chemical reaction Crossword Puzzles
Chem 2023-11-16
Across
- A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
- the process of becoming an acid or the act of making something become an acid
- the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
- H₂CO₃
- the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
- When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
- a principle of chemistry used to predict the rates of chemical reactions
- the abundance of a constituent divided by the total volume of a mixture
- CO2
- A state in which the rate of the forward reaction equals the rate of the backward reaction
- a measure of how acidic/basic water is
- a process that leads to the chemical transformation of one set of chemical substances to another.
12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...
Chem 2023-11-16
Across
- A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
- the process of becoming an acid or the act of making something become an acid
- the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
- H₂CO₃
- the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
- When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
- a principle of chemistry used to predict the rates of chemical reactions
- the abundance of a constituent divided by the total volume of a mixture
- CO2
- A state in which the rate of the forward reaction equals the rate of the backward reaction
- a measure of how acidic/basic water is
- a process that leads to the chemical transformation of one set of chemical substances to another.
12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...
Chem 2023-11-16
Across
- A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
- the process of becoming an acid or the act of making something become an acid
- the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
- H₂CO₃
- the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
- When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
- a principle of chemistry used to predict the rates of chemical reactions
- the abundance of a constituent divided by the total volume of a mixture
- CO2
- A state in which the rate of the forward reaction equals the rate of the backward reaction
- a measure of how acidic/basic water is
- a process that leads to the chemical transformation of one set of chemical substances to another.
12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...
Kendra, Chemitry, 3 2025-05-06
Across
- Combining two atoms together to make a new atom
- A stable isotope of hydrogen
- A famous jewelry Company/Owners name
- A positron with positive charge
- A radioactive isotope of hydrogen
- 2 neutrons and 2 protons
- Same number of protons but different numbers of neutrons
Down
- Breaking apart an atom into two new ones
- Same mass as an electron but is a positive charge
- The start of a chemical reaction
- Releases a unit of energy called a gamma particle
- neutron turns to a proton, an electron
- Substances that are formed in result of a chemical reaction
13 Clues: 2 neutrons and 2 protons • A stable isotope of hydrogen • A positron with positive charge • The start of a chemical reaction • A radioactive isotope of hydrogen • A famous jewelry Company/Owners name • neutron turns to a proton, an electron • Breaking apart an atom into two new ones • Combining two atoms together to make a new atom • ...
Chem 2023-11-16
Across
- A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
- the process of becoming an acid or the act of making something become an acid
- the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
- H₂CO₃
- the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
- When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
- a principle of chemistry used to predict the rates of chemical reactions
- the abundance of a constituent divided by the total volume of a mixture
- CO2
- A state in which the rate of the forward reaction equals the rate of the backward reaction
- a measure of how acidic/basic water is
- a process that leads to the chemical transformation of one set of chemical substances to another.
12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...
Aylen Valencia. (oxidantion) 2022-01-20
Across
- is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
- is negative charge but also is part of a atom
- is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
- is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
- is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
Down
- is the objetive or the resul of a previus process
- this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
- is when 22 ore more elements have a reaction or change when they are together
- this is use to pull apart the colour by the sun light
- is when something is connected like elemnts, subtances, people, subjets; etc.
- is the symbols or the reprensetantion of a chemical change
- is the number 8 on the peridic table and is a gas
12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when 22 ore more elements have a reaction or change when they are together • ...
Biology Ch. 2 Vocab 2022-08-30
Across
- weak attraction between a hydrogen atom and another atom
- atom that has a positive or negative charge
- pure substance that consists entirely of one type of atom
- energy input that is needed for a reaction to begin
- macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
- elements or compounds that enter into a chemical reaction
- slight attraction that develops between oppositely charged regions of nearby molecules
- negatively charged particle located in the space surrounding the nucleus
- compound with an amino group on one end and a carboxyl group on the other end
- type of mixture in which all the components are evenly distributed
- attraction between molecules of the same substance
- protein catalyst that speeds up the rate of specific biological reactions
- type of bond between atoms in which the electrons are shared
- process that changes, or transforms, one set of chemicals into another set of chemicals
- reactant of an enzyme-catalyzed reaction
- the center of an atom, which contains the protons and neutrons
- material composed of two or more elements or compounds that are physically mixed together but not chemically combined
Down
- force of attraction between different kinds of molecules
- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
- macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
- substance that is dissolved in a solution
- chemical bond formed when one or more electrons are transferred from one atom to another
- smallest unit of most compounds that displays all the properties of that compound
- subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
- compound that prevents sharp, sudden changes in pH
- mixture of water and non-dissolved material
- compound made of carbon, hydrogen, and oxygen atoms; types of nutrients that are the major source of energy to the body
- compound that produces hydroxide ions (OH-) in solution; solution with a pH of more than 7
- the basic unit of matter
- elements or compounds produced by chemical reactions
- substance formed by the chemical combination of two or more elements in definite proportions
- small chemical unit that makes up a polymer
- scale used to measure the concentration of H+ ions in a solution
- one of several forms of a single element, which contains the same number of protons but different number of neutrons
- compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
- molecule composed of many monomers; makes up macromolecules
- dissolving substance in a solution
- substance that speeds up the rate of a chemical reaction
38 Clues: the basic unit of matter • dissolving substance in a solution • reactant of an enzyme-catalyzed reaction • substance that is dissolved in a solution • atom that has a positive or negative charge • mixture of water and non-dissolved material • small chemical unit that makes up a polymer • compound that prevents sharp, sudden changes in pH • ...
Chemistry 2023-05-08
Across
- Mass number = number of ________
- Bond between two metals
- Decay where a neutron changes to a proton and electron
- Material made of only one substance
- Location of most mass of an atom
- Reaction type where new substance is formed
- Type of covalent bond where sharing isn't equal
- Using mass or moles of one substance to find mass or moles of another substance
- Reaction type where substance doesn't change
- 6.022 x 10^23, unit of measure of molecules in a substance
- Bond where metal takes electrons from nonmetal
Down
- Bond where two nonmetals share electrons
- Decay where only energy is released
- Material made of two or more substances
- The _____ of all substances in a reaction must be equal
- All flammable objects catch fire
- Number of protons = atomic ________
- Reaction where a hydrocarbon and oxygen combine to make water and carbon dioxide
- Decay where a helium nucleus is produced
- Row on the periodic table
20 Clues: Bond between two metals • Row on the periodic table • Mass number = number of ________ • All flammable objects catch fire • Location of most mass of an atom • Decay where only energy is released • Material made of only one substance • Number of protons = atomic ________ • Material made of two or more substances • Bond where two nonmetals share electrons • ...
Austin Oler... Science Changes in Matter 2024-05-16
Across
- mg,ir,h,o,cl
- smallest unit of matter
- heat of something
- heat releasing
- elements combining together
- anything that takes up space
- heat absorbing
- solution of more than one elements
- a product of mixing
- ability to work or be active
Down
- smallest part of a substance
- amount of space used by matter
- liquid,solid,gas
- molecules trying to stick together
- elements change when combined with another in a reaction
- study of matter and chemicals
- temperatures
- A process where elements combine for a chemical _
18 Clues: mg,ir,h,o,cl • temperatures • heat releasing • heat absorbing • liquid,solid,gas • heat of something • a product of mixing • smallest unit of matter • elements combining together • smallest part of a substance • anything that takes up space • ability to work or be active • study of matter and chemicals • amount of space used by matter • molecules trying to stick together • ...
Acids Bases and Salts 2025-09-04
Across
- equation showing only the ions that change in a reaction
- technique to separate an insoluble solid from a liquid
- substance that forms hydrogen ions (h⁺) in water and donates protons
- mixture of indicators showing a full range of ph colours
- process that releases heat to the surroundings
- chemical reaction written with words instead of formulas
- symbol equation with equal numbers of each atom on both sides
- pictogram used to warn about chemical dangers
- able to dissolve in a solvent like water
- method to obtain pure crystals of a dissolved salt by evaporation and cooling
- not able to dissolve appreciably in a solvent
- reaction of an acid with a base forming a salt and water
- acid that only partially ionises in water
- calcium hydroxide solution used to test for carbon dioxide
- test for hydrogen gas using a lit splint to hear a pop
- basic oxide reacting with acids to form a salt and water
- alkali that only partially dissociates to release oh⁻ ions
- ionic compound formed when the h⁺ of an acid is replaced by a metal or ammonium ion
- dye that changes colour depending on acidity or alkalinity
- bubbling observed when a gas such as carbon dioxide is produced
- chemical that causes inflammation or discomfort on contact
- technique to find concentration by reacting with a standard solution
- h⁺ ion responsible for acidity in aqueous solutions
- oh⁻ ion responsible for alkalinity in aqueous solutions
Down
- carbon-based acid like ethanoic acid that partially ionises in water
- common weak alkali nh₃ used to make ammonium salts
- substance that neutralises excess stomach acid
- chemical that can destroy living tissue or materials
- compound containing the co₃²⁻ ion that reacts with acids to give co₂
- solution with a relatively small amount of solute per volume
- indicator red in acid, orange near neutral, and yellow in alkali
- point where acid and base have reacted in exact stoichiometric amounts
- a base that dissolves in water to give hydroxide ions (oh⁻)
- formation of an insoluble solid during a reaction
- chemical reaction written using chemical formulas
- guidelines predicting whether common salts are soluble or insoluble
- numerical scale from 0 to 14 showing acidity or alkalinity, with 7 as neutral
- simple indicator turning red in acid and blue in alkali
- describes a solution with ph 7 and equal amounts of h⁺ and oh⁻
- acid that fully ionises in water
- substance that reacts with an acid by accepting h⁺ ions
- alkali that fully dissociates to release oh⁻ ions
- base or alkali that reacts with acids to form a salt and water
- inorganic acid such as hydrochloric, sulfuric, or nitric acid
- nh₄⁺ ion found in salts formed with acids
- stage where the indicator shows the titration is complete
- solution with a relatively large amount of solute per volume
- process of removing solvent by heating to leave dissolved solids
48 Clues: acid that fully ionises in water • able to dissolve in a solvent like water • acid that only partially ionises in water • nh₄⁺ ion found in salts formed with acids • pictogram used to warn about chemical dangers • not able to dissolve appreciably in a solvent • substance that neutralises excess stomach acid • process that releases heat to the surroundings • ...
Neutralisation Reactions 2017-05-25
Across
- bases feel ...
- name of the reaction between an acid and a base
- Neutralisation reaction produce water and this compound
- the name of the ions bases release in water
- name of a base that dissolves in water
- name of the salt formed when nitric acid reacts with lead hydroxide
- the element which all acids contain
Down
- salt formed when hydrochloric acid reacts with calcium hydroxide
- colour of a neutral solution in universal indicator
- The type of acid found in oranges
- These chemicals have a sour taste
- name of the acid formed when sulfuric acid reacts with zinc hydroxide
- chemical name for table salt
- number of Hydrogen atoms in a water molecule
- This scale is used to measure the strength of acids and bases
- One of the two products of a neutralisation reaction
- pH of a solution at the end of a neutralisation reaction
- colour of strong acids in universal indicator
18 Clues: bases feel ... • chemical name for table salt • The type of acid found in oranges • These chemicals have a sour taste • the element which all acids contain • name of a base that dissolves in water • the name of the ions bases release in water • number of Hydrogen atoms in a water molecule • colour of strong acids in universal indicator • ...
Balancing Equations 2012-02-25
Across
- Are placed in front of the symbol;is balanced by changing or adding______
- Substance that undergoes a change in a chemical reaction.
- A substance that speeds up the rate of a reaction but that is not used up in the reaction.
- Mass can neither be created nor destroyed
Down
- A starting substance in a chemical reaction
- Separates the formulas of the (reactants on the left) from the formulas of the products (on the right) ex: Fe+ O2 Fe2 O3
- Each side of the equation has the same number of atoms of each element.
- Chemical equation that does not indicate the relative amounts of the reactants and products involved in the reaction
8 Clues: Mass can neither be created nor destroyed • A starting substance in a chemical reaction • Substance that undergoes a change in a chemical reaction. • Each side of the equation has the same number of atoms of each element. • Are placed in front of the symbol;is balanced by changing or adding______ • ...
Mixtures & Compounds and Chemical Changes 2021-04-05
Across
- A change of matter that occurs when atoms link together in a new way, creating a new substance different from the original substances.
- A substance that is formed by the chemical combination of two or more elements.
- A substance that dissolves one or more other substances to form a solution.
- a type of mixture in which the particles of one material are scattered through another and block the passage of light without setting out.
- A solid formed by the chemical reaction of two solutions.
- A substance at the end of a chemical reaction.
Down
- The process of separating the parts of a mixture by evaporation and condensation.
- An original substance at the beginning of a chemical reaction.
- A substance that is dissolved by another substance to form a solution.
- A physical combination of two or more substances that are blended together without forming new substances.
- a solution of a metal and at least one other solid which is often also a metal.
- A mixture of substances that are blended so completely that the mixture looks the same everywhere.
12 Clues: A substance at the end of a chemical reaction. • A solid formed by the chemical reaction of two solutions. • An original substance at the beginning of a chemical reaction. • A substance that is dissolved by another substance to form a solution. • A substance that dissolves one or more other substances to form a solution. • ...
Chem 2023-11-16
Across
- A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds
- the process of becoming an acid or the act of making something become an acid
- the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
- H₂CO₃
- the plants, animals, and other organisms that live in the salt water of seas or oceans
Down
- When a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
- a principle of chemistry used to predict the rates of chemical reactions
- the abundance of a constituent divided by the total volume of a mixture
- CO2
- A state in which the rate of the forward reaction equals the rate of the backward reaction
- a measure of how acidic/basic water is
- a process that leads to the chemical transformation of one set of chemical substances to another.
12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...
Body Fluid - Blood recap 2025-01-12
Across
- type of confirmatory test for blood where feathered shape crystals form if human blood is detected
- component of blood that sticks to each other to form a barrier around a wound
- type of chemical test that indicates a class of compounds
- types of cells that are the precursors of all the cells in the body
- chemical reaction at the basis of KM and LMG tests where the heme group acts as a catalyst facilitating the reaction of the colourless reduced forms of phenolphthalein and malachite green to their coloured forms
- type of blood where fibrin has been removed
Down
- a test result which wrongly indicates that a particular condition or attribute is present (2 words separated by a dash)
- disease where blood doesn't coagulate because of missing factors within the clotting pathways
- consecutive enzyme activation process that leads to formation of barrier to stop the bleeding (2 words separated by a dash)
- type of test where a chemical is emitting light during a chemical reaction
- proteins that form a clot
- only blood component that doesn't contain DNA
12 Clues: proteins that form a clot • type of blood where fibrin has been removed • only blood component that doesn't contain DNA • type of chemical test that indicates a class of compounds • types of cells that are the precursors of all the cells in the body • type of test where a chemical is emitting light during a chemical reaction • ...
MOD 140 2011-11-30
Across
- Thin layer of debris on newly prepared dentin.
- Round
- Foundation or the basic ingredient of a material.
- Hardenor set by chemical reaction of two materials.
- To remove all moisture from an item or to dry out.
- To subject a material to the bonding process of two or more monomers.
- Reproduction of patients bite with use of wax or elastrometric material.
- Compound of many molecules.
- Chemical agent used to prepare a tooth surface for a dental material.
- To mix using a spatula type instrument.
- Foundation that binds a substance together continuous phases in which particles of filler are dispersed in composite resin
- TO cause something to scatter or to become dispersed and gradually disappears.
Down
- Relating to heat.
- Chemical process which crystals form a structure.
- Preserved or finished by chemical or physical process.
- An object moved vertically to pound or pulverize a material.
- Prefix meaning water.
- Relates to gypsum products indicating two parts of water to one part of calcium sulfate
- Preventing the passege of the heat or electricity.
- Substance that can evaporate easily and very explosive.
- Mineral used in formation of plaster of paris and stnoe
- realese of heat by chemical reaction.
- The process of mixing an alloy with mercury to form an amalgam.
- Ability of two things to be held firmly together.
- To stick two items together
- Having a soothing effect.
- An alloy with one of the constituents being mercury.
- Loss of water causing something to shrink.
- Artistic pleasing and beautiful appearance.
29 Clues: Round • Relating to heat. • Prefix meaning water. • Having a soothing effect. • Compound of many molecules. • To stick two items together • realese of heat by chemical reaction. • To mix using a spatula type instrument. • Loss of water causing something to shrink. • Artistic pleasing and beautiful appearance. • Thin layer of debris on newly prepared dentin. • ...
Chemical Reactions 2016-04-24
Across
- All substances found to the right of the arrow.
- Combustion reactions that occur where the oxygen supply is somewhat limited.
- A chemical that is added to the reaction to speed it up but is not changed itself.
- This type of natural decay gives of an alpha particle or a helium nucleus.
- Type of displacement where one element in a compound is displaced or replaced by another similar element.
- Where two lighter nuclei come together or one nuclei absorbs a high energy particle often causing the release of several neutrons and high energy.
- The reaction of a substance with oxygen to form the most common oxide of the compound.
Down
- One complex substance breaks down into two or more simple substances.
- Combustion reactions that occur with a full supply of oxygen.
- All substances found to the left of the reaction arrow.
- The three types of reactions are chemical, physical and...
- Element at the top of the Activity Series.
- The number of basic types of general chemical reactions.
- Two or more simple substances to form one complex substance.
- Least reactive element of the Activity Series.
- This type of natural decay is the giving off of a particle that has no mass and no charge.
16 Clues: Element at the top of the Activity Series. • Least reactive element of the Activity Series. • All substances found to the right of the arrow. • All substances found to the left of the reaction arrow. • The number of basic types of general chemical reactions. • The three types of reactions are chemical, physical and... • ...
CHEMICAL REACTIONS AND EQUATIONS 2021-06-07
Across
- Starting materials/substrates in a chemical reaction.
- Reaction in which energy is absorbed.
- Reaction in which energy is released.
- Addition of hydrogen.
Down
- Double displacement reaction is also known as..........reaction.
- Packaged food items are flushed with this gas.
- Corrosion of iron is also known as......
- Respiration is a .............reaction.
- Addition of oxygen.
- Reaction in which both Reduction and oxidation takes place simultaneously.
10 Clues: Addition of oxygen. • Addition of hydrogen. • Reaction in which energy is absorbed. • Reaction in which energy is released. • Respiration is a .............reaction. • Corrosion of iron is also known as...... • Packaged food items are flushed with this gas. • Starting materials/substrates in a chemical reaction. • ...
IV Medications 2014-03-11
Across
- a tube that goes into a peripheral vein
- fluid with the same saltyness as the body
- medicinal chemical
- severe allergic reaction
- fluid in the tissues
- into the vein
- a bacterial infection
- a clump of blood cells
- inflammation of the vein
Down
- a fluid regulating chamber
- machine that regulates flow
- when 2 drugs cannot be mixed together
- a line that goes directly into the subclavian vein
- antibacterial agent
- composed of RBC WBC plasma platelettes etc
- unwanted side effect
- decrease the concentration
- a bubble
18 Clues: a bubble • into the vein • medicinal chemical • antibacterial agent • fluid in the tissues • unwanted side effect • a bacterial infection • a clump of blood cells • severe allergic reaction • inflammation of the vein • a fluid regulating chamber • decrease the concentration • machine that regulates flow • when 2 drugs cannot be mixed together • a tube that goes into a peripheral vein • ...
photostn n thesis 2023-10-19
Across
- formula for carbon dioxide
- its green
- whats needed for the reaction to take place
- substances that are formed from chemical reaction
- a type of energy
- plants make it
- little mouth
- plants breathe it out
- green pigment
- formula for water
Down
- organelle where photosynthesis takes place
- plants need it to make energy
- when plants make their own food
- dioxide plants breathe it in
- plants need it to grow
- distributes water to plant
- formula for glucose
- formula for oxygen
18 Clues: its green • little mouth • green pigment • plants make it • a type of energy • formula for water • formula for oxygen • formula for glucose • plants breathe it out • plants need it to grow • formula for carbon dioxide • distributes water to plant • dioxide plants breathe it in • plants need it to make energy • when plants make their own food • organelle where photosynthesis takes place • ...
Chemical Reactions 2024-05-03
Across
- a natural process that converts a refined metal into a more chemically stable oxide.
- Process Of the addition of oxygen or reduction of hydrogen
- Reaction in which one reactant gets oxidised while the other gets reduced
- 2Ag+Cl2
- Chemical Formula Of Dichromate(no need of valency)
- Reaction In which acid and Base react to form salt and water
- a type of chemical reaction that involves a transfer of electrons between two species.
- TetraValent Cation
- Substance which prevents oxidation
Down
- Reaction In which a substance decomposes under the influence of light
- Bivalent Anion
- Reaction In which insoluble salts are formed by the exchange of ions
- what forms when calcium carbonate reacts with carbon di oxide in air
- solution in which the solvent is water.
- a condition in which aerial oxidation of unsaturated fat present in food gives it an unpleasant flavour and odour
- Reaction In which two or more simpler substances combine to form a product
- Quick Lime + water ---> ________ + Heat
17 Clues: 2Ag+Cl2 • Bivalent Anion • TetraValent Cation • Substance which prevents oxidation • solution in which the solvent is water. • Quick Lime + water ---> ________ + Heat • Chemical Formula Of Dichromate(no need of valency) • Process Of the addition of oxygen or reduction of hydrogen • Reaction In which acid and Base react to form salt and water • ...
Chemistry Lab 2025-11-07
Across
- A reaction that absorbs heat.
- A reaction that produces heat
- A substance that increases the speed of a reaction without being consumed.
- A tool used to measure small amounts of liquid precisely.
- A reaction between an acid and a base that forms salt and water.
- A glass container used to mix and heat substances.
- A process in which electrons are lost.
Down
- The process of separating a solid from a liquid using paper
- A narrow glass tube used to deliver measured volumes of liquid
- A solid substance formed in a solution during a chemical reaction.
- A clear, homogeneous mixture of two or more substances.
- A process in which electrons are gained.
- The substance that is dissolved in a solvent.
- The process of converting a liquid into vapor.
- The smallest unit of an element.
- A piece of equipment used to heat substances in the laboratory.
16 Clues: A reaction that absorbs heat. • A reaction that produces heat • The smallest unit of an element. • A process in which electrons are lost. • A process in which electrons are gained. • The substance that is dissolved in a solvent. • The process of converting a liquid into vapor. • A glass container used to mix and heat substances. • ...
Properties 2023-11-30
10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction
Earth Systems 2022-01-13
Across
- formed as a result of a chemical reaction
- any class of soluble, crystalline, typically sweet carbohydrate
- found in lipids
- Reaction absorb heat
- doesn't contain the most highest number of hydrogen atoms
- class of sugar whose molecules contain two monosaccharide residues
- substance insoluble in water but soluble in alcohol, ether, and chloroform
- organic molecules consisting on a nucleoside and a phosphate.
- Energy minimum quantity of energy
- a carbohydrate whose molecules consist of a number of sugar molecules bonded together
- Acid broken down fats absorbed into blood
Down
- large, complex molecules
- class of sugar that cannot be broken down
- contains the most highest number of hydrogen atoms
- substance on which an enzyme acts
- substance produced by a living organism which acts as a catalyst to make a specific biochemical reaction
- Reaction release heat
- Acid long chainlike molecules composed of nucleotides
- molecule that can be broken down for energy
- Acid combine to form proteins
20 Clues: found in lipids • Reaction absorb heat • Reaction release heat • large, complex molecules • Acid combine to form proteins • substance on which an enzyme acts • Energy minimum quantity of energy • class of sugar that cannot be broken down • formed as a result of a chemical reaction • Acid broken down fats absorbed into blood • molecule that can be broken down for energy • ...
Y9 Chemistry 2026-02-11
Across
- A vertical column in the periodic table.
- A neutral solution has a pH of _______.
- A reaction that releases energy to the surroundings.
- A positively charged subatomic particle.
- Method used to separate substances based on their solubility.
- Method used to separate two liquids based on their boiling points.
- The reaction between an acid and a base.
Down
- Two or more substances not chemically bonded.
- Group 7 elements are called ________.
- The centre of an atom.
- This is used to test pH by colour change.
- What is transferred during chemical reactions?
- Method used to separate an insoluble solid from a liquid.
- A substance made up of two or more elements chemically bonded together.
- A horizontal row in the periodic table.
- Reaction involving oxygen that releases energy.
- A reaction that takes in energy from the surroundings.
- Substances with a pH less than 7.
- A substance made up of only one type of atom.
- Group 0 elements are known as ______ gases.
20 Clues: The centre of an atom. • Substances with a pH less than 7. • Group 7 elements are called ________. • A neutral solution has a pH of _______. • A horizontal row in the periodic table. • A vertical column in the periodic table. • A positively charged subatomic particle. • The reaction between an acid and a base. • This is used to test pH by colour change. • ...
Properties 2023-11-30
10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction
Waste-to-Energy 2021-05-31
Across
- form of waste (trees)
- where the waste is burned
- to use again
- other product of combustion
- product of combustion
- types of energy that are good for the environment
- uses MSW fuel
- garbage
- chemical reaction that occurs during waste-to-energy process
- form of emissions that are bad for the environment
- form of waste(grass)
- When waste is used to create energy
Down
- MSW product
- waste used in waste to energy
- product of combustion
- name of MSW plants
- other location that waste can go to
- capacity for doing work
- chemical needed for waste to be eligible to be MSW
- other chemical needed for waste to be eligible to be MSW
20 Clues: garbage • MSW product • to use again • uses MSW fuel • name of MSW plants • form of waste(grass) • form of waste (trees) • product of combustion • product of combustion • capacity for doing work • where the waste is burned • other product of combustion • waste used in waste to energy • other location that waste can go to • When waste is used to create energy • ...
Physical Science Review Puzzle 2025-11-18
Across
- A type of Pure Substance that is made up of two or more elements bonded together
- A measurement of the acidity of a substance
- This number provides the number of protons and neutrons in the nucleus of an atom
- The type of element that typically loses electrons to become stable
- When the total number of atoms on both sides of a reaction are equal, that reaction is ______________
- These elements do not form ions
- The only family the is chemically stable
- What element has 3 energy levels and 2 valence electrons?
- A form of matter where all particles that make it up are the same type
- Name for a positively charged ion
- A measurement of the rate at which a substance flows
- A bond between a metal and a nonmetal
- As an ion this element has 17 protons and 18 electrons
- Name for a negatively charged ion
- Any substances that are made as a result of a chemical reaction
- A type of Pure Substance that is made up of single particles all of the same type
- What element has 9 protons, 10 neutrons and 9 electrons?
- A group of elements that have similar chemical properties and the same valence electrons
- A type of mixture where one substance dissolves in another
- The area of the atom where electrons are located
- The most reactive family of metals
- A group of elements that have the same number of valence electrons
- The electrons that are found in the outermost energy level of an atom
- As an ion this element has 11 protons and 10 electrons
- This number provides the number of protons and electrons in a neutral atom
- A form of matter where a variety of different particles make it up.
Down
- The number in front of a compound indicating how many molecules of that compound you have
- A change of matter that produces a new substance with entirely new chemical properties
- A measurement of the mass to volume ratio of a substance
- The area of the atom where protons and neutrons are located
- The term used to describe the charge of an atom as an ion
- A type of mixture where the different parts of the mixture remain separate and are easily observed.
- The number below an element in a chemical formula that indicates how many atoms of that element there are
- The overall charge of the nucleus of an atom
- The type of element that typically gains electrons to become stable
- The total mass in a reaction cannot be created or destroyed, but it can take on different forms.
- A bond between two or more nonmetals
- A change in matter that does not alter the chemical composition of the substance, only its appearance
- In an ionic bond the _________ always transfers valence electrons to the ______________
- The most reactive family of nonmetals
- In a covalent bond the valence electrons are ________ by the elements that bond.
- Any substances that take part in a chemical reaction
42 Clues: These elements do not form ions • Name for a positively charged ion • Name for a negatively charged ion • The most reactive family of metals • A bond between two or more nonmetals • A bond between a metal and a nonmetal • The most reactive family of nonmetals • The only family the is chemically stable • A measurement of the acidity of a substance • ...
Properties 2023-11-30
10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction
Unit 7 Vocabulary - Chemical Reactions 2024-01-19
Across
- A chemical reaction where iron reacts with oxygen and water to form iron oxide (rust).
- The change in position of an object.
- The process by which the body breaks down food into simpler substances for use by the body.
- A chemical reaction (combustion) that occurs when a substance reacts with oxygen, releasing heat and light.
- A form of energy that is transferred between objects due to a temperature difference.
Down
- A process that involves chemical changes in food, often involving heat.
- A measure of the average kinetic energy of the particles in a substance.
- The tendency of a substance to undergo chemical reaction, either by itself or with other materials.
- The set of chemical reactions in a living organism that maintain life, including the breakdown of nutrients for energy and the synthesis of necessary compounds.
9 Clues: The change in position of an object. • A process that involves chemical changes in food, often involving heat. • A measure of the average kinetic energy of the particles in a substance. • A form of energy that is transferred between objects due to a temperature difference. • A chemical reaction where iron reacts with oxygen and water to form iron oxide (rust). • ...
Chemistry 2021-10-21
Across
- something that can be observed about a substance, such as color, smell, or boiling point
- an ending substance that is made during a chemical reaction
- a process in which atoms rearrange to form new substances
- a group of atoms joined together in a particular way
- something that is made of all the same atoms or groups of atoms
- - substance made up of two or more elements
Down
- the temperature at which a substance changes from the solid phase to the liquid phase
- An attraction between atoms that forms chemical substances
- a substance that is added to soil to help plants grow
- a starting substance that is part of a chemical reaction
- the relative size of things
- tiny pieces that all matter—all the stuff in the world—is made of
- A pure chemical substance made up of one type of atom
- an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
14 Clues: the relative size of things • - substance made up of two or more elements • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • A pure chemical substance made up of one type of atom • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • ...
Judah Lemke's Ch2 crossword. 2018-10-01
Across
- An organic compound comprised of the ele ments carbon, hydrogen, and oxygen; includes sugars, starch and cellulose
- A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
- The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life
- A class of simple organic compounds important in living things as a source of both energy and structure.
- The building block of matter; the smallest possible particle of an element.
- 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 pure substance made of only one kind of atom.
- The tendency of energy to disperse and become less available to do work
Down
- A naturally occurring catalyst, usually a protein.
- A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
- A substance that is present before a chemical reaction and takes part in it, usually shown on the lefthand side of a chemical equation.
- A measurement of the average speed of the particles within a substance.
- A class of organic compounds that serve as the building blocks of proteins.
- A pure substance made from two or more elements that are chemically combined.
- A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
- The attraction of particles in one substance for particles in a different substance.
- An attraction between two atoms as a result of sharing or transferring valence electrons.
- A class of nonpolar organic compounds that are in soluble in water and are used for energy storage and cell membranes in living things.
- The substances formed during a chemical reaction, usually indicated on the righthand side of a chemical equation.
20 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The attraction between like particles within polar substances. • A measurement of the average speed of the particles within a substance. • The tendency of energy to disperse and become less available to do work • ...
Cells as basic unit of life 2022-06-23
Across
- give energy for reaction
- contract and relax to enable movement
- multicells
- unicell plant
- movement substances in and out
- control opening and closing of stoma
- medium for chemical reaction
Down
- support shape
- unicell animal and plant
- multicells
- layer to protect organs
- Absorb light energy for photosynthesis
- unicell animal
- multicells
14 Clues: multicells • multicells • multicells • support shape • unicell plant • unicell animal • layer to protect organs • give energy for reaction • unicell animal and plant • medium for chemical reaction • movement substances in and out • control opening and closing of stoma • contract and relax to enable movement • Absorb light energy for photosynthesis
Atomic Structure Vocabulary (use ^ for a space) 2021-01-18
Across
- a characteristic of a pure substance that can be observed without changing it into another substance
- a change in a substance that does not involve a change in the identity of the substance
- word part meaning one (1)
- word part meaning four (4)
- word part meaning eight (8)
- matter is not created nor destroyed in any chemical or physical change
- word part meaning alchemy or transformation of matter
- word part meaning six (6)
- a substance that decreases the hydrogen ion concentration in a solution
- an element that is a good conductor of heat and electric current
- word part meaning nine (9)
Down
- a characteristic of a pure substance that describes its ability to change into different substances
- a change in matter that produces one or more new substances
- word part meaning ten (10)
- the elements or compounds produced by a chemical reaction
- word part meaning five (5)
- word part meaning two (2)
- an element that may accept or donate electrons readily and possess a mixture of metallic and nonmetallic properties
- group 18 on the periodic table
- starting material in a chemical reaction
- word part meaning three (3)
- word part meaning belonging to nature or medicine
- an element that is usually dull in appearance, a poor conductor of heat and electricity, and a gas at room temperature
- a substance that increases the hydrogen ion concentration of a solution
- word part meaning seven (7)
25 Clues: word part meaning two (2) • word part meaning one (1) • word part meaning six (6) • word part meaning ten (10) • word part meaning five (5) • word part meaning four (4) • word part meaning nine (9) • word part meaning three (3) • word part meaning eight (8) • word part meaning seven (7) • group 18 on the periodic table • starting material in a chemical reaction • ...
Chapter 3 section 2 2021-10-06
Across
- lighting
- it burns
- rain water
- you put it in your car
- physical changes
- states the total mass before a chemical reaction.
- the
- you see through it
Down
- life sustaining beverage
- A change in the size,shape,form, or state of matter
- what matters most.
- can form during both a physical change and a chemical change.
- ice cream that is to warm is
- very hot water
- you measure and weight with this
- disappearing substances is water
- is a change in matter in which the substances that make up the matterchange into other substances with different chemical and physical properties.
- something changing color
- frozen water
19 Clues: the • lighting • it burns • rain water • frozen water • very hot water • physical changes • what matters most. • you see through it • you put it in your car • life sustaining beverage • something changing color • ice cream that is to warm is • you measure and weight with this • disappearing substances is water • states the total mass before a chemical reaction. • ...
physical science 2023-08-22
Thermochemistry Vocabulary 2022-12-13
Across
- (heat) of
- the standard unit of energy in electronics and general scientific applications
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- the change in enthalpy associated with a particular chemical process
- accompanied by the release of heat.
- heat of vaporization the heat absorbed by one mole of a substance as it is converted from a liquid to a gas
- (heat) of reaction The enthalpy change that accompanies a chemical reaction
- A measurement of the energy content of food
Down
- energy energy which a body possesses by virtue of being in motion
- heat the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree
- heat of fusion the heat absorbed by one mole of that substance as it is converted from a solid to a liquid
- the quality of being hot; high temperature
- the field of science that deals with the measurement of the state of a body with respect to the thermal aspects in order to examine its physical and chemical changes
- the branch of thermodynamics that focuses on changes occurring during chemical reactions
- of conservation of energy the amount of energy is neither created nor destroyed
- a body temperature above the normal; fever.
- power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
- potential energy the energy stored in the chemical bonds of a substance
- energy the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
- the heat energy given out when one mole of a substance burns completely in oxygen.
21 Clues: (heat) of • accompanied by the release of heat. • the quality of being hot; high temperature • a body temperature above the normal; fever. • A measurement of the energy content of food • the change in enthalpy associated with a particular chemical process • potential energy the energy stored in the chemical bonds of a substance • ...
C1 Keyword Crossword 2025-07-16
Across
- a table of all the chemical elements in order of their atomic numbers
- atoms with the same number of protons but different numbers of neutrons
- within the periodic table the vertical columns are called...
- the metals in Group 1 of the periodic table
- chemical that speeds up a reaction but is not used up by the reaction
- the density of a substance is its mass divided by its volume
- two or more elements which are chemically joined together, e.g. H2O
- a property of matter, charge exists in two forms, positive and negative, which attract each other
- two or more atoms covalently bonded to form the smallest unit of an element or compound, e.g. O2, H2O
- particle which does not have a charge found in the nucleus of an atom
- shiny
- the number of protons in the nucleus of an atom
- central part of an atom that contains protons and neutrons
Down
- reaction chemical reaction where an element takes the place of or ‘pushes out’ another element from a compound
- elements with properties of both metals and non-metals; in the periodic table they are between metals and non-metals
- small negatively charged particles within an atom that are outside the nucleus
- a row in the periodic table
- a method for separating substances, used to identify compounds and check for purity
- positively charged particles found in the nucleus of an atom
- compounds which produce hydroxide ions in water
- materials that let electricity pass through them
- used to show pH of a solution or when the end point of a titration is reached
- substances made out of only one type of atom with the same number of protons in the nucleus
- the process of using a porous material to remove solids from water or solutions
- reactive non-metals in Group 7 of the periodic table, e.g. chlorine
- charged particles (can be positive or negative)
26 Clues: shiny • a row in the periodic table • the metals in Group 1 of the periodic table • compounds which produce hydroxide ions in water • charged particles (can be positive or negative) • the number of protons in the nucleus of an atom • materials that let electricity pass through them • central part of an atom that contains protons and neutrons • ...
Nuclear and Chemical Reactions 2025-10-28
Across
- opposite forces/charges will _______
- like forces/charges will ______
- splitting a nucleus into 2 or more smaller nuclei
- nuclear force that results in radioactive decay of atoms, releases energy
- process in which 2 nuclei combine or collide
- 1 evidence of a chemical change also known as temperature change
- 1 evidence of a chemical change that causes reaction to fizz
Down
- 2 liquid combine to form a solid
- 2 or more nuclei combining to form a nucleus of greater mass
- a small amount of mass can be converted into a large amount of energy
- change of 1 or more substances into a new substance with a different identity
- radiation is lost from an atom because nucleus is unstable
- nuclear force that binds protons and neutrons together in a nucleus
- 1 evidence of a chemical change that causes reaction to smell
14 Clues: like forces/charges will ______ • 2 liquid combine to form a solid • opposite forces/charges will _______ • process in which 2 nuclei combine or collide • splitting a nucleus into 2 or more smaller nuclei • radiation is lost from an atom because nucleus is unstable • 2 or more nuclei combining to form a nucleus of greater mass • ...
Chemboggle 2012-12-12
Across
- Group of the same type of orbitals
- Atoms of an element with a different number of neutrons
- A species that is a proton acceptor
- A species that is a proton donor
- Oxidation and reduction
- A measure of the tendency of an atom to attract a bonding pair of electrons
- A hydrocarbon with single bonds only
- The opposite of a condensation reaction
- The amount of a specified substance in a unit amount of another
Down
- Simplest whole number ratio of atoms in an element
- The acidity of a solution
- Measure of pressure
- (s) (aq) (g)
- Loss of electrons
- A substance that increases the rate of a chemical reaction without being used up in the process
- Molar relationship between quantities of substances taking part in a reaction
- A reaction that gives off heat
- Measure of the disorder of a system
18 Clues: (s) (aq) (g) • Loss of electrons • Measure of pressure • Oxidation and reduction • The acidity of a solution • A reaction that gives off heat • A species that is a proton donor • Group of the same type of orbitals • A species that is a proton acceptor • Measure of the disorder of a system • A hydrocarbon with single bonds only • The opposite of a condensation reaction • ...
Electrochemistry Crossword 2025-04-04
Across
- Ion that goes toward the Anode Electrode
- Non-spontaneous and requires an outside power source
- Electrode that undergoes oxidation and gradually loses mass
- What allows ions to migrate during a Voltaic Cell Reaction
- Which element is being reduced in Sn^2+(aq) + 2Fe^3+(aq) --> Sn4+(aq) + 2Fe^2+(aq)
- What is the name of the two metals in a Voltaic Cell Reaction
- Process of losing an electron
- Reaction with Oxidation and Reduction
- 96485 Coulombs/1 mole e-
Down
- ΔG = -nFE
- Unit, which studies the relationship of Electric Energy and Chemical Energy
- One part of a Redox Reaction after separating them
- Spontaneous, needs a salt bridge, produces electrical energy
- Electrode that undergoes reduction, and gradually gains
- ΔG = ΔG°+ (RT/nF)lnQ
- Process of gaining an electron
- Difference between the Cathode and Anode Cell Potential
- Ion that goes towards the Cathode Electrode
18 Clues: ΔG = -nFE • ΔG = ΔG°+ (RT/nF)lnQ • 96485 Coulombs/1 mole e- • Process of losing an electron • Process of gaining an electron • Reaction with Oxidation and Reduction • Ion that goes toward the Anode Electrode • Ion that goes towards the Cathode Electrode • One part of a Redox Reaction after separating them • Non-spontaneous and requires an outside power source • ...
Rates of reaction 2024-09-25
Across
- of reaction The net change of chemical potential energy of a system.
- rate The change in concentration per unit time of either a reactant or product.
- activated complex A temporary transition state between the reactants and the products.
- reactions Reactions which transfer potential energy into thermal energy.
Down
- reactions Reactions which transfer thermal energy into potential energy.
- energy The minimum energy required to start a chemical reaction.
- principle When an external stress (change in pressure, temperature, or concentration) is applied to a system in chemical equilibrium, the equilibrium point will change to counteract the stress.
- A substance that increases the rate of reaction but remains unchanged at the end of the reaction.
8 Clues: energy The minimum energy required to start a chemical reaction. • reactions Reactions which transfer thermal energy into potential energy. • of reaction The net change of chemical potential energy of a system. • ...
Chemical Reactions and Balancing Vocabulary 2023-06-28
Across
- Reaction - a reaction in which a compound breaks down into two or more simpler substances.
- Replacement - a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
- - The numbers placed in front of formulas to balance equations are called coefficients, and they multiply all the atoms in a formula.
- - The substance(s) to the left of the arrow in a chemical equation are called reactants.
Down
- Reaction - occurs when two or more reactants combine to form a single product.
- - a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
- - A product is a substance that is present at the end of a chemical reaction.
- Replacement - a reaction in which one element is substituted for another element in a compound.
8 Clues: - A product is a substance that is present at the end of a chemical reaction. • Reaction - occurs when two or more reactants combine to form a single product. • - The substance(s) to the left of the arrow in a chemical equation are called reactants. • Reaction - a reaction in which a compound breaks down into two or more simpler substances. • ...
Chapter 9 vocab 2024-01-25
Across
- the substance that is not used up completely in a reaction
- the reactant that limits the amount of the other reactants that can combine and the amount of product that can form in a chemical reaction
- the mass relationships of elements in compounds
Down
- the mass relations between reactants and products in a chemical reaction
- the ratio of the actual yield to the theoretical yield, multiplied by 100
- a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
- the maximum amount of product that can be produced from a given amount of reactant
- the measured amount of a product obtained from a reaction
8 Clues: the mass relationships of elements in compounds • the measured amount of a product obtained from a reaction • the substance that is not used up completely in a reaction • the mass relations between reactants and products in a chemical reaction • the ratio of the actual yield to the theoretical yield, multiplied by 100 • ...
Thermal energy crossword 2024-02-02
Across
- the degree that water freezes at
- measures the average kinetic energy
- heating a pan on a stove
- the flow of energy from warmer places to cooler places
- object that is not moving
- materials that reacts with one another and form products
- materials that allow heat energy to move through them efficiently
Down
- materials that don't allow heat to pass through them.
- a chemical reaction that absorbs heat from its environment
- object in motion
- a chemical reaction that releases energy by light or heat
- a way in which heat travels
- heat or light from the sun
13 Clues: object in motion • heating a pan on a stove • object that is not moving • heat or light from the sun • a way in which heat travels • the degree that water freezes at • measures the average kinetic energy • materials that don't allow heat to pass through them. • the flow of energy from warmer places to cooler places • materials that reacts with one another and form products • ...
Unit 2 Make Up Assignment 2023-10-25
Across
- Positive particle that identifies an element
- These electrons are in the outermost shells in the electron cloud
- Elements in the same _____ have the same number of energy levels; these move left to right in the periodic table
- The ability an atom has to undergo or have a chemical reaction
- The law of conservation says that the mass of reactants and the mass of products remain the
Down
- Elements in the same _____ have the same number of energy levels; these move left to right in the periodic table
- Evidence of this type of reaction includes temperature change, bubbling, residue, etc.
- The elements on the left side of a chemical equation
- Evidence of this type of reaction includes boiling, freezing and melting
- Elements in the same ______ have similar chemical properties and the same number of valence electrons
10 Clues: Positive particle that identifies an element • The elements on the left side of a chemical equation • The ability an atom has to undergo or have a chemical reaction • These electrons are in the outermost shells in the electron cloud • Evidence of this type of reaction includes boiling, freezing and melting • ...
Animal Tissues, Organ, & Organ Systems 2024-02-01
Across
- A fluid made in the liver, stored by the gallbladder and released into the small intestine
- spreading of particles from an area of high concentration to low concentration
- The process of breaking large insoluble food molecules into small soluble ones
- Digestive enzyme that catalyses the breakdown of starch
- Substance that increases the speed of a reaction without being changed or used up
- Movement of particles from an area of low concentration to high using energy
- The part of an enzyme that the substrate binds to during an enzyme controlled reaction.
- An organ in the digestive system where water from undigested food is absorbed
- The chemical reactions that occur within a cell or in the body
- A chemical that tests for protein in food
- An organ in the digestive system which produces digestive enzymes.
Down
- large biological molecule made up of long chains of amino acids
- Chemical that tests for presence of starch
- Organ found in the digestive system with server so important roles including the production of bile
- chemical test that tests for lipids
- where a person has an excessive amount of body fat
- a chemical that tests for sugars in food
- When the active site of an enzyme has changed shape and the substance can no longer fit into it
- A digestive enzyme
- A type of digestive enzyme that catalyses the breakdown of proteins into amino acids.
- Disease caused by lack of a certain nutrient
- A digestive enzyme that catalyses the breakdown of lipids into fatty acids
- protein that acts as a biological catalyst
23 Clues: A digestive enzyme • chemical test that tests for lipids • a chemical that tests for sugars in food • A chemical that tests for protein in food • Chemical that tests for presence of starch • protein that acts as a biological catalyst • Disease caused by lack of a certain nutrient • where a person has an excessive amount of body fat • ...
Metabolism 2021-12-06
Across
- - what gets produced after cellular respiration
- - amino acids when it isn’t broken down
- of your body - where all of the molecules go to
- - where oxygen and glucose go to create a chemical reaction
- - food to keep you energized
- respiration - chemical reaction between glucose and oxygen
Down
- system - where the food goes
- - glucose when it isn’t broken down
- system - where you breathe air through
- - when your body doesn’t get the energy it needs
- - the body systems working together
- - the molecules you take in when you breathe
- system - the transporter that delivers all molecules to the cells
13 Clues: system - where the food goes • - food to keep you energized • - glucose when it isn’t broken down • - the body systems working together • system - where you breathe air through • - amino acids when it isn’t broken down • - the molecules you take in when you breathe • - what gets produced after cellular respiration • of your body - where all of the molecules go to • ...
Kendra, Chemistry, 3 2025-05-06
Across
- Combining two atoms together to make a new atom
- A stable isotope of hydrogen
- A famous jewelry Company/Owners name
- A positron with positive charge
- A radioactive isotope of hydrogen
- 2 neutrons and 2 protons
- Same number of protons but different numbers of neutrons
Down
- Breaking apart an atom into two new ones
- Same mass as an electron but is a positive charge
- The start of a chemical reaction
- Releases a unit of energy called a gamma particle
- neutron turns to a proton, an electron
- Substances that are formed in result of a chemical reaction
13 Clues: 2 neutrons and 2 protons • A stable isotope of hydrogen • A positron with positive charge • The start of a chemical reaction • A radioactive isotope of hydrogen • A famous jewelry Company/Owners name • neutron turns to a proton, an electron • Breaking apart an atom into two new ones • Combining two atoms together to make a new atom • ...
Photosynthesis 2022-04-27
Across
- used as energy
- a product of photosynthesis
- site where photosynthesis takes place
- H2O
- Taken in as a reactant
- Pigment that absorbs light
- light independent reaction
- used by plants for energy
Down
- organisms that make their own food
- controls gas exchange
- light dependent reaction
- diskstructure thataids inlight absorption
- where sun is converted to chemical energy
13 Clues: H2O • used as energy • controls gas exchange • Taken in as a reactant • light dependent reaction • used by plants for energy • Pigment that absorbs light • light independent reaction • a product of photosynthesis • organisms that make their own food • site where photosynthesis takes place • diskstructure thataids inlight absorption • where sun is converted to chemical energy
Chez Carbon Crossword 2023-11-17
Across
- membrane-bound cell organelles
- describes how carbon moves between the atmosphere, soils, living creatures, the ocean, and human sources
- capture energy from sunlight, which they change to chemical energy that is stored in molecules of NADPH and ATP
- organism that breaks down dead organic material
- a substance that is formed as the result of a chemical reaction.
- the main type of sugar in the blood and is the major source of energy for the body's cells
- the processes by which chemicals interact to form new chemicals with different compositions.
Down
- CO2
- to change (something) into a different form or so that it can be used in a different way
- the process by which cells derive energy from glucose
- he starting materials in a reaction that undergo a chemical change to form a product.
- plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
- process by which the cell takes in the fluids along with dissolved small molecules.
- a maker or manufacturer of something
14 Clues: CO2 • membrane-bound cell organelles • a maker or manufacturer of something • organism that breaks down dead organic material • the process by which cells derive energy from glucose • a substance that is formed as the result of a chemical reaction. • process by which the cell takes in the fluids along with dissolved small molecules. • ...
1.5 Photosynthesis 2024-07-25
Across
- The ability to do work or cause a change.
- (C6H12O6) A type of sugar produced during the photosynthesis process.
- The chemical product of glucose molecules linking together.
- Plant cell organelles responsible for photosynthesis.
- An organism that cannot make its own food, but gets food by consuming other living things.
- A statement demonstrates equality between two mathematical or chemical expressions.
- The source materials for a chemical reaction.
Down
- (H2O) A reagent, or source material, required for photosynthesis to occur.
- The chemicals materials that result after a chemical reaction is completed.
- An organism that is able to capture energy from sunlight or chemicals and use it to produce its own food.
- The process by which plants and other autotrophs capture and use light energy to make food from carbon dioxide (CO2) and water (H2O).
- (O2) A gaseous byproduct of photosynthesis.
- (CO2) A reagent, or source material, required for photosynthesis to occur.
- A green photosynthesis pigment found in the chloroplasts of plants, algae, and some bacteria.
14 Clues: The ability to do work or cause a change. • (O2) A gaseous byproduct of photosynthesis. • The source materials for a chemical reaction. • Plant cell organelles responsible for photosynthesis. • The chemical product of glucose molecules linking together. • (C6H12O6) A type of sugar produced during the photosynthesis process. • ...
Macromolecules Crossword Puzzle 2020-10-31
Across
- This is the monomer of proteins.
- Capable of absorbing or dissolving to a greater degree
- Generic term for any disaccharides and monosaccharides.
- This is the monomer of nucleic acids
- Colorless and order less liquid with a sweet taste.
- A type of protein that creates chemical reactions in the body
- Monomer of this macromolecule is monosaccharides
- An underlying substance or layer
- Any of class sugars whose molecules contain two monosaccharides
- Building blocks of fat in our bodies.
- Monomer of this macromolecule is nucleotides
- Monomer of this macromolecule is amino acids
Down
- Minimum amount of energy that something needs in order to undergo a specific reaction.
- Unable to absorb or dissolve any more of a solute at a given temp and pressure.
- The result from a specific reaction or experiment
- A carbohydrate whose molecules consist of a number of sugar molecules bonded together.
- Reaction, Reaction in which more energy is needed to break bonds in the reactants.
- Any of the class sugars ex. glucose
- Reaction, Reactions that release energy usually in the form of heat or light.
19 Clues: This is the monomer of proteins. • An underlying substance or layer • Any of the class sugars ex. glucose • This is the monomer of nucleic acids • Building blocks of fat in our bodies. • Monomer of this macromolecule is nucleotides • Monomer of this macromolecule is amino acids • Monomer of this macromolecule is monosaccharides • ...
Week 1 review 2025-06-15
Across
- Immune complex reaction leading to inflammation (e.g., lupus nephritis)
- Autoimmune disease causing weakness due to impaired acetylcholine receptors
- Lymphocytes that mediate cellular immunity, important in Type IV reactions
- Drugs like methotrexate or corticosteroids used to manage autoimmune conditions
- Allergy Common healthcare-associated hypersensitivity; cross-reacts with bananas, avocados
- Severe type I hypersensitivity reaction with airway and circulatory collapse
- Autoimmune demyelinating disorder affecting the CNS with varied symptoms
- Chemical mediator released by mast cells causing vasodilation and bronchoconstriction
- First-line medication for anaphylaxis; causes vasoconstriction and bronchodilation
- Common symptom in autoimmune diseases, often unrelated to activity level
Down
- Delayed hypersensitivity involving T-cells (e.g., contact dermatitis, TB test)
- Treatment that removes antibodies from the blood; used in GBS and MG
- Lymphocytes responsible for antibody production in humoral immunity
- Acute autoimmune neuropathy often following infection or immunization
- Chronic autoimmune disease affecting skin, joints, and organs; ANA usually positive
- Immediate reaction involving IgE antibodies and allergens
- Cytotoxic reaction where antibodies attack specific cells (e.g., hemolytic transfusion reaction)
- Autoimmune condition causing joint stiffness, swelling, and deformity
- Antinuclear antibody often elevated in autoimmune diseases like SLE
19 Clues: Immediate reaction involving IgE antibodies and allergens • Lymphocytes responsible for antibody production in humoral immunity • Antinuclear antibody often elevated in autoimmune diseases like SLE • Treatment that removes antibodies from the blood; used in GBS and MG • Acute autoimmune neuropathy often following infection or immunization • ...
Chemical reactions vocabulary 2024-11-05
Across
- of reaction: The speed at which reactants are converted in products
- Is a substance that is formed as the result of a chemical reaction.
- A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
- A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
Down
- of Conservation of Mass: for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
- A type of lettering form written lower than the things around it. In chemical formulas the number of atoms in a molecule is written in this manner
- reaction: Are those which absorb energy from the surroundings and result in a net decrease in temperature
- A substance that takes part in and undergoes change during a reaction
8 Clues: of reaction: The speed at which reactants are converted in products • Is a substance that is formed as the result of a chemical reaction. • A substance that takes part in and undergoes change during a reaction • reaction: Are those which absorb energy from the surroundings and result in a net decrease in temperature • ...
Theory Exam Puzzle 2025-11-05
Across
- bond Atoms transfer electrons.
- Two or more atoms bonded together.
- bond Atoms share electrons.
- The new substance formed after the reaction.
- A substance made of different elements chemically joined.
- A pure substance made of one kind of atom.
- A starting substance in a chemical reaction.
- Same element, different number of neutrons.
Down
- Neutral particle found in the nucleus.
- Speeds up a reaction but isn’t used up.
- Negatively charged particle orbiting the nucleus.
- Positively charged particle in the nucleus.
- The smallest unit of matter.
- Atom that has gained or lost electrons.
- Measures how acidic or basic something is.
15 Clues: bond Atoms share electrons. • The smallest unit of matter. • bond Atoms transfer electrons. • Two or more atoms bonded together. • Neutral particle found in the nucleus. • Speeds up a reaction but isn’t used up. • Atom that has gained or lost electrons. • A pure substance made of one kind of atom. • Measures how acidic or basic something is. • ...
Chemistry Jigsaw Puzzle 2016-08-28
Across
- The chemical _________ tells us the types of atoms and the number of each type of atom in one molecule of substance.
- Atoms are neither _________ nor created during a chemical reaction.
- In general, a dilute acid reacts with a _________ to produce a salt, carbon dioxide and water.
- An electron has _________ mass compared to protons and neutrons.
- A liquid has a fixed _________ but does not have a fixed shape.
- Chemical changes are permanent and _________.
- When a matter is heated and its particles gain enough energy, the matter goes through _________.
- An _________ is a substance which changes colour depending on whether the solution being tested is acidic or alkaline.
- Among the sub-atomic particles, _________ contribute most to the mass of an atom.
Down
- A molecule of a _________ consists of a fixed number of different types of atoms chemically combined.
- A _________is made up of two or more atoms chemically combined.
- Gases have no definite shape or volume. Thus, gases can be _________.
- _________ is the amount of matter packed into a unit volume.
- Common indicators include red and blue _________ papers, and Universal Indicator.
- When alkalis react with acids, a chemical reaction called _________ occurs.
- _________ is the chemical decomposition of substances with the passage of an electric current.
- An atom contains an equal number of protons and _________.
- The particulate nature of matter is a model that describes matter as being made up of tiny _________ that are constantly moving in a random manner.
- The proton number is also known as _________ number.
- When matter expands, the _________ between particles increases and the amount of particles remain the same.
20 Clues: Chemical changes are permanent and _________. • The proton number is also known as _________ number. • An atom contains an equal number of protons and _________. • _________ is the amount of matter packed into a unit volume. • A _________is made up of two or more atoms chemically combined. • A liquid has a fixed _________ but does not have a fixed shape. • ...
Noris crossword puzzle 2019-06-14
Across
- Electrons move in definite orbits or energy levels around the nucleus
- Charged chemical species composed of two or more atoms covalently bonded or of a metal complex
- A carbon based compound reacts with oxygen to form carbon dioxide and water
- electrons that have been bonded by the highest energy level
- when balancing equations you cannot change
- the force that holds two atoms together
- A single element reacts with a compound and displaces another element from the compound
- Changed into a different substance or substances called products
- when electrons are transferred from one atom to another
- Liquid or gel that contains ions that can be decomposed
- Positively charged ion
- Chemical formulas in place of chemical names
- Substance that is formed as the result of a chemical reaction
- Two or more substances combine to form a single substance
- bonding that involves electrons in the highest energy level
Down
- The exact temp at which solid will melt
- Two compounds reach and exchange ions and form two new compounds
- A compound of ions held together
- Isolated system is neither created nor destroyed by the products chemical reactions
- Give the number of molecules involved in that reaction
- an atom that that carries positive or negative charges due to the result of having lost or gain one or more electrons
- The sharing of electrons between atoms
- A single compound breaks down into 2 or more simpler substances
- states every atom wants 8 valence electrons
- Negatively charged ion
25 Clues: Positively charged ion • Negatively charged ion • A compound of ions held together • The sharing of electrons between atoms • The exact temp at which solid will melt • the force that holds two atoms together • when balancing equations you cannot change • states every atom wants 8 valence electrons • Chemical formulas in place of chemical names • ...
Alex Maynards Chemistry crossword 2024-05-15
Across
- a substance produced after a reaction
- amount of matter in an object
- material that has mass and takes up space
- a characteristic of a substance that is measurable or observable during a reaction
- a characteristic that can be observed like color or texture
- smallest unit of matter
- a pure substance that cannot be broken down into simpler substances
- a change in matter that doesn't affect its chemical composition
- the ability to work or cause change
Down
- transfer of thermal energy
- the substances present before a reaction occurs
- the study of matter
- a combination of substances that can be separated
- A process that changes substances into new substanes
- the measure of average kinetic energy of the atoms in a system
- when two or more substances mix
- two or more atoms joined together
- amount of space that an object occupies
18 Clues: the study of matter • smallest unit of matter • transfer of thermal energy • amount of matter in an object • when two or more substances mix • two or more atoms joined together • the ability to work or cause change • a substance produced after a reaction • amount of space that an object occupies • material that has mass and takes up space • ...
Nwoye's Sunday Morning Crossword 2024-05-20
Across
- Celcius + 273.15
- A species with a different number of neutrons
- Each of two or more different physical forms in which an element can exist
- ______ - Reactants
- The best Chem teacher in the nation
- Adding more product to a reaction at equilibrium will create more product according to
- PO4^-3
Down
- The amount of electrons in the d orbital
- Atomic masses of atoms are __________ masses based on the mass of Carbon-12
- A number that represents the number of particles in a mole
- Coordinate Covalent Bond or
- Where Mrs. Compton used to live
- Element with the atomic number 8
- In an endothermic reaction, heat is ____.
- A single atom thick sheet of Graphite
- The iodine _____ reaction
- The strongest type of covalent chemical bond
- A law that states that the total enthalpy change for the reaction is the sum of all changes
18 Clues: PO4^-3 • Celcius + 273.15 • ______ - Reactants • The iodine _____ reaction • Coordinate Covalent Bond or • Where Mrs. Compton used to live • Element with the atomic number 8 • The best Chem teacher in the nation • A single atom thick sheet of Graphite • The amount of electrons in the d orbital • In an endothermic reaction, heat is ____. • ...
Dinner menu cross word 2013-10-26
Across
- the amount or quantity of heaviness
- a usually irreversible reaction involving the rearrangement of the atoms
- the state or quality of being hard
- the quality of a distinct object or body in having an external surface
- any substance that undergoes a chemical change in a given reaction. law of conservation of mass
- highly ionized gas containing an approximately equal number of positive ions and electrons
- an act or instance of going or moving around.
- states that for any system closed to all transfers of matter and energy
- composed of molecules that move freely among themselves
- an elementary particle having no charge
- the integer nearest in value to the atomic weight
- having three dimensions
- the smallest component of an element having the chemical properties of the element
- a positively charged elementary particle
Down
- the positively charged mass within an atom, composed of neutrons and protons,
- one of a class of substances that cannot be separated into simpler substances
- the property of a substance that activates the sense of smell
- consists of the chemical formulas of the reactants and the chemical formula of the products
- a process that leads to the transformation of one set of chemical substances
- the quality of an object or substance with respect to light reflected by the object
- a substance possessing perfect molecular mobility
- the state or quality of being dense
- the visual and especially tactile quality of a surface
- The region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital.
- a substance obtained from another substance through chemical change
- a usually reversible change in the physical properties
- the amount of space
- a table illustrating the periodic system, in which the chemical elements
- the number of positive charges or protons in the nucleus of an atom of a given element
- a body of coherent matter
- an elementary particle that is a fundamental constituent of matter
31 Clues: the amount of space • having three dimensions • a body of coherent matter • the state or quality of being hard • the amount or quantity of heaviness • the state or quality of being dense • an elementary particle having no charge • a positively charged elementary particle • an act or instance of going or moving around. • a substance possessing perfect molecular mobility • ...
Classification of Matter 2022-09-15
Across
- change also known as a chemical reaction, is a process in which one or more substances are altered into one or more new and different substances. In other words, a chemical change is a chemical reaction involving the rearrangement of atoms.
- the phenomenon in which light is scattered by particles of matter in its path. It enables a beam of light to become visible by illuminating dust particles, etc
- is a characteristic of matter that can be observed and measured without changing the chemical identity of the sample. a physical property might involve a physical change but not a chemical change.
- dispersed in a continuous gaseous, liquid, or solid medium whose properties depend on the large specific surface area.
- the principle that in any closed system subjected to no external forces, the mass is constant irrespective of its changes in form; the principle that matter cannot be created or destroyed.
- one of a class of substances that cannot be separated into simpler substances by chemical means.
- a species of matter of definite chemical composition
- change involve states of matter and energy. No new substance is created during a physical change, although the matter takes a different form. The size, shape, and color of matter may change. Physical changes occur when substances are mixed but don't chemically react.
- mixture is a mixture in which the composition is uniform throughout the mixture.
Down
- a substance made up of a system of particles with linear dimensions dispersed in a continuous gaseous, liquid, or solid medium whose properties depend on the large specific surface area.
- the process by which a gas, liquid, or solid is dispersed homogeneously in a gas, liquid, or solid without chemical change.
- any of the properties of matter that can be observed and measured only by performing a chemical change or chemical reaction. Chemical properties cannot be determined by touching or viewing a sample; the structure of the sample must be altered for the chemical properties to become apparent.
- the purification or concentration of a substance, the obtaining of the essence or volatile properties contained in it, or the separation of one substance from another, by such a process.
- the state in which the particles of a substance are mixed with a fluid but are undissolved.
- mixture composed of different substances or the same substance in different phases, as solid ice and liquid water.
15 Clues: a species of matter of definite chemical composition • mixture is a mixture in which the composition is uniform throughout the mixture. • the state in which the particles of a substance are mixed with a fluid but are undissolved. • one of a class of substances that cannot be separated into simpler substances by chemical means. • ...
Chemistry Crossword 2021-11-04
Across
- heat being absorbed from a substance
- elements in the last column of the periodic table that have all valence electrons
- only type of atom with no neutrons
- the amount of valence electrons each atom wants
- carbon burns in air to form carbon monoxide
- Prefix meaning five
- Atomic symbol for gold
- heat being released from a substance
- Atoms that will never be alone naturally
- A bond with a metal and a nonmetal
Down
- A bond with a nonmetal and a nonmetal
- Sodium Chloride, abbreviated
- A type of chemical reaction, K+NaCl=KCl+Na
- A type of chemical reaction, C+O=CO
14 Clues: Prefix meaning five • Atomic symbol for gold • Sodium Chloride, abbreviated • only type of atom with no neutrons • A bond with a metal and a nonmetal • A type of chemical reaction, C+O=CO • heat being absorbed from a substance • heat being released from a substance • A bond with a nonmetal and a nonmetal • Atoms that will never be alone naturally • ...
Study tool weathering 2021-01-22
Across
- weathering is the process of breaking big rocks into little ones
- allowing liquids or gasses to pass through it
- there are 3 major rock that make up the rock cycle metamorphic, igneous, sedimentary
- is the separation of thin shells or spalls from massive rocks like granite or basalt
- is where a rock gets broken down by the pressure of water freezing the rock and breaks it
- Action is when mechanical weathering happens animals dig around into the ground and loosen soil
- they reach down into the ground for minerals for their own growth
- is rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes
- is the chemical reaction of carbon dioxide to give carbonates, bicarbonates, and carbonic acid
- the chemical breakdown of a compound due to reaction with water.
- is the process of rubbing, scouring, or scraping the partials of a rock into little bits of rocks then they are eroded away
Down
- weathering is where chemical reaction happen to rocks like if iron and water combine it becomes rust
- it is a theory changes the earths crust during different amounts of history that results in the action of continuing the uniform processes
- the process where wind, water eroded things like soil, rocks, etc
- the process or result of oxidizing or being oxidized.
- it is the process of being broken down long periods of time
- is the scientific study of climate, scientifically defined as weather conditions averaged over a period of time.
- is an association between one or two fungus species and an alga or cyanobacterium
18 Clues: allowing liquids or gasses to pass through it • the process or result of oxidizing or being oxidized. • it is the process of being broken down long periods of time • weathering is the process of breaking big rocks into little ones • the chemical breakdown of a compound due to reaction with water. • the process where wind, water eroded things like soil, rocks, etc • ...
FOCUS Chemistry 2013-09-12
Across
- Element with a different number of neutrons but the same number of protons and electrons
- Reaction that can go either way
- Describing chemical reactions with equations and simple whole number ratios
- Found in vast amounts
- Molecule consisting of two atoms
- Smallest unit of an element
- Element which exists in more than one structural form
- A species with an unpaired electron
Down
- When the rate of the forward and backward reactions are the same
- Made up of
- Reaction process
- Making of a compound
- How easily something dissolves
- Speed of reaction
- Unusual result
15 Clues: Made up of • Unusual result • Reaction process • Speed of reaction • Making of a compound • Found in vast amounts • Smallest unit of an element • How easily something dissolves • Reaction that can go either way • Molecule consisting of two atoms • A species with an unpaired electron • Element which exists in more than one structural form • ...
General chemistry 2022-03-10
Across
- catalyst for hydration of ethene
- CH4 + Br2 —> CH3 + HBr what reaction is this
- reaction between acid and alkali
- indicator used in titration (red in acid yellow in base)
- founder of the modern day periodic table
Down
- general formula = CnH2n+2
- giant covalent structure made of carbon atoms with a cage like structure
- what are formed in a reaction?
- chemical decomposition using electricity
- general term for both catalysts used for catalytic cracking
- bonds between non metal elements
- gas released in metallic bonding
- element with symbol W
- what is formed? carboxylic acid + ethanol
- bonding between metals and non metals
15 Clues: element with symbol W • general formula = CnH2n+2 • what are formed in a reaction? • bonds between non metal elements • catalyst for hydration of ethene • gas released in metallic bonding • reaction between acid and alkali • bonding between metals and non metals • chemical decomposition using electricity • founder of the modern day periodic table • ...
Photosynthesis and cellular respiration crossword 2024-12-12
Across
- acid A type of fermentation
- The fluid like substance in the chloroplast
- The chemical reaction that takes place prior to fermintation
- Sugar or plant food
- What the arrow in photosynthesis represents
- The reaction that takes place in the stroma
- Uses oxygen
- Happens without oxygen
Down
- The process where cells derive energy from glucose
- How plants make their food
- The reaction that takes place in the grana
- Where photosynthesis occurs
- Where cellular respiration takes place
- The gas that is produced during photosynthesis
- The type of fermentation that organisms like yeast use
15 Clues: Uses oxygen • Sugar or plant food • Happens without oxygen • How plants make their food • acid A type of fermentation • Where photosynthesis occurs • Where cellular respiration takes place • The reaction that takes place in the grana • The fluid like substance in the chloroplast • What the arrow in photosynthesis represents • The reaction that takes place in the stroma • ...
Chemistry for 11th 2025-08-26
Across
- Compounds with same formula but different structure
- SI unit for amount of substance
- Particle responsible for chemical properties
- Elements that gain electrons easily
- Bond formed by transfer of electrons
- Loss of electrons in a reaction
- Positive ion formed when atom loses electrons
Down
- Shape of molecule by VSEPR theory
- Substance that dissolves a solute
- Horizontal row in the periodic table
- Ability of atom to attract electrons in a bond
- Negative ion formed when atom gains electrons
- Type of bond formed by sharing electrons
- Gain of electrons in a reaction
- Speeds up a reaction without being consumed
15 Clues: SI unit for amount of substance • Gain of electrons in a reaction • Loss of electrons in a reaction • Shape of molecule by VSEPR theory • Substance that dissolves a solute • Elements that gain electrons easily • Horizontal row in the periodic table • Bond formed by transfer of electrons • Type of bond formed by sharing electrons • Speeds up a reaction without being consumed • ...
AP Chemistry project 2023-05-16
Across
- A solution that resists a drastic change in pH upon addition of small amounts of strong acid or strong base
- Deals with the study of the rate of chemical reactions and the factors that affect it
- The study of the quantitative, or measurable, relationships that exist in chemical formulas and chemical reactions
- the measure of disorder in a thermodynamic system
- Forces that exist between molecules
- Occurs when a double bond is present in a molecule
- The smallest part of a substance that cannot be broken down chemically
- Proton acceptor
Down
- The amount of that substance that is required to form a saturated solution in a given amount of solvent at a specified temperature
- A process in which one or more substances are converted to one or more different substances
- The measure of total heat present in the thermodynamic system where the pressure is constant
- The study of the relations between heat, work, temperature, and energy
- Organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number
- A substance that speeds up a chemical reaction by lowering the activation energy
- Proton donor
- drop-by-drop mixing of an acid and a base in order to determine the concentration of an unknown solution
16 Clues: Proton donor • Proton acceptor • Forces that exist between molecules • the measure of disorder in a thermodynamic system • Occurs when a double bond is present in a molecule • The study of the relations between heat, work, temperature, and energy • The smallest part of a substance that cannot be broken down chemically • ...
B2 revision 2017-12-19
Across
- Holes found on the bottom of the leaf that allow gases to diffuse in and out of the leaf.
- The name given to the interaction between plants, animals, and their habitat in a particular location.
- Chemical reaction where glucose reacts with oxygen to release energy, carbon dioxide, and water.
- Reaction performed by bacteria, using energy transferred from chemical reactions to produce glucose.
Down
- Chemical reaction that takes place without oxygen. Glucose is converted into lactic acid and energy is released.
- Chemical containing minerals, normally applied to soil.
- The process plants use to make their own food, glucose. In photosynthesis, carbon dioxide and water react together to make glucose and oxygen.
- A diagram showing a set of linked food chains.
- Green pigment that absorbs light for use in photosynthesis.
- The substance in blood that carries oxygen around the body.
10 Clues: A diagram showing a set of linked food chains. • Chemical containing minerals, normally applied to soil. • Green pigment that absorbs light for use in photosynthesis. • The substance in blood that carries oxygen around the body. • Holes found on the bottom of the leaf that allow gases to diffuse in and out of the leaf. • ...
chemical equations 2021-10-22
10 Clues: equal • left side • right side • when atoms bond • can remove or add • basic unit of matter • multiply by molecule • atoms bonded together • when substances change • representation of chemical reaction
Chemical Reactions 2021-02-04
8 Clues: Image or diagram • Process when atoms rearrange • Something observed about a substance • Tiny pieces that all matter is made of • Atoms grouped together in a certain way • Substance written in letters and numbers • The starting substance in a chemical-reaction • Something made of the same atoms/group of atoms
CHANGES AROUND US 2017-05-24
8 Clues: Chlorophyll in plants • The original substance • A new product is formed • Liquid changes to water • All most all are reversible • It occurs when there is a chemical change • New substance formed after chemical reaction • Energy required to start a chemical reaction
Lesson 3.1 2025-11-18
Across
- property A characteristic that describes how a substance behaves during a chemical reaction.
- Metals that do not contain iron.
- reaction A process where substances change into new substances.
- How much mass is packed into a given volume.
- bond A bond where atoms share electrons.
- The ability of a material to attract or repel other magnets.
- A pure substance made of only one kind of atom.
- A lightweight, silvery metal that resists corrosion.
- A unit that measures electrical potential or “pushing force” in a circuit.
- To heat a metal and let it cool slowly to make it softer and easier to shape.
- A substance that conducts electricity when dissolved in water.
- reaction When two different metals touch in the presence of an electrolyte and one corrodes faster.
- An alloy of iron and carbon.
- replacement reaction A reaction where one element replaces another in a compound.
- A chemical reaction where a material combines with oxygen.
- How much a material opposes the flow of electricity.
- property A characteristic that can be observed without changing the substance (color, density, melting point).
- A mixture of two or more metals (or a metal and another element).
- The gradual destruction of a material (usually metal) by chemical reactions, often rusting.
- How easily a material can be hammered or shaped without breaking.
- Reheating hardened steel to reduce brittleness and improve toughness.
- Able to return to its original shape after being stretched or bent.
Down
- A light metal that burns easily with a bright white flame.
- A strong, common metal used to make steel.
- The negative electrode in an electrical or chemical cell.
- A reddish metal that conducts electricity very well.
- How easily a material can be drawn into wires.
- expansion How materials expand when heated.
- Containing iron.
- Two or more atoms bonded together.
- The positive electrode in an electrical or chemical cell.
- steel Steel with chromium that resists rusting.
- strength How much stretching force a material can withstand before breaking.
- A material’s resistance to being scratched or dented.
- A metal often used to coat steel to protect it from rusting.
- property How a material behaves under forces (hardness, strength, ductility, etc.).
- conductivity How well a material transfers heat.
- Heating and cooling a metal to make it stronger and harder.
- An atom or molecule with an electrical charge.
- carbon steel Steel with little carbon, making it softer, more ductile, and easier to shape.
- carbon steel Steel with a high amount of carbon, making it strong and hard but less ductile.
- How well a material carries heat or electricity.
- The smallest unit of an element that still has that element’s properties.
- How easily a material breaks instead of bending.
- The amount of space an object occupies.
- A shiny, conductive material that can be shaped and formed easily.
- The amount of matter in an object.
- A substance made of two or more elements chemically joined together.
48 Clues: Containing iron. • An alloy of iron and carbon. • Metals that do not contain iron. • Two or more atoms bonded together. • The amount of matter in an object. • The amount of space an object occupies. • bond A bond where atoms share electrons. • A strong, common metal used to make steel. • How much mass is packed into a given volume. • ...
Thermochemistry Vocabulary 2022-12-13
Across
- (heat) of
- the standard unit of energy in electronics and general scientific applications
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
- the change in enthalpy associated with a particular chemical process
- accompanied by the release of heat.
- heat of vaporization the heat absorbed by one mole of a substance as it is converted from a liquid to a gas
- (heat) of reaction The enthalpy change that accompanies a chemical reaction
- A measurement of the energy content of food
Down
- energy energy which a body possesses by virtue of being in motion
- heat the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree
- heat of fusion the heat absorbed by one mole of that substance as it is converted from a solid to a liquid
- the quality of being hot; high temperature
- the field of science that deals with the measurement of the state of a body with respect to the thermal aspects in order to examine its physical and chemical changes
- the branch of thermodynamics that focuses on changes occurring during chemical reactions
- of conservation of energy the amount of energy is neither created nor destroyed
- a body temperature above the normal; fever.
- power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
- potential energy the energy stored in the chemical bonds of a substance
- energy the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
- the heat energy given out when one mole of a substance burns completely in oxygen.
21 Clues: (heat) of • accompanied by the release of heat. • the quality of being hot; high temperature • a body temperature above the normal; fever. • A measurement of the energy content of food • the change in enthalpy associated with a particular chemical process • potential energy the energy stored in the chemical bonds of a substance • ...
Chemistry Crossword Puzzle 2023-10-26
Across
- The number of protons in the nucleus of an atom.
- the substance that does the dissolving
- An element that has physical and chemical properties of both metals and nonmetals; can be a semiconductor
- A mixture in which substances are not distributed evenly. (You can see the different parts.)
- Total mass of the protons and neutrons in an atom, measured in atomic mass units; the number of protons + neutrons
- A change in matter that cannot be reversed and results in a new substance being formed; signs of chemical change include gas production (bubbles), color change, temperature change, and/or precipitate forms.
- In a solution, the substance that dissolves.
- Used to describe a material that can be hammered or beaten into thin sheets
Down
- The tendency of a substance to undergo chemical changes.
- 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 is typically dull.
- The ability of a substance to be pulled into a wire.
- A solid that forms during a chemical reaction that takes place in a solutio
- A vertical column of the elements in the periodic table- can show the number of valence electrons.
- group of two or more atoms held together by chemical bonds.
- A change in matter that usually can be be reversed such as size, shape, or state.
- horizontal row of elements in the periodic table- shows number of electron shells for an element
- Hard substance that will break or shatter easily
- The elements or compounds produced by a chemical reaction.
- An atom that has lost or gained electrons and therefore has an electrical charge.
- 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.
20 Clues: the substance that does the dissolving • In a solution, the substance that dissolves. • The number of protons in the nucleus of an atom. • Hard substance that will break or shatter easily • The ability of a substance to be pulled into a wire. • The tendency of a substance to undergo chemical changes. • The elements or compounds produced by a chemical reaction. • ...
U3S2 2021-12-02
Across
- the relationship between the relative quantities of substances taking part in a reaction or forming a compound
- indicating the number of atoms or molecules in a mole of any substance
- the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction.
Down
- a reactant in a chemical reaction that determines the amount of product that is formed.
- the quantity of a product that is obtained from a chemical reaction.
- a reactant present in an amount in excess of that required to combine with all of the limiting reactant.
- is a conversion factor between compounds in a chemical reaction
- the percent ratio of actual yield to the theoretical yield. It is calculated to be the experimental yield divided by theoretical yield multiplied by 100%
8 Clues: is a conversion factor between compounds in a chemical reaction • the quantity of a product that is obtained from a chemical reaction. • indicating the number of atoms or molecules in a mole of any substance • a reactant in a chemical reaction that determines the amount of product that is formed. • ...
physical science 2023-08-22
Unit 4 Vocabulary Mason Wood 2017-03-13
Across
- in a balanced equation, the ratio between the numbers of moles in any two substances
- a reactant that remains after a chemical reaction stops
- the ratio of actual yield (from an experiment) to theoretical yield (from stoichiometric calculations) expressed as a percent
- the study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction; is based on the law of conservation of mass
Down
- in a chemical reaction, the maximum amount of a product that can be produced from a given amount of reactant
- a reactant that is totally consumed during a chemical reaction, limits the extent of the reaction, and determines the amount of product
- the amount of product produced when a chemical reaction is carried out
7 Clues: a reactant that remains after a chemical reaction stops • the amount of product produced when a chemical reaction is carried out • in a balanced equation, the ratio between the numbers of moles in any two substances • in a chemical reaction, the maximum amount of a product that can be produced from a given amount of reactant • ...
Chapter 10 Vocabulary - Chemistry 2025-04-09
Across
- A reactant that remains after a chemical reaction stops
- The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction; is based on the law of conservation of mass
- The ratio of actual yield (from an experiment) to theoretical yield (from stoichiometric calculations) expressed as a percent
- In a balanced equation, the ratio between the numbers of moles of any two substances
Down
- In a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant
- The amount of product produced when a chemical reaction is carried out
- A reactant that is totally consumed during a chemical reaction, limits the extent of the reaction, and determines the amount of product
7 Clues: A reactant that remains after a chemical reaction stops • The amount of product produced when a chemical reaction is carried out • In a balanced equation, the ratio between the numbers of moles of any two substances • In a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant • ...
Esters 2022-08-19
Across
- Kind of polymer/plastic that contains an ester group
- Esters can be distinguished using ____
- Esters are soluble in ____
- Chemical reaction that changes one ester into another
- Chemical reactions are usually slow without a ____
Down
- Tendency of a substance to evaporate at normal temperatures
- IUPAC name for butyrate
- What is "R" an abrivaition of?
- The chemical process of forming an ester as a product
- Chemical formula for an ester group
- Molecule derived from carboxylic acid and alcohol
- Chemical formula for a carboxylic acid
12 Clues: IUPAC name for butyrate • Esters are soluble in ____ • What is "R" an abrivaition of? • Chemical formula for an ester group • Esters can be distinguished using ____ • Chemical formula for a carboxylic acid • Molecule derived from carboxylic acid and alcohol • Chemical reactions are usually slow without a ____ • Kind of polymer/plastic that contains an ester group • ...
Science vocab 2022-11-04
Across
- reaction with a chemical change
- What comes from a reaction
- Product of photosynthesis
- how animals take in oxygen and make carbon dioxide
- product of cellular respiration
- how plants make oxygen and food
- What make photosynthesis
- where cellular respiration happens
Down
- sugar
- energy
- energy from radiation
- Where photosynthesis happens
- What your using to react with
- Open and close for oxygen
14 Clues: sugar • energy • energy from radiation • What make photosynthesis • Product of photosynthesis • Open and close for oxygen • What comes from a reaction • Where photosynthesis happens • What your using to react with • reaction with a chemical change • product of cellular respiration • how plants make oxygen and food • where cellular respiration happens • ...
Year 10: Chemical reactions 2026-02-20
Across
- when heat is taken in and the temperature goes down
- has a pH 7 and turns universal indicator green
- one of the products when we react an acid and alkali
- name the reaction when an acid and alkali react
- also called a precipitate
- strong acid we use in the lab
- When heat is given out in a reaction
Down
- has a pH 7-14
- when a compound gains oxygen
- Sometimes given off when a chemical reaction takes place
- when a compound loses oxygen
- colour of copper sulfate
- Gas that turn limewater milky/cloudy
- colour of copper oxide
- strong alkali
- has a pH 0-6
16 Clues: has a pH 0-6 • has a pH 7-14 • strong alkali • colour of copper oxide • colour of copper sulfate • also called a precipitate • when a compound gains oxygen • when a compound loses oxygen • strong acid we use in the lab • Gas that turn limewater milky/cloudy • When heat is given out in a reaction • has a pH 7 and turns universal indicator green • ...
Natural Science Crossword. 2024-06-25
Across
- current the flow of electrical charges through materials.
- mixture a mixture in which the different components can be distinguished. homogeneous mixture a mixture in which the different components cannot be distinguished.
- substance a type of matter which contains only one type of component.
- reactions these happen when atoms react and group together differently. combustion a chemical reaction that happens when obiects or substances are burned. compass a device with a magnetic needle that always points north. We use it to orient ourselves.
- a method used to separate solids from liquids, or solids with different size particles, in heterogeneous mixtures.
- a material which does not allow electrical charges to move.
- a method used to separate substances of different density in heterogeneous mixtures.
- a method used to separate solids from liquids in homogeneous mixtures. fermentation a chemical reaction that happens in some living things, such as yeast and bacteria.
Down
- a material which allows electrical charges to move.
- a type of matter which contains two or more pure substances.
- another word for a homogeneous mixture.
- a connecting wire, usually made of copper, wrapped in plastic covering.
- a method used to separate liquids that have different boiling points in homogeneous mixtures.
- the component of an electric circuit which transforms electricity into another type of energy.
- circuit a closed path through which electricity flows.
- a chemical reaction that happens when some metal substances such as iron combine with oxygen in the presence of water.
- the component of an electric circuit which provides the electricity.
- an object which can attract other obiects made of iron and other magnetic metals.
- the force of attraction exerted by magnets.
19 Clues: another word for a homogeneous mixture. • the force of attraction exerted by magnets. • a material which allows electrical charges to move. • circuit a closed path through which electricity flows. • current the flow of electrical charges through materials. • a material which does not allow electrical charges to move. • ...
AP Chemistry Unit 5 Preview Crossword - JDA 2023-12-06
Across
- A device that examines the surroundings of a system to make predictions about the amount of energy released or absorbed during a chemical process within a system
- ___'s law states that if a process can be broken into many smaller steps, then the change in enthalpy of the entire process is equal to the summation of the smaller parts change in enthalpy
- The intensive property relating to the intensity of heat in a system
- Energy transfer between a system and its surroundings
- ___ energy is the summation of all types of energy within a system
- Energy relating to the speed and movement of atoms and molecules within a system
- A type of reaction in which heat is moved from the system to its surroundings
- A such slow process that it can it can be performed in the opposite direction by changing extremely small conditions
- ___ heat capacity is the amount of heat required to increase the temperature of 1 gram of a particular substance by 1 K
- Measure of the randomness or dispersal within a system
- A type of reaction that occurs without supplying additional energy to a system
Down
- A configuration of particles within a system
- A unit of heat
- The release and absorption of energy is studied in what branch of science
- The conserved amount defined as the ability to do work
- ___ capacity is the amount of heat required to increase the temperature of particular matter by 1 K
- A specifically defined group of matter that undergoes physical and/or chemical changes
- Energy relating to a systems movement
- When a difference in temperature causes the transfer of energy between two systems
- Base SI unit for energy
- A type of reaction in which heat is moved from the surroundings to the system
- Stored energy a system has due to its relative conditions
- ___ free energy gives information about a reaction based on its enthalpy and entropy changes
- Chemical property used to describe the thermodynamics of processes
24 Clues: A unit of heat • Base SI unit for energy • Energy relating to a systems movement • A configuration of particles within a system • Energy transfer between a system and its surroundings • The conserved amount defined as the ability to do work • Measure of the randomness or dispersal within a system • Stored energy a system has due to its relative conditions • ...
Study tool weathering 2021-01-22
Across
- weathering is the process of breaking big rocks into little ones
- allowing liquids or gasses to pass through it
- there are 3 major rock that make up the rock cycle metamorphic, igneous, sedimentary
- is the separation of thin shells or spalls from massive rocks like granite or basalt
- is where a rock gets broken down by the pressure of water freezing the rock and breaks it
- Action is when mechanical weathering happens animals dig around into the ground and loosen soil
- they reach down into the ground for minerals for their own growth
- is rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes
- is the chemical reaction of carbon dioxide to give carbonates, bicarbonates, and carbonic acid
- the chemical breakdown of a compound due to reaction with water.
- is the process of rubbing, scouring, or scraping the partials of a rock into little bits of rocks then they are eroded away
Down
- weathering is where chemical reaction happen to rocks like if iron and water combine it becomes rust
- it is a theory changes the earths crust during different amounts of history that results in the action of continuing the uniform processes
- the process where wind, water eroded things like soil, rocks, etc
- the process or result of oxidizing or being oxidized.
- it is the process of being broken down long periods of time
- is the scientific study of climate, scientifically defined as weather conditions averaged over a period of time.
- is an association between one or two fungus species and an alga or cyanobacterium
18 Clues: allowing liquids or gasses to pass through it • the process or result of oxidizing or being oxidized. • it is the process of being broken down long periods of time • weathering is the process of breaking big rocks into little ones • the chemical breakdown of a compound due to reaction with water. • the process where wind, water eroded things like soil, rocks, etc • ...
Chemistry Crossword 2013-09-12
Across
- Making of a compound
- How easily something dissolves
- Made up of
- A species with an unpaired electron
- Element with a different number of neutrons but the same number of protons and electrons
- Smallest unit of an element
- When the rate of the forward and backward reactions are the same
- Element which exists in more than one structural form
Down
- Reaction that can go either way
- Reaction process
- Speed of reaction
- Describing chemical reactions with equations and simple whole number ratios
- Molecule consisting of two atoms
- Found in vast amounts
- Unusual result
15 Clues: Made up of • Unusual result • Reaction process • Speed of reaction • Making of a compound • Found in vast amounts • Smallest unit of an element • How easily something dissolves • Reaction that can go either way • Molecule consisting of two atoms • A species with an unpaired electron • Element which exists in more than one structural form • ...
Science Vocabulary 2024-10-16
Across
- Rain is liquid water...
- States that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
- Participates in a chemical reaction; the ingredients that you start with
Down
- When two or more substances are mixed to created a new substance
- Shreding paper is a example of...
- Representation of a chemical reaction using symbols
- Burning wood is a example of...
- Formed in a chemical reaction; the final output
8 Clues: Rain is liquid water... • Burning wood is a example of... • Shreding paper is a example of... • Formed in a chemical reaction; the final output • Representation of a chemical reaction using symbols • When two or more substances are mixed to created a new substance • Participates in a chemical reaction; the ingredients that you start with • ...
Unit 4 Vocabulary Misha P. 2023-11-08
Across
- The mass of one mole of any substance.
- The starting materials in a reaction that undergo a chemical change to form a product.
- The composition that tells you what percent of each element is present in a compound.
- 2 elements become 1 compound.
- 1 compound becomes 2 elements.
- A reaction that balances H+ and OH- ions in a compound, which makes substance neutralized.
- A formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
Down
- The simplest whole-number ration of atoms in a compound.
- A carbon hydrogen compound reacts with oxygen to form water and carbon dioxide.
- 1 element from each compound switch.
- Molecules that must have a subscript of 2.
- A compound that releases OH- ions when dissolved in water.
- A compound that releases H+ ions when dissolved in water.
- A table that shows how acidic an object is.
- Replacing the single element with one of the elements in the compound.
- Are substances that are present at the end of a chemical reaction.
- NaCl
17 Clues: NaCl • 2 elements become 1 compound. • 1 compound becomes 2 elements. • 1 element from each compound switch. • The mass of one mole of any substance. • Molecules that must have a subscript of 2. • A table that shows how acidic an object is. • The simplest whole-number ration of atoms in a compound. • A compound that releases H+ ions when dissolved in water. • ...
Acids and Bases 2023-03-13
Across
- An indicator which is made up of a range of dyes and shows the strength of substances.
- A substance with a pH less than 7.
- A reaction where an acid cancels out a base or an alkali.
- A change whereby nothing new is made.
- A substance greater than 7
- A solution containing more water particles than substrate.
- A reaction whereby something new is created.
- An acid is said to be this is its particles don't all split up in water.
- An acid is said to be this is its particles all split up in water.
Down
- A substance with a pH of 7.
- Causes redness or itching.
- A solution containing very little water particles.
- A substance that is the chemical opposite to an acid.
- A scale which shows the strength of an acid and an alkali.
- A substance that changes colour in the presence of an acid or alkali.
- An indicator that goes red in acids and blue in alkaline solutions.
- A compound formed through a reaction of a metal and an acid or a base and an acid.
17 Clues: Causes redness or itching. • A substance greater than 7 • A substance with a pH of 7. • A substance with a pH less than 7. • A change whereby nothing new is made. • A reaction whereby something new is created. • A solution containing very little water particles. • A substance that is the chemical opposite to an acid. • ...
nj ekdfkj ehrdsgfk 2024-01-06
Across
- microscopic plants live in aquatic environments and perform photosynthesis
- a substance that takes part in and is changed by a chemical reaction
- a simple type of sugar that is an important energy source in living things ans which is part of many carbohydrates
- any animal that eats only plants
- an animal or a person that eats all types of food, especially both plants and meat
- to change or make something change from one form to another
- to move from one place to another, to move some thing or someone from one place to another
- a thing produced during a natural, chemical, or industrial process
- a chemical change produced by two or more substances acting on each other
- heat, energy, etc. that is sent out in the form of rays
Down
- the green substance in plants that absorbs light from the sun to help them grow
- any animal that eats meat
- the structure in plant cells the contains chlorophyll and in which photosynthesis takes place
- physical substance in general that everything in the world consists of, not mind or spirit
- a very small living thing that you can only see under a microscope
- the process by which green plant turn carbon dioxide and water into food using energy obtained from light from the sun
- a simple chemical substance that consist of atoms of only one type and cannot be split by chemical means into a simpler substance
- a living thing that is able to make its own food using simple chemical substances such as carbon dioxide
- the fact of a series of events being repeated many times always in the same order
- a source of power, such as fuel, used for driving machines, providing heat, etc.
- the way in which atoms are held together in a chemical compound
- very simple plant with no real leaves, stems, or roots that grow in or near water, including seaweed
22 Clues: any animal that eats meat • any animal that eats only plants • heat, energy, etc. that is sent out in the form of rays • to change or make something change from one form to another • the way in which atoms are held together in a chemical compound • a very small living thing that you can only see under a microscope • ...
Chemical Reactions Crossword 2026-01-20
Across
- Substance before a reaction occurs
- Substance formed during a chemical reaction
- Represents the number of particles needed for the reaction
- A substance combines with oxygen and releases energy
- Exchange of ions between two compounds
- A solid formed from the reaction of two aqueous solutions
- Two or more substance combine
Down
- Acid-base reaction where the resulting pH is brought close to 7
- Process where atoms rearrange to form new substances
- One substance breaks down into two or more substances
- An atom replaces another in a compound
- Represents the number of atoms in an element of compound
12 Clues: Two or more substance combine • Substance before a reaction occurs • An atom replaces another in a compound • Exchange of ions between two compounds • Substance formed during a chemical reaction • Process where atoms rearrange to form new substances • A substance combines with oxygen and releases energy • One substance breaks down into two or more substances • ...
Science Summative 2026-02-11
Across
- visible form to release heat
- Greenhouse gas that exists as water vapor
- The science word of burning
- A liquid fuel used in engines
- A sign of incomplete combustion, often black
- Gas that is required for combustion
- Greenhouse gas by burning fuels
- Common fuel type
- The visible part of a combustion reaction
Down
- A common term for a combustion reaction
- compounds composed hydrogen and carbon atoms
- Greenhouse gas produced by incomplete combustion
- A glass building that traps heat for plants
- The transfer of energy due to different temperatures
- A solid fuel commonly used in barbecues
- The substance being burned
- The starting materials in a chemical reaction
17 Clues: Common fuel type • The substance being burned • The science word of burning • visible form to release heat • A liquid fuel used in engines • Greenhouse gas by burning fuels • Gas that is required for combustion • A common term for a combustion reaction • A solid fuel commonly used in barbecues • Greenhouse gas that exists as water vapor • ...
Chemical Reactions and Photosynthesis 2022-02-03
Across
- change that occurs when one or more substances are changed into entirely new substances with different properties
- substance(s) present at the end of a chemical reaction (what is produced)
- phase of matter in which a substance has no definite shape or volume
- C6H12O6 sugar molecule
- process in mitochondria by which cells take glucose combined with oxygen to release useful energy & produce carbon dioxide & water
- indicator color that turns yellow in the presence of high amounts of CO2 and blue with low amounts of CO2
- the process by which substance(s) undergo change to produce different substances, not easily reversible
- opening in the surface of a leaf that allows gas exchange
- tissue responsible for moving glucose/sugar from leaves to other parts of plants
Down
- process in chloroplast by which cells use light energy to combine water & carbon dioxide to produce glucose & oxygen
- chemical reaction that uses electricity to break substances apart
- change that occurs when substances change phase or some other way that is reversible
- substance(s) present at the beginning of a chemical reaction (what reacts)
- form of energy associated with the movement of molecules in an object
- matter cannot be created or destroyed
- phase of matter in which a substance has definite shape & volume
- tissue responsible for moving water & minerals around plants
- the change of matter from one state to another
- anything that has mass & takes up space
- usable power to do work
- phase of matter in which a substance has definite volume but no defined shape
21 Clues: C6H12O6 sugar molecule • usable power to do work • matter cannot be created or destroyed • anything that has mass & takes up space • the change of matter from one state to another • opening in the surface of a leaf that allows gas exchange • tissue responsible for moving water & minerals around plants • phase of matter in which a substance has definite shape & volume • ...
Unit 10 Crossword Puzzle Lolah Slagg 2024-05-12
Across
- a molecule or ion capable of either donating a proton, known as a Brønsted–Lowry acid
- is a scale that canmeasure of how acidic/basic water is
- the cationic form of atomic hydrogen, represented with the symbol H⁺
- any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance
- a state in which the rate of the forward reaction equals the rate of the backward reaction
- A small, positively charged particle of matter found in the atoms of all elements
- the ratio of the moles of a solute to the total liters of a solution
- refers to the amount of a substance in a defined space
- a compound formed by the joining of two or more chemical compounds
- a substance that is in a gaseous, or vaporous, state of matter.
- any atom or group of atoms that bears one or more positive or negative electrical charges
Down
- A compound that can react with bases and acids
- a small portion of matter.
- the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
- a substance that can accept hydrogen ions in water and can neutralize an acid.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound
- a solution in which the solvent is water
- a type of chemical reaction where an atom, ion, or molecule donates an electron to another atom, ion, or molecule
- A substance that is neither acidic nor alkaline
- A particle with no charge
20 Clues: A particle with no charge • a small portion of matter. • a solution in which the solvent is water • A compound that can react with bases and acids • A substance that is neither acidic nor alkaline • refers to the amount of a substance in a defined space • is a scale that canmeasure of how acidic/basic water is • ...
Natural Science Unit 7 and 8 2024-06-23
Across
- a material that does not allow electrical charges to move
- a mixture in which the different components can be distinguished
- a chemical reaction that happens when some metals such as iron combine with oxygen in the presence of water
- a type of matter which contains only one type of component
- a method used to separate liquids that have different boiling points in homogenous mixtures
- a closed path through which electricity flows
- a method used to separate solids from liquids, or solids with different size particles, in heterogenous mixtures
- a chemical reaction that happens when objects or substances are burned
- a type of matter that contains two or more pure substances
- the force of attraction exerted by magnets
- a mixture in which the different components cannot be distinguished
- the component of an electrical circuit which provides the electricity
- a method used to separate substances of different density in heterogenous mixtures
Down
- these happen when atoms react and group together differently
- another word for homogenous mixtures
- a device with a magnetic needle that always points north
- the flow of electrical charges through materials
- a chemical reaction that happens in some living things, such as yeast and bacteria
- a material which allows electrical charges move
- an object which can attract other objects made of iron or other magnetic metals
- the component of an electrical circuit which transfroms electricity into another type of energy
- a connecting wire, usually made of copper, wrapped in plastic covering
- a method used to separate solids from liquids in homogenous mixtures
23 Clues: another word for homogenous mixtures • the force of attraction exerted by magnets • a closed path through which electricity flows • a material which allows electrical charges move • the flow of electrical charges through materials • a device with a magnetic needle that always points north • a material that does not allow electrical charges to move • ...
Ayelèn Vàsconez.Oxidation 2022-01-18
Across
- The thermal level of some system is measured.
- They are successive phases.
- symbology of a chemical reaction.
- Cells acquire genetic material from other cells.
- It is a chemical element with atomic number 8 and represented by the symbol O.
Down
- When a substance is divided and combined to form a new substance.
- When an atom loses a certain number of electrons.
- You can change the state of some aggregation and the appearance of some material but never its chemical nature.
- produces a reaction.
- It is an action that happens reciprocally between two or more objects, people among others.
- It is made up of molecules, formula units, and atoms.
- The result of some experiment.
12 Clues: produces a reaction. • They are successive phases. • The result of some experiment. • symbology of a chemical reaction. • The thermal level of some system is measured. • Cells acquire genetic material from other cells. • When an atom loses a certain number of electrons. • It is made up of molecules, formula units, and atoms. • ...
Science Crossword 3 2021-12-14
Across
- A reaction that releases thermal energy and makes stuff hotter.
- A chemical change.
- How hot or cold something is.
- How fast or slow something is.
- The ________ something is, the more kinetic energy it has.
- A reaction that absorbs thermal energy and makes stuff colder.
- Solid to Liquid.
Down
- Energy that is stored up.
- The energy of heat.
- The ________ something is, the more potential energy it has.
- The ________ something is, the more thermal energy it has.
- The energy of movement.
- Liquid to Solid.
- Where potential energy comes from.
- How much work something takes to do.
15 Clues: Liquid to Solid. • Solid to Liquid. • A chemical change. • The energy of heat. • The energy of movement. • Energy that is stored up. • How hot or cold something is. • How fast or slow something is. • Where potential energy comes from. • How much work something takes to do. • The ________ something is, the more thermal energy it has. • ...
Unit 4 Vocabulary Misha P. 2023-11-08
Across
- The mass of one mole of any substance.
- The starting materials in a reaction that undergo a chemical change to form a product.
- The composition that tells you what percent of each element is present in a compound.
- 2 elements become 1 compound.
- 1 compound becomes 2 elements.
- A reaction that balances H+ and OH- ions in a compound, which makes substance neutralized.
- A formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
Down
- The simplest whole-number ration of atoms in a compound.
- A carbon hydrogen compound reacts with oxygen to form water and carbon dioxide.
- 1 element from each compound switch.
- Molecules that must have a subscript of 2.
- A compound that releases OH- ions when dissolved in water.
- A compound that releases H+ ions when dissolved in water.
- A table that shows how acidic an object is.
- Replacing the single element with one of the elements in the compound.
- Are substances that are present at the end of a chemical reaction.
- NaCl
17 Clues: NaCl • 2 elements become 1 compound. • 1 compound becomes 2 elements. • 1 element from each compound switch. • The mass of one mole of any substance. • Molecules that must have a subscript of 2. • A table that shows how acidic an object is. • The simplest whole-number ration of atoms in a compound. • A compound that releases H+ ions when dissolved in water. • ...
What Happens When Fuels Burn? 2022-03-03
10 Clues: H2O • Proved Law of Conservation • anything that takes up space • smallest particle in Universe • When a group of atoms combine • Products must equal to reactants • Substance that converts to energy • Chemicals that combines in reaction • Chemicals produced after a reaction • Atoms______ during chemical reaction
