe in • Smallest unit of matter • Process that absorbs heat • Visual representation of Data • Amount of matter in an object • Process that releases heat energy • Number of protons in neutral atom • Amount of space an object occupies • ...
Chapter 3.2 2021-10-06
Across
- uncover or reveal
- very hot bubble water
- depends on mass
- needed to bake pretzels
- a change of color
- things you see at a park
- a chemical property
- a drink
- a physical change that cannot be reversed
- a energy and chemical change
- a chemical change occurring
Down
- a chemical reaction with plants
- only physical properties change
- a French chemist
- a light stick
- a change in size,shape, or form
- cutting this the mass stays the same
- an ice cube
- a balloon insides
- substance is different after the change
20 Clues: a drink • an ice cube • a light stick • depends on mass • a French chemist • uncover or reveal • a change of color • a balloon insides • a chemical property • very hot bubble water • needed to bake pretzels • things you see at a park • a chemical change occurring • a energy and chemical change • a chemical reaction with plants • only physical properties change • a change in size,shape, or form • ...
Crossword Puzzle 2013-11-24
Across
- German chemist who devised a way to make ammonia cheaply
- When ________ changes, the equilibrium constant changes
- Does not affect equilibrium constant but speeds up reaction rate
- Not included in equilibrium constant
- When a chemical concentration in a reaction is decreased, the equilibrium shifts to _______ it
- Reactions tend to go to the side with the lower ________
- When pressure is increased, equilibrium shifts to the side with the least number of _______
Down
- When a chemical concentration in a reaction is increased, the equilibrium shifts to _______ it
- French scientist best known for his Principle
- When the rate of the forward and reverse reaction are equal
- Equilibrium Constant
- Reactions tend to go to the side with the higher ________
- Most random phase
- Quicklime
- Least random phase and not included in equilibrium constant
15 Clues: Quicklime • Most random phase • Equilibrium Constant • Not included in equilibrium constant • French scientist best known for his Principle • When ________ changes, the equilibrium constant changes • German chemist who devised a way to make ammonia cheaply • Reactions tend to go to the side with the lower ________ • ...
Chloe Smith Crossword 2021-12-02
Across
- What type of reaction is this? AB = A + B
- in an ____ reaction there is a net absorption of energy
- A new ______ indicates a chemical change
- bond energy is also known as ____ energy
- Which is more acidic? Lemon juice or water? If the answer is lemon juice write lemon if the answer is water write water.
- What is the pH of water?
Down
- What type of reaction is this? A + B = AB
- A change in _____ indicates a chemical change
- in an ____ reaction there is a net release of energy
- What is a substance that lowers the activation energy of a chemical reaction?
10 Clues: What is the pH of water? • A new ______ indicates a chemical change • bond energy is also known as ____ energy • What type of reaction is this? A + B = AB • What type of reaction is this? AB = A + B • A change in _____ indicates a chemical change • in an ____ reaction there is a net release of energy • in an ____ reaction there is a net absorption of energy • ...
Masons Crossword Puzzle 2024-05-15
Across
- the study of the make-up of all things and how they behave
- the amount of space occupied by any three-dimensional solid
- anything with molecules that takes up space and can be weighed
- the basic unit of a chemical element
- a physical combination of two or more substances that aren't chemically joined
- substance made up of different elements joined together by a chemical bond.
- the ability to do work
Down
- sticking together
- The chemical substances which are formed due to a chemical reaction between two or more chemical substances
- the degree of hotness or coldness of an object
- an action taken in response to something.
- a basic part of a whole
- the quantity of matter within a given object.
- The smallest particle of a substance that has all of the physical and chemical properties of that substance.
- an attraction between atoms
- the form of energy that is transferred between two substances at different temperatures
16 Clues: sticking together • the ability to do work • a basic part of a whole • an attraction between atoms • the basic unit of a chemical element • an action taken in response to something. • the quantity of matter within a given object. • the degree of hotness or coldness of an object • the study of the make-up of all things and how they behave • ...
Part 1: Crossword 2017-03-30
Across
- We balance a chemical equation by using the smallest, whole number ____________.
- In 1 ____ of particles there are 6.022 times 10 to the 23rd power particles.
- The chemical that lost electrons in a chemical reaction was ___________.
- A chemical used up during the reaction.
- A type of chemical reaction in which one of the reactants is molecular oxygen.
Down
- Reaction that absorbs energy from the surroundings.
- Mass of exactly 1 mol of a chemical (2 words)
- A type of chemical reaction in which a single reactant forms two or more products.
8 Clues: A chemical used up during the reaction. • Mass of exactly 1 mol of a chemical (2 words) • Reaction that absorbs energy from the surroundings. • The chemical that lost electrons in a chemical reaction was ___________. • In 1 ____ of particles there are 6.022 times 10 to the 23rd power particles. • ...
Unit 1 - Biomolecules 2022-12-08
Across
- Macromolecules that store and transmit hereditary or genetic information,(DNA/RNA); Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous
- the forces that hold atoms together within a molecule
- Proteins that act as biological catalysts and provide a site where the reactants can be brought together to react. Such a site reduces the energy needed for the reaction.
- Monomer to the polymer nucleic acids, have three parts, a 5-carbon sugar, a phosphate group, and a nitrogenous base.
- the basic unit of matter
- molecules forming ionic or a hydrogen bond with water molecules. “Water loving”
- the chemical processes that occur within a living organism in order to maintain life
- nonpolar molecules that repel water molecules. “Water fearing”
- pockets in the folds on enzyme surfaces where the substrate binds and a chemical reaction occurs
- Adenosine triphosphate, abbreviated as ___, is the source of energy for use and storage at the cellular level.
- dissolving substance in a solution. Ex: water
- type of mixture in which all components are evenly distributed
- a pure substance that consists of one type of atom
- chemical reactions that release energy (often occur on their own, or spontaneously)
- a substance on which an enzyme acts during a chemical reaction to help lower activation energy
- mixture of water and nondissolved material
- During non-competitive inhibition, molecules do not sit in the active site but will attach to an _______.
- a substance that speeds up the rate of the reaction by lowering the activation energy
- A testable explanation or prediction based on the observation and the scientist’s prior knowledge
- The process of breaking large molecules down into smaller molecules, releasing energy
- Molecules sit in the active site of the enzyme and prevent the entry of the substrate.
- A prediction that there is no relationship between two variables.
- attraction of molecules of the same substance
- small units that compose polymers
- attraction between molecules of different substances
- Molecules do not sit in the active site but will attach to an allosteric site and changes the shape of the enzyme therefore changing the shape of the active site.
- attraction between a hydrogen atom and another atom
Down
- Chemical bond formed when one or more electrons are transferred from one atom to another
- tendency of water to rise in a thin tube
- Reasoning based on observation
- the forces that exist between molecules
- A chemical reaction that builds up molecules by losing water molecules
- Reasoning based on analysis
- The energy needed to get a reaction started
- chemical reactions that absorb energy (will NOT occur without an input of energy)
- a substance formed by the chemical combination of two or more elements in definite proportions
- A water molecule is ____ if there is an uneven distribution of electrons between the hydrogen atoms and oxygen atoms. The negative pole is near the oxygen atom and the positive pole is near the hydrogen atoms
- Organic compounds with an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other end.
- The process of splitting a compound into fragments with the addition of water; a kind of reaction that is used to break down polymers into simpler units, e.g. starch into glucose.
- (sugars); Carbon, Hydrogen, and Oxygen
- a material composed of two or more elements or compounds that are physically mixed together but not chemically combined
- large units made up of a chain of monomers
- The process of creating large molecules from smaller molecules, utilizing energy
- Atoms of the same element that differ in the number of neutrons they contain
- Chemical bond formed when the electrons are shared between atoms
- Carbon, Hydrogen, Oxygen, and Nitrogen
- substance that is dissolved in solution. Ex: sugar, salt
- (fats); Carbon, Hydrogen, and Oxygen
48 Clues: the basic unit of matter • Reasoning based on analysis • Reasoning based on observation • small units that compose polymers • (fats); Carbon, Hydrogen, and Oxygen • (sugars); Carbon, Hydrogen, and Oxygen • Carbon, Hydrogen, Oxygen, and Nitrogen • the forces that exist between molecules • tendency of water to rise in a thin tube • mixture of water and nondissolved material • ...
CHEMISTRY COMES ALIVES 2024-09-13
Across
- lipid-based signaling molecules that play a unique role in innate immune responses 47
- A substance capable of donating an hydrogen ion 39
- round particles made of fat and proteins that travel in your bloodstream to cells throughout your body 46
- Lipids that are produced by the dehydration synthesis of one or more fatty acids with an alcohol like glycerol 42
- Process by which water is used to split a substance into a smaller particle 42
- Made up of two sugars 43
- A protein that acts as a biological catalyst to speed up a chemical reaction 51
- The tendency of atoms to interact in such away that they have eight electron 31
- The outermost shell of any atom is called the valence shell and the electrons that reside in the valence shell are called valence electrons 31
- Made up of many sugars 43
- Made up of one sugar 43
- protons are positively charged 24
- Chemical reaction that releases engergy 37
- Fat molecules that have more than one unsaturated carbon bond in the molecule 46
- Substances that increase the rate of chemical reaction 38
- a heterogeneous mixture in which the dispersed particles 29
- the scientific study of planets and their planetary systems which includes moons, ring systems, gas clouds, and magnetospheres 26
- Chemical bond formed by electron transfer between atom 29
- Have different atomic forms of the same elements 27
- A molecule of any of a class of compounds (42)
- Chemical substances such as salt, acids, and bases, that ionize and dissociate in water and are capable of conduction and electrical current 39
- Any compound composed of atoms held together by covalent bonds 41
- the interatomic linkage that results from the sharing of an electron pair between two atoms 32
- Group of chemical substance including certain hormones and cholesterol 47
- A state of body equilibrium or stable internal environment of the body 39
Down
- Process by which a large molecule is synthesized by removing water and covalent bonding smaller molecules together 36
- the tendency of an atom to donate electrons and form positively charged cations34
- A chemical substance or system that minimizes changes 41
- Modifies lipids contains phosphorus 46
- Building block of nucleic acids 53
- a three dimensional description of the most likely location of an electron around an atom 25
- Fats and oils composed of fatty acids and glycerol 45
- A chemical reaction in which larger more complex atoms or molecules are formed form simpler form 36
- Organic molecule that stores and releases chemical energy for the use in body cell 55
- Having no net electric charge (42)
- Refer to how a given nitrogenous base of DNA or RNA bonds to another nitrogenous base 54
- A substance capable of binding with hydrogen ions 39
- dissociate fully in water to produce the maximum number of H+ ions 41
- a heterogeneous mixture in which the solid particles do not dissolve 29
- The number of molecules in one mole of any substance, 6.02 x 10^23 30
- Displacement reaction in which mixing an acid and base from water and a salt 40
- neutrons are uncharged 24
- electrons are negatively charged 24
- the unfolding or breaking up of a protein, modifying its standard three-dimensional structure 50
- Chemical reaction that absorb energy 32
- Isotopes that exhibit radioactive behavior 28
- a compound made up of two or more chemical components that are not chemically 29linked.
- Weak bond in which a hydrogen atom forms a bridge between two electron-hungry atoms 34
- The smallest unit of an element (25)
- an acid chemical which does not dissociate (split into ions) completely in water solution 41
- Ability to do work (24)
51 Clues: Made up of one sugar 43 • Ability to do work (24) • Made up of two sugars 43 • Made up of many sugars 43 • neutrons are uncharged 24 • protons are positively charged 24 • Building block of nucleic acids 53 • Having no net electric charge (42) • electrons are negatively charged 24 • The smallest unit of an element (25) • Modifies lipids contains phosphorus 46 • ...
CHEMISTRY COMES ALIVE 2024-09-13
Across
- lipid-based signaling molecules that play a unique role in innate immune responses 47
- A substance capable of donating an hydrogen ion 39
- round particles made of fat and proteins that travel in your bloodstream to cells throughout your body 46
- Lipids that are produced by the dehydration synthesis of one or more fatty acids with an alcohol like glycerol 42
- Process by which water is used to split a substance into a smaller particle 42
- Made up of two sugars 43
- A protein that acts as a biological catalyst to speed up a chemical reaction 51
- The tendency of atoms to interact in such away that they have eight electron 31
- The outermost shell of any atom is called the valence shell and the electrons that reside in the valence shell are called valence electrons 31
- Made up of many sugars 43
- Made up of one sugar 43
- protons are positively charged 24
- Chemical reaction that releases engergy 37
- Fat molecules that have more than one unsaturated carbon bond in the molecule 46
- Substances that increase the rate of chemical reaction 38
- a heterogeneous mixture in which the dispersed particles 29
- the scientific study of planets and their planetary systems which includes moons, ring systems, gas clouds, and magnetospheres 26
- Chemical bond formed by electron transfer between atom 29
- Have different atomic forms of the same elements 27
- A molecule of any of a class of compounds (42)
- Chemical substances such as salt, acids, and bases, that ionize and dissociate in water and are capable of conduction and electrical current 39
- Any compound composed of atoms held together by covalent bonds 41
- the interatomic linkage that results from the sharing of an electron pair between two atoms 32
- Group of chemical substance including certain hormones and cholesterol 47
- A state of body equilibrium or stable internal environment of the body 39
Down
- Process by which a large molecule is synthesized by removing water and covalent bonding smaller molecules together 36
- the tendency of an atom to donate electrons and form positively charged cations34
- A chemical substance or system that minimizes changes 41
- Modifies lipids contains phosphorus 46
- Building block of nucleic acids 53
- a three dimensional description of the most likely location of an electron around an atom 25
- Fats and oils composed of fatty acids and glycerol 45
- A chemical reaction in which larger more complex atoms or molecules are formed form simpler form 36
- Organic molecule that stores and releases chemical energy for the use in body cell 55
- Having no net electric charge (42)
- Refer to how a given nitrogenous base of DNA or RNA bonds to another nitrogenous base 54
- A substance capable of binding with hydrogen ions 39
- dissociate fully in water to produce the maximum number of H+ ions 41
- a heterogeneous mixture in which the solid particles do not dissolve 29
- The number of molecules in one mole of any substance, 6.02 x 10^23 30
- Displacement reaction in which mixing an acid and base from water and a salt 40
- neutrons are uncharged 24
- electrons are negatively charged 24
- the unfolding or breaking up of a protein, modifying its standard three-dimensional structure 50
- Chemical reaction that absorb energy 32
- Isotopes that exhibit radioactive behavior 28
- a compound made up of two or more chemical components that are not chemically 29linked.
- Weak bond in which a hydrogen atom forms a bridge between two electron-hungry atoms 34
- The smallest unit of an element (25)
- an acid chemical which does not dissociate (split into ions) completely in water solution 41
- Ability to do work (24)
51 Clues: Made up of one sugar 43 • Ability to do work (24) • Made up of two sugars 43 • Made up of many sugars 43 • neutrons are uncharged 24 • protons are positively charged 24 • Building block of nucleic acids 53 • Having no net electric charge (42) • electrons are negatively charged 24 • The smallest unit of an element (25) • Modifies lipids contains phosphorus 46 • ...
Rocket science crossword 2019-05-09
14 Clues: push • force • rising • composed • Position • pressure • tube-like • small rocket • impulse: duration • chemical reaction • of pressure: force • Robert H. Goddard: engineer • von Braun: aerospace engineer • third law of motion: opposite reaction
Chemistry Crossword 2014-11-03
Across
- A chemical reaction that releases heat
- Symbol of B
- Has a symbol of H
- a table where the elements are orginized
- In between a metal and a non-metal
- The slowest chemical change
- The celestial body of silver
- A neutral particle in an atom
- mass Mass of one atom
- Symbol of Kr and Supermans homeworld
Down
- A catalyst involving living things
- Symbol of Ag
- dull brittle element that doesn't conduct electricity
- A chemical reaction that absorbs heat
- anything that has mass and occupies space
- Element symbol is Au
- The symbol of Mercury
- Negatively charged subatomic particle
- Ability of a substance to conduct electricity
- Symbol for Neon
- Amount of mass in a given area
- Zinc
- A pure substance that can't be broken down into other substances
- The symbol of Oxygen
- Symbol for Potassium
25 Clues: Zinc • Symbol of B • Symbol of Ag • Symbol for Neon • Has a symbol of H • Element symbol is Au • The symbol of Oxygen • Symbol for Potassium • The symbol of Mercury • mass Mass of one atom • The slowest chemical change • The celestial body of silver • A neutral particle in an atom • Amount of mass in a given area • A catalyst involving living things • In between a metal and a non-metal • ...
chemistry 2024-04-23
Across
- discovered the nucleus of an atom
- packets of light given off by excited atoms
- a table in which chemical elements are arranged by atomic number
- element with atomic number 7 and atomic mass 14.01
- easily bent
- a substance that speeds up a chemical reaction
- when two liquids do not mix
- discovered the electron
- a mixture containing particles that settle out
Down
- shiny
- the energy released from the interaction of cations and anions is called the _____
- reversible reactions have a _____
- a solid produced during a chemical reaction
- reactions that require energy
- C3H8
- the ability of a substance to dissolve in a solvent and form a solution
- the most probable location of an electron
- the change in heat of the products from the reactants
- the concave surface of a liquid
- the temperature and pressure at which the solid, liquid, and gas forms of a substance coexist
20 Clues: C3H8 • shiny • easily bent • discovered the electron • when two liquids do not mix • reactions that require energy • the concave surface of a liquid • reversible reactions have a _____ • discovered the nucleus of an atom • the most probable location of an electron • a solid produced during a chemical reaction • packets of light given off by excited atoms • ...
Ahna Granger Crossword 2024-04-26
Across
- what determines the atomic number
- his gas law explains pressure decreases with temperature decrease
- what is matter composed of
- atoms that do not have 8 valence electrons are__
- bond where electrons are shared to fill valence level
- these gain electrons in chemical reactions
- solution not capable of being dissolved is ___
- bond resulting in cations and anions
- a mixture that is not uniform
- rules for digits used in chemical equations
Down
- heat is released in a ___ reaction
- his gas law explains how gasses expand when heated
- phase changing from solid to gas
- how strongly an atom attracts an electron
- atom having 8 valence electrons
- solution capable of being dissolved
- phase changing from gas to solid
- heat is absorbed in a ___ reaction
- his gas law explains volume decreases with increasing pressure
- these loose electrons in chemical reactions
20 Clues: what is matter composed of • a mixture that is not uniform • atom having 8 valence electrons • phase changing from solid to gas • phase changing from gas to solid • what determines the atomic number • heat is released in a ___ reaction • heat is absorbed in a ___ reaction • solution capable of being dissolved • bond resulting in cations and anions • ...
Matter 2024-05-09
Across
- a physical property, shiny or dull
- a chemical property, slow reaction of metals (rust)
- a solid that dissolves in a liquid
- a chemical property, very rapid reaction (fire)
- a physical property, thickness of liquids
- found on the left side of the chemical equation
- a physical property, shatters easily
- a physical property, can be hammered into shapes
- like CO2 and H2O
- 118 of them found on the Periodic Table
Down
- a solute and a solvent (ex: salt water)
- a solid that forms in a liquid
- a physical property (transparent/opaque)
- the liquid that dissolves makes a solution
- a physical property, resistance to scratch/dent
- a physical property, pulled into wire (copper/gold)
- like suspension, gels, foams emulsions
- they are found on the right side of Chem. eqation
- the amount of space taken up by something
- has mass and takes up space
20 Clues: like CO2 and H2O • has mass and takes up space • a solid that forms in a liquid • a physical property, shiny or dull • a solid that dissolves in a liquid • a physical property, shatters easily • like suspension, gels, foams emulsions • a solute and a solvent (ex: salt water) • 118 of them found on the Periodic Table • a physical property (transparent/opaque) • ...
Chemistry, Physics, and Energy. 2023-06-05
Across
- the basic unit of a element
- Energy in Motion
- the most reactive group on the periodic table
- Table of elements organized by atomic #
- electrons How are the groups on the periodic table sorted
- The first element in the periodic table
- Energy possessed by a position
- The unit for work or energy.
- a change in the size or shape of a substance
- work divided by time equals _______?
Down
- Makes a new substance
- the amount of elements on the periodic table
- the amount of groups in the periodic table
- The transfer of energy by one object touching another.
- The transfer of energy using electromagnetic waves and photons.q
- a substance made up of two or more elements
- opposite of a proton
- Unit of force named after a scientist
- Chemical reaction that MAKES heat
- Chemical reactions that ABSORBS heat
20 Clues: Energy in Motion • opposite of a proton • Makes a new substance • the basic unit of a element • The unit for work or energy. • Energy possessed by a position • Chemical reaction that MAKES heat • Chemical reactions that ABSORBS heat • work divided by time equals _______? • Unit of force named after a scientist • Table of elements organized by atomic # • ...
Unit 1 - Biomolecules 2022-12-08
Across
- Macromolecules that store and transmit hereditary or genetic information,(DNA/RNA); Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorous
- the forces that hold atoms together within a molecule
- Proteins that act as biological catalysts and provide a site where the reactants can be brought together to react. Such a site reduces the energy needed for the reaction.
- Monomer to the polymer nucleic acids, have three parts, a 5-carbon sugar, a phosphate group, and a nitrogenous base.
- the basic unit of matter
- molecules forming ionic or a hydrogen bond with water molecules. “Water loving”
- the chemical processes that occur within a living organism in order to maintain life
- nonpolar molecules that repel water molecules. “Water fearing”
- pockets in the folds on enzyme surfaces where the substrate binds and a chemical reaction occurs
- Adenosine triphosphate, abbreviated as ___, is the source of energy for use and storage at the cellular level.
- dissolving substance in a solution. Ex: water
- type of mixture in which all components are evenly distributed
- a pure substance that consists of one type of atom
- chemical reactions that release energy (often occur on their own, or spontaneously)
- a substance on which an enzyme acts during a chemical reaction to help lower activation energy
- mixture of water and nondissolved material
- During non-competitive inhibition, molecules do not sit in the active site but will attach to an _______.
- a substance that speeds up the rate of the reaction by lowering the activation energy
- A testable explanation or prediction based on the observation and the scientist’s prior knowledge
- The process of breaking large molecules down into smaller molecules, releasing energy
- Molecules sit in the active site of the enzyme and prevent the entry of the substrate.
- A prediction that there is no relationship between two variables.
- attraction of molecules of the same substance
- small units that compose polymers
- attraction between molecules of different substances
- Molecules do not sit in the active site but will attach to an allosteric site and changes the shape of the enzyme therefore changing the shape of the active site.
- attraction between a hydrogen atom and another atom
Down
- Chemical bond formed when one or more electrons are transferred from one atom to another
- tendency of water to rise in a thin tube
- Reasoning based on observation
- the forces that exist between molecules
- A chemical reaction that builds up molecules by losing water molecules
- Reasoning based on analysis
- The energy needed to get a reaction started
- chemical reactions that absorb energy (will NOT occur without an input of energy)
- a substance formed by the chemical combination of two or more elements in definite proportions
- A water molecule is ____ if there is an uneven distribution of electrons between the hydrogen atoms and oxygen atoms. The negative pole is near the oxygen atom and the positive pole is near the hydrogen atoms
- Organic compounds with an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other end.
- The process of splitting a compound into fragments with the addition of water; a kind of reaction that is used to break down polymers into simpler units, e.g. starch into glucose.
- (sugars); Carbon, Hydrogen, and Oxygen
- a material composed of two or more elements or compounds that are physically mixed together but not chemically combined
- large units made up of a chain of monomers
- The process of creating large molecules from smaller molecules, utilizing energy
- Atoms of the same element that differ in the number of neutrons they contain
- Chemical bond formed when the electrons are shared between atoms
- Carbon, Hydrogen, Oxygen, and Nitrogen
- substance that is dissolved in solution. Ex: sugar, salt
- (fats); Carbon, Hydrogen, and Oxygen
48 Clues: the basic unit of matter • Reasoning based on analysis • Reasoning based on observation • small units that compose polymers • (fats); Carbon, Hydrogen, and Oxygen • (sugars); Carbon, Hydrogen, and Oxygen • Carbon, Hydrogen, Oxygen, and Nitrogen • the forces that exist between molecules • tendency of water to rise in a thin tube • mixture of water and nondissolved material • ...
Crossword 2023-11-17
Across
- Colourless, odorless, tasteless gas
- A plastid that contains chlorophyll
- A substance that takes part in and undergoes change during a reaction.
- Nature's way of reusing carbon atoms
- The process by which green plants and some other organisms use sunlight
- A series of chemical reactions that break down glucose to produce ATP
- Makes, grows, or supplies goods
- Cause to change in form, character, or function.
Down
- A colorless and non-flammable gas at normal temperature and pressure
- Use light energy to make two molecules needed for the next stage of photosynthesis
- An article or substance that is manufactured
- A change in physical form or a nuclear reaction.
- An organelle found in large numbers in most cells
- C6H12O6
- A soil bacterium, fungus, or invertebrate
15 Clues: C6H12O6 • Makes, grows, or supplies goods • Colourless, odorless, tasteless gas • A plastid that contains chlorophyll • Nature's way of reusing carbon atoms • A soil bacterium, fungus, or invertebrate • An article or substance that is manufactured • A change in physical form or a nuclear reaction. • Cause to change in form, character, or function. • ...
Organic Compounds And Enzymes 2016-08-25
Across
- A substance or molecule that participates in a chemical reaction
- A fat molecule or a molecule that has similar properties, including waxes and steroids
- (two words)an organic compound, either RNA or DNA whose molecules are made up of one or two chains of nucleotides and carry genetic information
- a natural polymer that is present in all living cells and that plays a role in protein syntheses
- an organic molecule that acts as the main energy source for cell processes
- (two words)the minimum amount of energy required to start a chemical reaction
- (two words)on an enzyme, the site that attaches to a substrate
- (two words)a compound of a class of simple organic compounds that contain a carboxyl and an amino group and that combine to form proteins
- a substance that forms in a chemical reaction
- A molecule either protein or RNA that acts as a catalyst in biochemical reactions
Down
- an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
- a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- an organic compound that consists of a sugar, and phosphate, and a nitrogenous base
- (two words) compounds containing carbon that are typically found in living systemsEnergy The capacity to do work
- composed mainly of fatty acids, a phosphate group, and a simple organic molecule such as glycerol. They are the main lipids in cell membranes.235
- A class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
- the material that contains the information that determines inherited characteristics
- The reactant in reactions catalyzed by enzymes
18 Clues: a substance that forms in a chemical reaction • The reactant in reactions catalyzed by enzymes • (two words)on an enzyme, the site that attaches to a substrate • A substance or molecule that participates in a chemical reaction • an organic molecule that acts as the main energy source for cell processes • ...
Chapter 2 Vocab 2023-09-20
Across
- The building block of matter; the smallest possible particle of an element.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- An attraction between two atoms as a result of sharing or transferring valence electrons
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- A class of simple organic compounds important in living things as a source of both energy and structure
- The tendency of energy to disperse and become less available to do work.
- A substance that can produce hydroxide ions (OH accept hydrogen ions (H+) in solution.
- The smallest particle of a covalently bonded compound.
- A substance that is present before a chemical reaction and takes part in it, usually shown on the left hand side of a chemical equation.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- acid A class of organic compounds that serve as the building blocks of proteins.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
- A substance that can produce hydrogen ions (H+ solution.
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
- A pure substance made of only one kind of atom.
- The substances formed during a chemical reaction, usually indicated on the right hand side of a chemical equation.
- change A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
Down
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive
- An organic compound comprising the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
- A pure substance made from two or more elements that are chemically combined.
- The attraction between like particles within polar substances.
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- change A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- The physical stuff that makes up the universe. Anything that occupies space and has mass.
- A measurement of the average speed of the particles within a substance.
- The attraction of particles in one substance for particles in a different substance.
- compound A covalently bonded compound containing the element carbon.
- A naturally occurring catalyst, usually a protein.
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
29 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions (H+ solution. • The attraction between like particles within polar substances. • compound A covalently bonded compound containing the element carbon. • ...
Biology 2024-09-23
Across
- compound: A covalently bonded compound containing the element carbon.
- and cellulose.
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- The substances formed during a chemical reaction, usually indicated on the righthand side of a chemical equation.
- acid: A class of organic compounds that serve as the building blocks of proteins.
- The tendency of energy to disperse and become less available to do work.
- A pure substance made from two or more chemically combined elements.
- The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
- An organic compound comprised of carbon, hydrogen, and oxygen elements, including sugars, starch, and cellulose.
- having a negative charge while others are positive.
- enzyme catalyzes.
- An organic compound comprised of the elements carbon, hydrogen, and oxygen; including sugars,
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- The smallest particle of a covalently bonded compound.
Down
- The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
- A pure substance made of only one kind of atom
- A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
- change: A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
- The attraction between like particles within polar substances.
- A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
- The building block of matter; the smallest possible particle of an element
- A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that
- The attraction of particles in one substance for particles in a different substance.
- change: A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
- A measurement of the average speed of the particles within a substance.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a
- A substance that can produce hydroxide ions (OH−) or accept hydrogen ions (H+) in solution.
- The ability to do work. Especially in biology, the driver of physical and chemical processes necessary for life
- A substance that can produce hydrogen ions (H+) in solution.
- The physical stuff that makes up the universe. Anything that occupies space and has mass
- A naturally occurring catalyst, usually a protein.
32 Clues: and cellulose. • enzyme catalyzes. • A pure substance made of only one kind of atom • A naturally occurring catalyst, usually a protein. • having a negative charge while others are positive. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions (H+) in solution. • ...
Macromolecules and Enzyme Vocabulary Review 2023-09-14
Across
- reactant found in cells that binds to an enzyme in order to become a product
- general term for something that speeds up a chemical reaction
- changing one set of chemicals into another; has reactant(s) and product(s)
- protein that acts as a biological catalyst; suffix is usually -ase
- macromolecule made of CHONP; composed of nucleotides
- the amount of energy needed to start a chemical reaction; gets lowered by enzymes to speed up the chemical reaction
- monomer for nucleic acids; made of a phosphate, sugar, and nitrogen base
Down
- monomer for carbohydrates; ex. glucose, fructose
- macromolecule made of CHO; composed of monosaccharides; suffix is usually -ose
- chemical compound made up of many single units joined together
- macromolecule made of CHO; composed of glycerol connected to fatty acid chains
- long hydrocarbon chain; component of lipids
- monomer for proteins; made of an amino group, carboxylic acid group, and R-side chain attached to a central carbon atom
- large molecule found in all living things
- single unit
- macromolecule made of CHON; composed of amino acids
16 Clues: single unit • large molecule found in all living things • long hydrocarbon chain; component of lipids • monomer for carbohydrates; ex. glucose, fructose • macromolecule made of CHON; composed of amino acids • macromolecule made of CHONP; composed of nucleotides • general term for something that speeds up a chemical reaction • ...
Changes in matter 2025-10-09
Across
- Reaction in which heat and light are released
- Law stating that total mass remains the same in a reaction
- A solid formed during a chemical reaction
- Reaction between an acid and a base
Down
- The process in which a solid turns directly into gas
- dioxide Colourless gas produced when fuels burn completely
- Substances used to produce heat energy
- A process where a liquid changes into vapour
- Change where new substances are formed
- Gas that supports combustion
- Type of change where no new substance is formed
- The red-brown coating formed on iron
12 Clues: Gas that supports combustion • Reaction between an acid and a base • The red-brown coating formed on iron • Substances used to produce heat energy • Change where new substances are formed • A solid formed during a chemical reaction • A process where a liquid changes into vapour • Reaction in which heat and light are released • ...
chemistry bonus 2024-04-29
Across
- mass of an atom
- acts a catalyst
- releases heat
- an atoms give up electrons for another atom
- an element between metals and nonmetals
- nonmetallic element
- positive charged ion
- subtances in a chemical reaction
- chemical element with atomic number 5
- energy stored in bonds
Down
- the unit of work or energy
- solid to the gaseous state
- absorbs heat
- chemical element,lacks material of metal
- chemical element number 7
- volume at a constant temperature
- the mass of the substance
- molecules settle out of solution
- positive electric charge
- negative electric charge
20 Clues: absorbs heat • releases heat • mass of an atom • acts a catalyst • nonmetallic element • positive charged ion • energy stored in bonds • positive electric charge • negative electric charge • chemical element number 7 • the mass of the substance • the unit of work or energy • solid to the gaseous state • volume at a constant temperature • molecules settle out of solution • ...
CROSSWORD 2022-07-20
Across
- chemical reaction in which a molecule of water breaks one or more chemical bonds
- The basic building block of chemistry
- ALSO KNOWN AS CAUSTIC SODA
- a chemical reaction in which a more reactive element displaces a less reactive element from its compound
- reaction a reaction in which electrons are consumed
Down
- an aqueous solution of hydrogen chloride
- reactions in which an element combines with oxygen
- an elimination reaction which removes a hydrogen halide from a substrate
- also called carbolic acid
- the process of combining an organic acid (RCOOH) with an alcohol (ROH) to form an ester (RCOOR) and water
10 Clues: also called carbolic acid • ALSO KNOWN AS CAUSTIC SODA • The basic building block of chemistry • an aqueous solution of hydrogen chloride • reactions in which an element combines with oxygen • reaction a reaction in which electrons are consumed • an elimination reaction which removes a hydrogen halide from a substrate • ...
Biology key words 2024-11-15
Across
- Cell part where chemical reactions occur
- A microbe that causes disease
- A chemical reaction that uses glucose and oxygen
- A disease that can spread
- A pathogen that shows up as mould
- A term for when a disease is passed on
Down
- The smallest pathogen
- Cell part that stores DNA
- Bacteria cell part that allows movement
- A chemical reaction that produces glucose and oxygen
- When pathogens spread through the air
- Deoxyribonucleic Acid
- The disease caused by HIV
13 Clues: The smallest pathogen • Deoxyribonucleic Acid • Cell part that stores DNA • A disease that can spread • The disease caused by HIV • A microbe that causes disease • A pathogen that shows up as mould • When pathogens spread through the air • A term for when a disease is passed on • Bacteria cell part that allows movement • Cell part where chemical reactions occur • ...
Photosynthesis/Cellular Respiration Crossword 2021-12-21
Across
- an organism that cannot makes it's own food, also known as a consumer
- the process in which plants use light to make energy
- ATP is a form of _________________ energy
- type of respiration involving oxygen
- something that is produced during a chemical reaction
- this makes up about 78% of the air we breathe
- one of the things needed for cellular respiration
- the name for the chemical symbol H20
- two or more atoms held together by a chemical bond
- the process by which cells break down glucose
- the part of a plant that takes in carbon dioxide
- this carries oxygen from our lungs to our cells
- the organelle where cellular respiration primarily takes place
Down
- cellular respiration begins in this part of the cell
- something that undergoes a change during a chemical reaction
- type of respiration not involving oxygen
- nearly all energy on Earth comes from this
- an organism that makes its own food, also known as a producer
- one of the things needed for cellular respiration
- a substance which cannot be broken down in to any other substances
- the process by which food is broken down both mechanically and chemically
- the basic particle from which all elements are made
- dioxide, the name for the chemical symbol CO2
- the "H" in H2O
24 Clues: the "H" in H2O • type of respiration involving oxygen • the name for the chemical symbol H20 • type of respiration not involving oxygen • ATP is a form of _________________ energy • nearly all energy on Earth comes from this • this makes up about 78% of the air we breathe • dioxide, the name for the chemical symbol CO2 • the process by which cells break down glucose • ...
CHEMISTRY UNIT REVIEW CROSSWORD 2017-02-12
Across
- the P.T.): A numbered column on the Periodic table
- rings around a nucleus that can have zero, one, or two electrons
- An element that isn't a metal
- letters standing for a chemical element
- the P.T.): one of the Horizontal rows on the Periodic Table
- A process with released heat
- An electron that helps form a chemical bond
- Everything is made from this.
- A substance that changes during a chemical reaction
- Groups of atoms bonded together
- Is formed after 2 or more elements are chemically bonded
Down
- Has a negative charge
- the Result of a chemical reaction
- States that mass is neither created nor destroyed by chemical reactions or physical transformations.
- Has a neutral charge (no charge)
- Has a positive charge
- An element that has both properties of a metal and a nonmetal
- The number of protons in a atom
- The mass of a chemical elements atoms
- Man who discovered the Periodic Law
- The brain or powerhouse of a cell
- Its made from a single type of atom and is a pure substance
- A process that requires absorbed heat
- A solid that is hard, shiny, malleable, fusible, and ductile
- Gas: Include helium, neon, argon, krypton, xenon, and radon
25 Clues: Has a negative charge • Has a positive charge • A process with released heat • An element that isn't a metal • Everything is made from this. • The number of protons in a atom • Groups of atoms bonded together • Has a neutral charge (no charge) • the Result of a chemical reaction • The brain or powerhouse of a cell • Man who discovered the Periodic Law • ...
CHEMISTRY UNIT REVIEW CROSSWORD 2017-02-12
Across
- rings around a nucleus that can have zero, one, or two electrons
- Has a neutral charge (no charge)
- A process that requires absorbed heat
- the P.T.): one of the Horizontal rows on the Periodic Table
- An electron that helps form a chemical bond
- Has a negative charge
- The number of protons in a atom
- An element that has both properties of a metal and a nonmetal
- Its made from a single type of atom and is a pure substance
- The mass of a chemical elements atoms
- letters standing for a chemical element
- Gas: Include helium, neon, argon, krypton, xenon, and radon
Down
- Man who discovered the Periodic Law
- States that mass is neither created nor destroyed by chemical reactions or physical transformations.
- the Result of a chemical reaction
- the P.T.): A numbered column on the Periodic table
- A process with released heat
- Is formed after 2 or more elements are chemically bonded
- An element that isn't a metal
- A solid that is hard, shiny, malleable, fusible, and ductile
- The brain or powerhouse of a cell
- A substance that changes during a chemical reaction
- Has a positive charge
- Groups of atoms bonded together
- Everything is made from this.
25 Clues: Has a negative charge • Has a positive charge • A process with released heat • An element that isn't a metal • Everything is made from this. • The number of protons in a atom • Groups of atoms bonded together • Has a neutral charge (no charge) • the Result of a chemical reaction • The brain or powerhouse of a cell • Man who discovered the Periodic Law • ...
Chapter 6 Chemistry & Chemical Safety 2021-03-17
Across
- A chemical change in the substance.
- Water droplets emulsified in oil.
- Capable of combining with or attracting water.
- Liquids that are not capable of being mixed together to form stable solutions.
- The smallest chemical components of an element.
- Alcohols that evaporate easily
- Characteristics that can be determined without a chemical reaction.
- A Chemical combination of two or more atoms in definite proportions.
- Also known as bases compounds that react with acids to form salts.
- Acids derived from plants that are often used to exfoliate the skin.
- Special kind of oil used in conditioners.
- Sweet colorless, oily substance used as a solvent and a moisturizer.
- The separation of an atom or molecule into positives and negative ions.
- Subatomic particles with a positive charge.
- Prolong, repeated, or long term exposure that can cause sensitivity.
- A physical combination of matter in any proportion.
- Science that deals with composition structures and properties of matter.
- Oil droplets emulsified in water.
- Compounds that contain carbon and evaporate very easily.
- Substance that releases oxygen.
- A substance that causes an increase in cellular mutations.
- Subatomic particles with a negative charge.
- Raise the pH of many hair products.
- an atom or molecule that carries an electrical charge.
- Molecules containing two or more atoms of the same element.
- Unstable physical mixtures.
- A colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions.
- A change in the form or physical properties of a substance without chemical reaction.
- subatomic particles with no change.
Down
- Commonly Known as Lye.
- Substance that should not be mixed or even stored near each other.
- Uniform mixture of two or more substances.
- Ingredients that brings two normally incompatible materials together.
- Change in the chemical composition or makeup of a substance.
- that is capable of igniting and burning.
- /the simplest form of chemical matter.
- Solution that has a pH below 7
- Alpha hydroxy acid used in exfoliation and to lower the pH of products.
- Heat from an external source for the reaction to occur.
- A chemical reaction in which the oxidizing agent is reduced by losing oxygen.
- Required by law for all products sold.
- Substances that cause or believe it causes cancer.
- Chemical reaction that releases a significant amount of heat.
- Having an affinity for or an attraction to fat and oils.
- An ion with negative electrical charge.
- A chemical combination of two or more atoms of different elements.
- A Substance that add hydrogen to a chemical compound.
- Substances that allows oil and water to mix.
- Colorless gas with a pungent odor that is composed of hydrogen nitrogen.
- A Solution that has a pH above 7
- Rapid oxidation of a substance accompanied by production of heat and light.
- Dissolves the solute and makes a solution.
- Substance that is dissolved in a solution.
- A chemical combination of matter in definite proportions.
- An unstable physical mixture of two or more immiscible substances.
- Substance that occupies space and has mass.
- an ion with a positive electrical charge.
- Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions.
- Measure of the acidity and alkalinity of a substance.
- Represents the quantity of hydrogen ions.
60 Clues: Commonly Known as Lye. • Unstable physical mixtures. • Alcohols that evaporate easily • Solution that has a pH below 7 • Substance that releases oxygen. • A Solution that has a pH above 7 • Water droplets emulsified in oil. • Oil droplets emulsified in water. • A chemical change in the substance. • Raise the pH of many hair products. • subatomic particles with no change. • ...
SDS and HAZARD COMMUNICATION 151 2024-07-02
Across
- A chemical that causes damage to or disease in the kidneys.
- Hazardous __________________ is disposable matter that poses a risk to human health or the environment.
- _____________________ hazards are chemicals that are likely to catch fire or explode on their own or when exposed to water.
- Any substance that may trigger or promote flammability in another substance.
- A chemical that causes damage to or disease in the liver.
- A chemical that causes damage to or disease in the nervous system.
- A chemical that ignites or explodes spontaneously.
- __________________ effect is a response to a chemical that occurs after a long period of exposure.
- ________________ ticket is the documentation that accompanies a group or quantity of a product.
- _____________________ hazards are chemical substances that are likely to burst.
Down
- _______________________ hazard is a chemical that causes damage to or disease in the skin or dermal layer.
- A chemical that causes inflammation and swelling in human tissue.
- A chemical that causes an allergic reaction.
- A cancer-causing substance.
- _________________ reaction is a response to chemical exposure that occurs suddenly or over a short period of time.
- An illustration of a hazard that is intended to be understood even if the viewer cannot read.
- ____________________ effect is the result of a hazard that affects the entire body.
- A non-reactive combination or a solution composed of two or more substances.
- Industrial _____________________ is a person trained to anticipate, recognize, evaluate, and develop controls for occupational health and environmental hazards.
- A scientist trained to study the nature and effects of chemicals on living organisms.
- ______________________ peroxide is a type of reactive hazard that can catch fire independently.
- A chemical that is capable of irreparably harming living tissues or damaging material on contact.
22 Clues: A cancer-causing substance. • A chemical that causes an allergic reaction. • A chemical that ignites or explodes spontaneously. • A chemical that causes damage to or disease in the liver. • A chemical that causes damage to or disease in the kidneys. • A chemical that causes inflammation and swelling in human tissue. • ...
Stiochiometry Cross Word 2022-11-28
Across
- a reaction that occurs when chemical bonds are formed or broken
- the relationship between qunatities of reactants and products before and after the chemical reaction.
- when the same number of each type of atoms of both left and right sides of the reaction arrow
- a single kind of matter that cannot be seperated into other matter by physical means.
- a positive or negatively charged atom.
- the empirical formula of any ionic or covalent network solid compound used as an independent entity for stiochiometric calculations.
- 6.02214076 . 10^23
Down
- a formula giving the proportions of the elements present in a compound but not the actual numbers of arrangements of atoms.
- a way to present chemical proportions of atoms that constitute a particular chemical compound or element using element symbols, numbers, etc.
- a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, etc.
- the mass of a substance (in grams) divided by the number of moles in a substance.
- tells you by mass what percent of each element is inside a compound.
- an arithmetic multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
- a compound, usually a crystalline, in which water molecules are chemically bonded to another compound or element.
- a particle of matter that uniquely defines a chemical element.
- the relationship between quantities relative to substances taking part in a reaction leading to a compound
16 Clues: 6.02214076 . 10^23 • a positive or negatively charged atom. • a particle of matter that uniquely defines a chemical element. • a reaction that occurs when chemical bonds are formed or broken • tells you by mass what percent of each element is inside a compound. • the mass of a substance (in grams) divided by the number of moles in a substance. • ...
Chemical Bonds 2023-03-23
Across
- Transfers valence electrons
- Shares valence electrons
- Particle #2(negative charge)
- Atoms combining to form chemical compounds and bring stability to the resulting product.
Down
- Atom groups which are held together with chemical bonds.
- Particle #1(positive charge)
- A chemical reaction occurs when a new substance is _____.
- A chemical reaction occurs when Chemical bonds are______.
- Particle #3(neutral charge)
- Built of 3 particles
10 Clues: Built of 3 particles • Shares valence electrons • Transfers valence electrons • Particle #3(neutral charge) • Particle #1(positive charge) • Particle #2(negative charge) • Atom groups which are held together with chemical bonds. • A chemical reaction occurs when a new substance is _____. • A chemical reaction occurs when Chemical bonds are______. • ...
Chemistry Review 2017-02-08
Across
- no charge
- substance of two combined elements
- group of atoms
- Mendeleev: creator of table
- negative
- positive
- absorbs heat
- orbits around
- characteristics of metal and non-metal
- electron: outermost shell
- shiny, foil, conductors
- Structure
Down
- abbreviation of element
- new material formed in a chemical reaction
- (on the P.T.): column of elements
- the center
- Table
- Gas: any gasses in group 18
- Motion & Chemical Reactions
- everything is made of this
- release of heat
- undergoes change during a reaction
- dull, poor conductors
- substance that cannot be broken down
- of Conservation of Mass: neither created nor destroyed
- (on the P.T.): row of elements
- & CLUE
27 Clues: Table • & CLUE • negative • positive • no charge • Structure • the center • absorbs heat • orbits around • group of atoms • release of heat • dull, poor conductors • abbreviation of element • shiny, foil, conductors • electron: outermost shell • everything is made of this • Gas: any gasses in group 18 • Motion & Chemical Reactions • Mendeleev: creator of table • (on the P.T.): row of elements • ...
SCIENCE 2018-11-21
Across
- the most reactive non-metals
- numerical prefix for five
- a kind of change when a material changes state, (or appearance), but does not change composition. This process is reversible.
- a chemical reaction that occurs when oxygen reacts to another substance to create a new one
- smallest particle of matter with a negative charge
- numerical prefix for two
- can be easily separated
- a kind of change where the reactants either create or turn into a new substance. This process is not reversible.
- smallest particle of matter with a positive charge
- an element that has metallic and non-metallic properties
- the positively charged centre of an atom, made up of neutrons and protons
- can be made into thin strands of wire
- the smartest part of an element that is representative of that element, a neutral particle made up of protons, neutrons and electrons
Down
- pure substance
- a substance that helps speed up the rate of reaction between reactants
- a chemical combination of two or more elements in a specific ratio
- an organic catalyst
- vertical groups of elements with similar properties
- can not be separated easily
- the new substance created in a chemical reaction
- pounded or rolled into sheets
- smallest particle of matter with a neutral charge
- numerical prefix for one
- numerical prefix for four
- numerical prefix for three
25 Clues: pure substance • an organic catalyst • can be easily separated • numerical prefix for two • numerical prefix for one • numerical prefix for five • numerical prefix for four • numerical prefix for three • can not be separated easily • the most reactive non-metals • pounded or rolled into sheets • can be made into thin strands of wire • the new substance created in a chemical reaction • ...
Chemistry Review Crossword 2023-03-23
Across
- Table salt is also known as sodium __________
- This rule says that atoms want a full valence shell
- Dissolved in water
- A _________ cylinder is used to measure liquids
- Bonds that occur between a metal and a nonmetal
- This element's symbol is Kr
- An atom of this element has 26 protons
- Neutral (no charge) subatomic particle
- The inputs (on the left side) of a chemical reaction
- This type of flask has slanted sides and can be used to swirl liquids
- The number of Phosphorus atoms in a single Ca3(PO4)2 Compound
- The outputs (on the right side) of a chemical reaction
Down
- This element is in period 4 and group 15.
- Bonds that occur between two nonmetals
- A Magnesium atom _________ two VE to form an ion
- a chemical ____________ is a way of writing out a chemical reaction to show the change from reactants to products
- Negatively charged subatomic particle
- This type of model shows all of an atom's electrons
- Always wear these in the lab to protect your eyes.
- Atoms of the same element with different atomic masses are called __________
- These electrons are in the outermost energy level
- Positively charged subatomic particle
- An ion is an atom with a net _____________
- The weight of an atom is the sum of the number of protons and the number of ______________
24 Clues: Dissolved in water • This element's symbol is Kr • Negatively charged subatomic particle • Positively charged subatomic particle • Bonds that occur between two nonmetals • An atom of this element has 26 protons • Neutral (no charge) subatomic particle • This element is in period 4 and group 15. • An ion is an atom with a net _____________ • ...
enzyme study game 2020-10-23
Across
- when an enzyme changes its shape to bind with a substrate
- are enzymes reusable?
- enzymes that break down proteins into amino acid
- the amount of enzymes/substrates
- what makes a substrate unique?
- enzymes typically end in these three letters
- the chemical processes that occur within a living organism in order to maintain life
- does an enzyme raise or lower activation energy?
- where the substrate binds to the enzyme
Down
- multiple monomers joined together
- elements or compound produced by a chemical reaction
- the function of an enzyme
- modifying the molecular structure of a protein
- biomolecule with amino acid as a monomer
- carbohydrate found the cell wall of plants
- the sugar found in dairy
- the monomer of nucleic acid
- used to store long term energy
- enzymes speed up chemical ______
- the breakdown of complex molecules within an organism to form simpler ones
- element or compound that enters a reaction
21 Clues: are enzymes reusable? • the sugar found in dairy • the function of an enzyme • the monomer of nucleic acid • what makes a substrate unique? • used to store long term energy • the amount of enzymes/substrates • enzymes speed up chemical ______ • multiple monomers joined together • where the substrate binds to the enzyme • biomolecule with amino acid as a monomer • ...
A Clue in the Note 2023-04-19
Across
- Positively charged ion
- Mass per volume of a substance
- Repeating trends in elements properties
- Tendency to attract electrons
- Starting substance in a chemical reaction
- Nonreactive gases
- Has a pH less than 7
- Bond with shared electrons
- Developed an early model of the atom
- Elements bonded with themselves, O2
Down
- The ability of a material to be stretched into a long wire
- The outermost shell of electrons
- 12C and 13C
- The center of an atom
- Negatively charged particle
- Gold foil experiment director
- A chemical substance that cannot be broken down
- Properties of both metals and nonmetals
- The smallest particle of an element
- Group having seven valence electrons
- Positively charged particle
- Substance made during a chemical reaction
- Negatively charged ion
- A liquid’s resistance to flow
- Name of first group elements
25 Clues: 12C and 13C • Nonreactive gases • Has a pH less than 7 • The center of an atom • Positively charged ion • Negatively charged ion • Bond with shared electrons • Negatively charged particle • Positively charged particle • Name of first group elements • Gold foil experiment director • Tendency to attract electrons • A liquid’s resistance to flow • Mass per volume of a substance • ...
PLOY SCIENCE CROSSWORD 2015-01-19
Across
- chemical that can speed up chemical reaction
- process that food turned to energy
- respiration process that doesn't has oxygen and occur for short time
- breathing out
- breathing in
- how gas exchanged in alveolus
- blood that has low oxygen concentrate and high carbon dioxide
- inorganic substances that required by body in small amount
- thing that aerobic respiration need and it come from digestive system
- where food travel down from mouth to stomach
- respiration process that energy release while oxygen occur
Down
- happen when you get vitamin b1 deficiency
- blood that has high concentrate of oxygen
- organic substances that required by body to carry out important chemical reaction
- where respiration happen in organelle
- part of body where has breathing system
- muscle contraction occur along length of digestive system
- covered with blood vessels and where gas exchanged happen
- happen when you get vitamin D deficiency
- connect lungs to trachea
20 Clues: breathing in • breathing out • connect lungs to trachea • how gas exchanged in alveolus • process that food turned to energy • where respiration happen in organelle • part of body where has breathing system • happen when you get vitamin D deficiency • happen when you get vitamin b1 deficiency • blood that has high concentrate of oxygen • ...
Science Crossword 2014-10-22
Across
- all the same
- the shininess of an object
- the ability to be harmed without shattering
- the force where objects are attracted or repelled to one another
- the act of solving a problem
- the ability not to be scratched
- change in physical properties
- all different
- be able to transfer heat or electricity
- an object that resists a change in motion
- under go chemical reaction
Down
- chemical reaction involving rearrangement of the atoms
- cannot be separated into simpler substance
- the smallest component of an element
- a liquids resistance to move
- changing from solid to liquid or gas
- the state of being suspended
- to filter
- evaporating and condensing of a liquid
- can be pulled into long thin wires
- composed of 2 or more parts
- the amount of matter in a certain volume
- settles out on standing scatters light
23 Clues: to filter • all the same • all different • the shininess of an object • under go chemical reaction • composed of 2 or more parts • a liquids resistance to move • the act of solving a problem • the state of being suspended • change in physical properties • the ability not to be scratched • can be pulled into long thin wires • the smallest component of an element • ...
