chemical reaction Crossword Puzzles
Elements and Compounds 2025-02-09
Across
- minerals rich in metals such as copper and iron; the pure metal can be extracted from the ore
- a simple chemical equation where chemicals are represented by their names
- evaporation of solvent from a solution to leave solute behind as crystals
- Describes elements that consists of a single atom
- The smallest building blocks of matter
- a substance that dissolves another substance
- any chemical reaction where a substance burns in oxygen to produce light and heat Corrosion: when a metal reacts
- a simplified representation of solids, liquids and gases
- a mixture in which one substance is dissolved in another
- Shiny
- an increase in size
Down
- A substance being dissolved
- describes a substance that can chemically dissolve other substances
- the chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the Sun
- The characteristics of a substance
- an electrical switch used in computers to process data quickly
- a process where two liquids or two gases mix due to the motion of their particles
- the substance found in plant leaves that make leaves green and collects energy from the Sun for photosynthesis
- the first chemical explosive; made up of a mixture of saltpeter, sulfur and carbon
- a change of state where a gas is cooled and forms a liquid
- an alloy of copper and tin that is much harder than pure copper
- a change of state
- any combination of two or more elements and compounds
23 Clues: Shiny • a change of state • an increase in size • A substance being dissolved • The characteristics of a substance • The smallest building blocks of matter • a substance that dissolves another substance • Describes elements that consists of a single atom • any combination of two or more elements and compounds • a simplified representation of solids, liquids and gases • ...
Natural science 2022-08-19
Across
- a chemical reaction that happens in some living things, such as yeast and bacteria
- the force of attraction exerted by magnets
- another word for a homogeneous mixture
- a connecting wire, usually made of copper, wrappedin plastic covering.
- a chemical reaction that happens when some metal substances such as iron combine with oxygen in the presence of water
Down
- a device with a magnetic needle that always points north. We use it to orient ourselves
- a method used to separate substances of different density in heterogeneous mixtures.
- a chemical reaction that happens when objects or substances are burned
- a material which does not allow electrical charges to move
9 Clues: another word for a homogeneous mixture • the force of attraction exerted by magnets • a material which does not allow electrical charges to move • a chemical reaction that happens when objects or substances are burned • a connecting wire, usually made of copper, wrappedin plastic covering. • ...
Conservation of Mass Crossword Puzzle 2021-03-01
Across
- Atoms are ______ in a chemical reaction.
- Mass is neither created nor ________.
- Both sides of an equation must be _______.
- Two or more reactants, one product.
- Proposed conservation of mass law.
Down
- Anything that has mass or takes up space.
- Element or compound after the reaction.
- One reactant, two or more products.
- Element or compound before the reaction.
- The arrow in a reaction is read as _______.
10 Clues: Proposed conservation of mass law. • One reactant, two or more products. • Two or more reactants, one product. • Mass is neither created nor ________. • Element or compound after the reaction. • Atoms are ______ in a chemical reaction. • Element or compound before the reaction. • Anything that has mass or takes up space. • Both sides of an equation must be _______. • ...
Biology Extra Credit Crossword Puzzle 2023-09-14
Across
- when the product of a reaction leads to an increase in that reaction
- a property of molecules that do not mix with water.
- they allow the entry of only a few substances
- when concentration of two solutions is equal
- molecules that can interact with water.
- a solution with higher osmotic pressure than another solution.
- the chemical processes that occur within a living organism in order to maintain life
- a chemical or physical change in the environment that triggers some sort of the behavioral change in a living organism.
- the movement of materials across the cell membrane without using cellular energy
- thin flex able barrier that controls what goes in and out of a cell
Down
- the net movement of molecules from an area of greater concentration to an area of lesser concentration.
- normal biological response in which the effects of a reaction slow or stop that reaction
- keeping the balance
- process of diffusion in which molecules pass across the membrane through a cell membrane channel
- the movement of materials against a concentration differance
- proteins or glycoproteins that receive signals by binding to signaling molecules
- diffusion of water through a selectively permeable membrane
- a solution containing a lower amount of solute in comparison to the solute concentration in other solutions, across a semipermeable membrane
- the behavior that is manifested by a living organism which is the result of an external or internal stimulus
- a part of the body which can respond to a stimulus according to the instructions sent from the nervous system
20 Clues: keeping the balance • molecules that can interact with water. • when concentration of two solutions is equal • they allow the entry of only a few substances • a property of molecules that do not mix with water. • diffusion of water through a selectively permeable membrane • the movement of materials against a concentration differance • ...
vocabulary 2020-11-27
Across
- a simple sugar which is important energy source
- a substance produced by a living organism
- a molecule produced by plants
- the elements of compounds produced by a chemical reaction
- A molecule that carries energy within cells
- organelles within eukaryotic cells
Down
- mechanism that can function without air
- enzymatic breakdown of a carbohydrate
- important molecule that is present at the intersection
- the elements or compounds that enter into a chemical reaction
10 Clues: a molecule produced by plants • organelles within eukaryotic cells • enzymatic breakdown of a carbohydrate • mechanism that can function without air • a substance produced by a living organism • A molecule that carries energy within cells • a simple sugar which is important energy source • important molecule that is present at the intersection • ...
Photosynthisis 2021-03-25
Across
- a green pigment in plants
- carbon_______
- the organelle where photosynthesis takes place
- lets gases in and out of the leaf
- what is needed for a reaction to take place
Down
- helps plants deliver water and nutrients to the entire plant.
- pigment that absorbs the suns energy
- substances formed in a chemical reaction
- type of energy radiant energy is turned into during photosynthesis
- energy that comes from the sun
10 Clues: carbon_______ • a green pigment in plants • energy that comes from the sun • lets gases in and out of the leaf • pigment that absorbs the suns energy • substances formed in a chemical reaction • what is needed for a reaction to take place • the organelle where photosynthesis takes place • helps plants deliver water and nutrients to the entire plant. • ...
Cellular Energy Crossword 2025-12-05
Across
- Light turns into energy through this
- Starting materials that change in a chemical reaction
- What all living things need to survive
- The main energy carrying molecule in cells
- Split version of glucose
- What is this
Down
- Cycle that converts carbon dioxide into glucose
- An organelle found in cells responsible for energy production
- Substances formed at the end of a chemical reaction
- Enzyme that acts as an electron character
10 Clues: What is this • Split version of glucose • Light turns into energy through this • What all living things need to survive • Enzyme that acts as an electron character • The main energy carrying molecule in cells • Cycle that converts carbon dioxide into glucose • Substances formed at the end of a chemical reaction • Starting materials that change in a chemical reaction • ...
Week 3 Packet- Tommy Do 2015-07-06
Across
- A CH compound reacts with oxygen to make CO2 and H2O.
- Two separate atoms come together to form one compound.
- One element in a pair is replaced by another.
- _____________ states that matter cannot be created or destroyed.
- We represent the amount of each reactant and product with _________.
- Something that enters into the reaction.
Down
- The opposite of above-one compound breaks into its parts.
- Activation energy is the __________ amount of energy the reactant particles must have in order for a reaction to occur.
- Two element pairs "switch partners."
- An acid and base come together to make water and salt.
- The rate of a chemical reaction is a measure of change in concentration per __________.
- Something that is produced by the reaction.
- A process in which one or more substances are converted into new substances.
- Everything that enters a reaction must come out of the reaction, however the ___________ of the substance might be changed.
- The man who calculated the number 6.022x10^23 who was an Italian chemist and physicist.
15 Clues: Two element pairs "switch partners." • Something that enters into the reaction. • Something that is produced by the reaction. • One element in a pair is replaced by another. • A CH compound reacts with oxygen to make CO2 and H2O. • An acid and base come together to make water and salt. • Two separate atoms come together to form one compound. • ...
Chemistry 2020-06-04
Across
- temperature scale temperature scale where 0°C and 100°C are defined as the freezing and boiling points of water, respectively.
- is force per area.
- A substance which is made up of loads of small molecules joined together.
- metal is an element belonging to Group II of the periodic table. Examples of alkaline earth metals are magnesium and calcium.
- is any organic molecule that has a -COH group.
- A horizontal row of elements in the periodic table.
- is a molecule that contains a R-CO-R' functional group. An example of a common ketone is acetone (dimethyl ketone).
- describes a process that absorbs heat. Endothermic reactions feel cold.
- describes a process that gives off heat.
- group functional group consisting of a carbon double bonded to oxygen and single bonded to a hydroxyl (-COOH).
- is a group of elements sharing similar properties. It is not necessarily the same thing as an element group. For example, the chalcogens or oxygen family consists of some different elements from the nonmetal group.
- solid in which atoms are bonded to other atoms of the same type.
- rare earth metal with element symbol Ce and atomic number 58.
- is a possible value of energy that an electron can have in an atom.
- is a property of a physical object that quantifies the amount of matter it contains.
- law that states the properties of elements recur in a predictable and systematic way when they are arranged by increasing atomic number.
- is an ionic compound that dissolves in water to produce ions, which can conduct electricity. Strong electrolytes completely dissociate in water, while weak electrolytes only partially dissociate or break apart in water.
- binding of an element to itself via covalent bonds, forming a chain or ring
- number - the number of protons in the nucleus of an atom of an element.
- volume occupied by one mole of an element at room temperature.
- is how repeatable a measurement is. More precise measurements are reported with more significant figures.
- electrode where reduction occurs; usually the negative electrode.
- The substance which adds oxygen to another substance.
- is something made as a result of a chemical reaction.
- is a unit of temperature. A Kelvin is equal in size to a degree Celsius, although Kelvin starts from absolute zero. Add 273.15 to a Celsius temperature to get the Kelvin value. Kelvin is not reported with a ° symbol. For example, you would simply write 300K not 300°K.
- tube a vacuum tube with a source of electrons, a fluorescent screen, and means of accelerating and deflecting the electron beam.
Down
- is the name for the element with atomic number 55 and is represented by the symbol Cs. It is a member of the alkali metal group.
- The chemical reaction combining monomers to form polymers.
- functional group consisting of a carbon atom double bonded to oxygen, C=O.
- tabular arrangement of elements by increasing atomic number, ordered according to trends in recurring properties.
- ion with a positive electrical charge.
- is the acronym for the molecule adenosine triphosphate.
- is when a titration is stopped, typically because an indicator has changed color. The endpoint need not be the same as the equivalence point of a titration.
- an ion consisting of one carbon bonded to three oxygen atoms (CO32-) or a compound containing this ion.
- A scale which shows how acidic or alkaline a substance is.
- horizontal row of the periodic table; elements with the same highest unexcited electron energy level.
- value used to describe the size of an atom, usually half the distance between two atoms just touching each other.
- anaylysis A method of finding out the elements present in an unknown substance via a series of chemical tests.
- Loss of electrons in a chemical reaction.
- surrounding gases, such as the gases surrounding a planet that are held in place by gravity.
- is using electricity to break the bonds in a compound to break it apart.
- is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity
- parts per million
- are molecules that are non superimposable mirror images of each other.
- is the property of matter which reflects the quantity of energy of motion of the component particles.
- The arrangement of elements in the order of increasing atomic number in a table.
- is a metal in Group I of the periodic table. Examples of alkali metals include lithium, sodium, and potassium.
- substance that increases the chemical reaction rate by decreasing its activation energy.
- parts per billion
- average mass of atoms of an element.
- is any organic molecule that has an -OH group.
- A charged particle found in the nucleus of an atom.
- is energy of motion. The more an object moves, the more kinetic energy it has.
- reaction - An addition reaction is a chemical reaction in which atoms add to a carbon-carbon multiple bond.
54 Clues: parts per million • parts per billion • is force per area. • average mass of atoms of an element. • ion with a positive electrical charge. • describes a process that gives off heat. • Loss of electrons in a chemical reaction. • is any organic molecule that has a -COH group. • is any organic molecule that has an -OH group. • A horizontal row of elements in the periodic table. • ...
Chemical Reactions Vocabulary 2022-10-26
Across
- a reaction where the energy is absorbed
- a system in which matter can enter from or escape into its surroundings
- a system in which no matter is allowed to enter or leave
- the substances that undergo chemical changes
Down
- a reaction where the energy is released
- a change in matter that produces one or more substances
- a change that alters the form or appearance of a substance without changing it into a different substance
- the substances formed through a chemical reaction
8 Clues: a reaction where the energy is absorbed • a reaction where the energy is released • the substances that undergo chemical changes • the substances formed through a chemical reaction • a change in matter that produces one or more substances • a system in which no matter is allowed to enter or leave • ...
Crossword Vocab Review - 8.P1U1.2 & 8.P1U1.1 2023-08-26
Across
- the ability to dissolve in another substance.
- the transition of a substance directly from a solid state to a gas state
- describes it's reactivity
- the process that changes liquid water to gaseous water (water vapor)
- a particle kind of matter w/ uniform properties
Down
- the ability to be pulled into a thin strand, like a wire.
- when one or more physical properties of a substance are changed
- the level of acid in substance
- change that interacts to form new products
- temperature at which a substance changes from a liquid to a gaseous state
- compound or element that is the result of a chemical reaction
- matter that has no definite volume of shape, such as air
12 Clues: describes it's reactivity • the level of acid in substance • change that interacts to form new products • the ability to dissolve in another substance. • a particle kind of matter w/ uniform properties • matter that has no definite volume of shape, such as air • the ability to be pulled into a thin strand, like a wire. • ...
Puzzle 2021-05-02
Across
- Renewable
- Sun’s radiation
- Combination of kinetic and potential
- Harnesses the power of water in motion
- Only form of energy seen by the human eye
- Released during fission or fusion
- to Heat, Kettle
- Stretched, compressed or deformed
- Generated or produced by living dead organisms
Down
- to light, Bulbs
- Vibration of an object/substance
- Heat within the earth
- Intertwines with nuclear energy
- Sustainable energy
- Stored energy
- to chemical, Absorbed by plants for nutrition
- to light, Combustion reaction
17 Clues: Renewable • Stored energy • to light, Bulbs • Sun’s radiation • to Heat, Kettle • Sustainable energy • Heat within the earth • to light, Combustion reaction • Intertwines with nuclear energy • Vibration of an object/substance • Released during fission or fusion • Stretched, compressed or deformed • Combination of kinetic and potential • Harnesses the power of water in motion • ...
Regulation 2024-04-03
Across
- controls thinking, memory and voluntary activity
- hormone releases during stress
- enlargement of thyroid caused by iron deficiency
- controls involuntary, like breathing and heartbeat
- organ that releases insulin
- chemical secreted from neuron
- hormone that lowers blood sugar
Down
- hormone responsible for male characteristics
- controls balance
- glands release adrenaline
- type of protein that secretes chemical messages
- hormone responsible for female characteristics
- gland responsible for controlling metabolism
- change in environment
- reaction to stimulus
- cell neuron
16 Clues: cell neuron • controls balance • reaction to stimulus • change in environment • glands release adrenaline • organ that releases insulin • chemical secreted from neuron • hormone releases during stress • hormone that lowers blood sugar • hormone responsible for male characteristics • gland responsible for controlling metabolism • hormone responsible for female characteristics • ...
Photosynthesis Crossword 2022-04-15
Across
- The result of a chemical reaction like photosynthesis
- The things that have a chemical reaction occur
- The part of the plant that distributes water
- Process that plants use to create food
Down
- The organelle that can only be found in plants
- Exchanges carbon dioxide and oxygen through plants
- Energy that comes from the sun
- The place where photosynthesis occurs
- Carries glucose through the plants
- The pigment that makes plants green
10 Clues: Energy that comes from the sun • Carries glucose through the plants • The pigment that makes plants green • The place where photosynthesis occurs • Process that plants use to create food • The part of the plant that distributes water • The organelle that can only be found in plants • The things that have a chemical reaction occur • ...
Challenge It! Photosynthesis Labs 2023-01-31
Across
- pigment that makes plants green
- what is needed for a chemical reaction to happen
- the thing gases go through to get in and out of a plant
- a process used to make food for autotrophs
Down
- where the food is made in photosynthesis
- transports water to the leaves
- the product of photosynthesis made for food
- sunlight
- what is made in a chemical reaction
- transports glucose throughout the plant
10 Clues: sunlight • transports water to the leaves • pigment that makes plants green • what is made in a chemical reaction • transports glucose throughout the plant • where the food is made in photosynthesis • a process used to make food for autotrophs • the product of photosynthesis made for food • what is needed for a chemical reaction to happen • ...
Combustion 2021-05-13
Across
- what does hydrogen gas form when combusted
- An element common in all combustion reactions
- true or false batteries are also oxidation reactions
- Is combustion a physical or chemical reaction
- A reaction which releases heat
Down
- Produced from the oxidation of iron
- Another name for combustion
- A compound consisting of oxygen and one other element
- Combustion is an example of...
- True or false humans breathe because their body require oxidation reactions for energy
- C6H12O6+ xO2-> 6CO2 + 6H2O What is the value of x?
11 Clues: Another name for combustion • Combustion is an example of... • A reaction which releases heat • Produced from the oxidation of iron • what does hydrogen gas form when combusted • An element common in all combustion reactions • Is combustion a physical or chemical reaction • C6H12O6+ xO2-> 6CO2 + 6H2O What is the value of x? • ...
STANDARD 7D 2021-08-05
Across
- substances taking part in a chemical reaction
- smallest particle of an element.
- the insoluble solid formed in a chemical reaction when two solutions are mixed.
- number of protons and neutrons are together called.
Down
- the symbol is Na,
- subatomic particle without any charge.
- the metal whose symbol is Ca
- horizontal rows in the periodic family
- combining capacity of elements
- family to which chlorine, bromine and iodine belong
10 Clues: the symbol is Na, • the metal whose symbol is Ca • combining capacity of elements • smallest particle of an element. • subatomic particle without any charge. • horizontal rows in the periodic family • substances taking part in a chemical reaction • family to which chlorine, bromine and iodine belong • number of protons and neutrons are together called. • ...
Chemistry Crossword 2013-07-16
Across
- Firm and hard object
- A substance made by mixing other substances together.
- The basic unit of a chemical element.
- A substance produced by a living organism
- A substance that changes during a reaction.
- A substance produced during a natural, chemical,
- A solid that is hard andshiny
Down
- Airlike substance
- Consistency like that of water
- table A table of the chemical elements arranged in order of atomic number
- A part or aspect of something
- A thing that represents or stands for something else
- A set of chemical symbols
13 Clues: Airlike substance • Firm and hard object • A set of chemical symbols • A part or aspect of something • A solid that is hard andshiny • Consistency like that of water • The basic unit of a chemical element. • A substance produced by a living organism • A substance that changes during a reaction. • A substance produced during a natural, chemical, • ...
Revision 2020-02-12
Across
- The build up of toxic chemicals inside organisms in a food chain.
- Chemical reaction where glucose reacts with oxygen to release energy.
- Chemical reaction used by microorganisms (to make bread.
Down
- The process plants use to make their own food.
- The number of plants or animals of the same type that live in the same area.
- Chemical reaction which releases energy and takes place without oxygen.
- The way in which living organisms depend on each other.
- Molecule which produces energy, we get it from digested food.
8 Clues: The process plants use to make their own food. • The way in which living organisms depend on each other. • Chemical reaction used by microorganisms (to make bread. • Molecule which produces energy, we get it from digested food. • The build up of toxic chemicals inside organisms in a food chain. • ...
The Working Cell 2012-10-25
Across
- type of reaction where the end products have more energy than than the reactants did
- type of diffusion where membrane proteins assist the movement of the molecule across the membrane
- type of solution where the amount of dissolved solute is the same on the inside of the cell, as outside the cell
- type of transport across plasma membrane that requires no energy
- type of transport across plasma membrane that requires proteins and ATP
- rate of a reaction is proportional to enzyme ______________
- is selectively permeable and regulates transport of molecules in and out of cell
- type of transport the moves liquids or small particles into a cell
- sum of all chemical reactions in a cell
- type of transport that moves macromolecules out of the cell
- capacity or ability to do work
- measure of disorder or randomness
Down
- used to control metabolic pathways, where product competes for the active site of an enzyme earlier in the pathway
- energy of ____________ is the amount of energy that reactants must absorb in order to start a chemical reaction
- type of diffusion where molecules move down their concentration gradient until equilibrium is achieved and they are distributed equally. no energy or membrane required
- likely the first organic molecule to form on Earth
- a non-protein component that many enzymes require to to be efficient
- too high or too low __________________ may denature or inactivate an enzyme
- reactant in an enzymatic reaction
- globular proteins that are organic catalysts, efficient at their job, and not degraded upon job completion
20 Clues: capacity or ability to do work • reactant in an enzymatic reaction • measure of disorder or randomness • sum of all chemical reactions in a cell • likely the first organic molecule to form on Earth • rate of a reaction is proportional to enzyme ______________ • type of transport that moves macromolecules out of the cell • ...
Chemistry Revision 2025-11-25
Across
- Mass ÷ volume =
- What the particle model has when it simplifies real particles.
- A large amount of solute in a solvent
- What is broken when a liquid turns to a gas
- A reaction that absorbs heat and breaks bonds.
- Solid → liquid.
- A change where no new substance is made.
- Liquid → solid.
Down
- Solid → gas.
- Gas → liquid.
- A state of matter with fixed shape, volume and the particles vibrate on the spot.
- A reaction that releases heat and forms bonds.
- The amount of space something takes up.
- A reaction that forms new substances.
- State of matter with no fixed shape or volume.
- Substance with more than one component making it a mixture.
- A substance made of only one type of particle.
17 Clues: Solid → gas. • Gas → liquid. • Mass ÷ volume = • Solid → liquid. • Liquid → solid. • A large amount of solute in a solvent • A reaction that forms new substances. • The amount of space something takes up. • A change where no new substance is made. • What is broken when a liquid turns to a gas • A reaction that releases heat and forms bonds. • ...
Thermochemistry crossword 2023-04-28
Across
- Process of measuring the amount of heat released or absorbed through a chemical reaction
- Accompanied by or requiring the absorption of heat
- Unit of work or energy equal to the work done by 1N when it’s point of application moves 1 m in the direction of action of the force
- Heat absorbed when a liquid vaporizes
- Energy that is transferred from one body to another as the result of difference in temperature
- The heat required to raise the temperature of the unit mass of a given amount
- Unit of temperature on a scale based on 0° for the freezing of water, and 100° for the boiling point of water
- The process where heat is transmitted directly through a substance or collision of neighboring molecules
Down
- Accompanied by the release of heat
- The end result of a chemical reaction
- Heat transfer through the emission of energy as electromagnetic waves
- Energy which a body possesses by virtue of being in motion
- Heat required to melt a solid
- A branch of chemistry dealing with the quantities of heat evolved or absorbed during chemical reactions
- A substance that takes part and undergoes change during a reaction
- SI unit of thermodynamic temperature
- A unit of energy equal to the heat energy needed to raise the temperature of 1 g of water by 1°C
- The movement cause within a fluid by hotter and less dense material rising and colder, denser material sinking, leading to heat transfer
- Energy contained within a system that is responsible for its temperature
19 Clues: Heat required to melt a solid • Accompanied by the release of heat • SI unit of thermodynamic temperature • The end result of a chemical reaction • Heat absorbed when a liquid vaporizes • Accompanied by or requiring the absorption of heat • Energy which a body possesses by virtue of being in motion • A substance that takes part and undergoes change during a reaction • ...
Marco 2.1 vocab 2021-10-26
8 Clues: a change in matter • a chemical reaction • a chemical reaction • a chemical reaction • material that has mass • a chemical change a process that changes substance • a substance that are formed during a chemical reaction • the substances present before a chemical reaction occurs
Carbon and the Earth 2023-02-02
Across
- All water on Earth
- A pyramid that show the amount present at each trophic level in a given area
- The sum of all the life on Earth
- The movement of substances that involves Earth’s physical features
- primary molecule used by cells to store chemical energy
- The portion of the Earth system that includes Earth’s interior
- A gas found in Earth's atmosphere produced by animals during respiration or during burning
- The ending substance, written on the right side of the chemical reaction arrow
- An organism that obtains its energy from an abiotic source
- The process by which cells convert chemical energy
- An element that is an essential building block of organic compounds
Down
- An organism’s position on a food chain
- The whole mass of air surrounding Earth
- the process of decaying
- A biomolecule that is used as a primary energy source and structural support
- A monosaccharide sugar
- The process of captured light energy to convert carbon dioxide and water
- The conversion of inorganic carbon to organic molecule
- A substance composed of multiple elements combined in fixed proportions
- One of the primary substances that make up matter
- Containing the element carbon
- The starting substance, written on the left side of the chemical reaction arrow
- Organisms such as bacteria and fungi that break down the remains
- The continuous movement of carbon in and among the abiotic environment and living things
- Matter that does not contain carbon
25 Clues: All water on Earth • A monosaccharide sugar • the process of decaying • Containing the element carbon • The sum of all the life on Earth • Matter that does not contain carbon • An organism’s position on a food chain • The whole mass of air surrounding Earth • One of the primary substances that make up matter • The process by which cells convert chemical energy • ...
Cells and Metabolism 2022-02-24
Across
- the series of reactions that occur in the mitochondria during aerobic respiration; another name for the krebs cycle
- muscle that is not under our conscious control
- a protein that increases the speed of chemical reactions
- the site of cellular respiration
- the energy required to get a chemical reaction started
- an enzyme that breaks down fats
- the transport of materials into or out of a cell in membrane-bound sacs
- a nerve cell
- tissue that forms the outer part of the skin and lines hollow organs
- the process by which a cell surrounds and takes in solid particles
- a group of cells that are similar in structure and function
- a lipid molecule that contains a phosphate group
Down
- a difference in concentration of a solution
- a molecule that stores energy in cells
- a molecule upon which an enzyme acts
- all chemical reactions occurring in a living organism
- a protein that allows ions, water and small molecules to pass through the cell membrane
- tissue providing support for body organs
- chemical reactions that break down large organic molecules into smaller ones, with the release of energy
- a membrane that forms the external boundary of a celll
- a small membrane-bound cavity in the cytoplasm of a cell
- the diffusion of water molecules through a semi-permeable membrane
- the ions or inorganic molecules required by enzymes to catalyse a reaction
23 Clues: a nerve cell • an enzyme that breaks down fats • the site of cellular respiration • a molecule upon which an enzyme acts • a molecule that stores energy in cells • tissue providing support for body organs • a difference in concentration of a solution • muscle that is not under our conscious control • a lipid molecule that contains a phosphate group • ...
Elements and Compounds 2025-02-09
Across
- minerals rich in metals such as copper and iron; the pure metal can be extracted from the ore
- a simple chemical equation where chemicals are represented by their names
- evaporation of solvent from a solution to leave solute behind as crystals
- Describes elements that consists of a single atom
- The smallest building blocks of matter
- a substance that dissolves another substance
- any chemical reaction where a substance burns in oxygen to produce light and heat Corrosion: when a metal reacts
- a simplified representation of solids, liquids and gases
- a mixture in which one substance is dissolved in another
- Shiny
- an increase in size
Down
- A substance being dissolved
- describes a substance that can chemically dissolve other substances
- the chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the Sun
- The characteristics of a substance
- an electrical switch used in computers to process data quickly
- a process where two liquids or two gases mix due to the motion of their particles
- the substance found in plant leaves that make leaves green and collects energy from the Sun for photosynthesis
- the first chemical explosive; made up of a mixture of saltpeter, sulfur and carbon
- a change of state where a gas is cooled and forms a liquid
- an alloy of copper and tin that is much harder than pure copper
- a change of state
- any combination of two or more elements and compounds
23 Clues: Shiny • a change of state • an increase in size • A substance being dissolved • The characteristics of a substance • The smallest building blocks of matter • a substance that dissolves another substance • Describes elements that consists of a single atom • any combination of two or more elements and compounds • a simplified representation of solids, liquids and gases • ...
Elements and Compounds 2025-02-09
Across
- minerals rich in metals such as copper and iron; the pure metal can be extracted from the ore
- a simple chemical equation where chemicals are represented by their names
- evaporation of solvent from a solution to leave solute behind as crystals
- Describes elements that consists of a single atom
- The smallest building blocks of matter
- a substance that dissolves another substance
- any chemical reaction where a substance burns in oxygen to produce light and heat Corrosion: when a metal reacts
- a simplified representation of solids, liquids and gases
- a mixture in which one substance is dissolved in another
- Shiny
- an increase in size
Down
- A substance being dissolved
- describes a substance that can chemically dissolve other substances
- the chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the Sun
- The characteristics of a substance
- an electrical switch used in computers to process data quickly
- a process where two liquids or two gases mix due to the motion of their particles
- the substance found in plant leaves that make leaves green and collects energy from the Sun for photosynthesis
- the first chemical explosive; made up of a mixture of saltpeter, sulfur and carbon
- a change of state where a gas is cooled and forms a liquid
- an alloy of copper and tin that is much harder than pure copper
- a change of state
- any combination of two or more elements and compounds
23 Clues: Shiny • a change of state • an increase in size • A substance being dissolved • The characteristics of a substance • The smallest building blocks of matter • a substance that dissolves another substance • Describes elements that consists of a single atom • any combination of two or more elements and compounds • a simplified representation of solids, liquids and gases • ...
Unit 1 Review JC 2022-12-08
Across
- Tendancy of water to rise in a thin tube
- A pure substance that consists of one type of atom
- Splitting a compound with the addition of water
- Dissolves other material/Solute
- Chemical reaction resulting from losing water molecules
- Used for source of energy
- When there is an uneven distribution of electrons in a water molecule
- A material composed of two ore more elements that are physically mixed together not chemically.
- Holds and Measures solutions/reactions.
- The variable being measured.
- When two or more different types of atoms are chemically bonded.
- the material being dissolved
- The process of breaking down larger molecules for smaller molecules
- The process of creating large molecules from smaler molecules
- Holds and contains energy
- located around the Nucleus and is a negatively charged subatomic particle
Down
- Transmits and stores genetic information and material
- large molecule made up from small molecules
- Attraction of molecules of a different subastance
- Chemical reactions that absorb energy
- Broken down to glucose and ATP
- The variable that remains constant.
- The basic unit of life.
- Positvely charged subatomic particle
- A(Blank) is used to transfer and pick up small amounts of liquid.
- The variable being changed.
- Chemical reactions that release energy
- Attraction of molecules of the same substance
- Controls enzymes/reactions
- Holds solutionss and reactions.
- A substance on which an enzyme acts during a chemical reaction.
- Nuetrally charged subatomic particle
32 Clues: The basic unit of life. • Used for source of energy • Holds and contains energy • Controls enzymes/reactions • The variable being changed. • The variable being measured. • the material being dissolved • Broken down to glucose and ATP • Dissolves other material/Solute • Holds solutionss and reactions. • The variable that remains constant. • Positvely charged subatomic particle • ...
Unit 2 choice board puzzle 2022-09-21
Across
- The steps in photosynthesis that occur on the thylakoid membranes of the chloroplast and that convert solar energy to the chemical energy of ATP and NADPH, evolving oxygen in the process.
- A mixture of gases that surrounds a planet or moon.
- second stage of cellular respiration
- Series of electron carrier proteins that shuttle high energy electrons during ATP-generating reactions
- Ending materials in a chemical reaction.
- Process by which cells release energy in the absence of oxygen
- Process that does not require oxygen
- A starting material in a chemical reaction
Down
- Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.
- The solid part of the earth consisting of the crust and outer mantle
- Anything that has mass and takes up space
- microorganisms break down sugars to form carbon dioxide and ethanol
- product of fermentation in many types of cells, including human muscle cells.
- end product of glycolysis
- The chemical element of atomic number 6
- process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high energy carbohydrates such as sugars and starches
- Capture energy from sunlight and use it to produce food for the cell. (only in plants)
- form of sugar that circulates through blood
- energy carrying coenzyme
- All the water at and near the surface of the earth, 97% of which is in oceans
- molecules that stores energy
21 Clues: energy carrying coenzyme • end product of glycolysis • molecules that stores energy • second stage of cellular respiration • Process that does not require oxygen • The chemical element of atomic number 6 • Ending materials in a chemical reaction. • Anything that has mass and takes up space • A starting material in a chemical reaction • ...
CHEMISTRY CROSSWORD 2025-05-21
Across
- – Region around an atom’s nucleus where electrons are found
- – Number in front of a formula that tells you how many molecules
- – Bond where atoms share electrons
- – How strongly an atom attracts electrons in a bond
- – Two or more atoms joined together
- – Process that makes glucose using sunlight
- – Process that breaks down glucose to release energy
- – The column number in the periodic table, same as the number of outer electrons
- – Ice melting is an example of this kind of change
Down
- – Substance made of only one type of atom
- – Triangle used to find mass, moles or relative formula mass (4,8)
- – Substance made from two or more elements chemically bonded
- – Combustion is an example of this kind of change
- – Bond formed between metals and non-metals by electron transfer
- – Metal with a relative atomic mass of 24 g/mol
- – Constant equal to the number of particles in one mole (9,6)
- – Smallest particle of an element that still keeps its properties
- – Unit that counts particles in chemistry, like a chemist’s dozen
- – Substances you end up with in a chemical reaction
- – A set of chemical symbols that shows what atoms are in a substance
- – The row number in the periodic table, same as the number of shells
- – Number written small and low to show how many atoms in a molecule
- – Substances you start with in a chemical reaction
- – What atoms do with electrons in a covalent bond
24 Clues: – Bond where atoms share electrons • – Two or more atoms joined together • – Substance made of only one type of atom • – Process that makes glucose using sunlight • – Metal with a relative atomic mass of 24 g/mol • – Combustion is an example of this kind of change • – What atoms do with electrons in a covalent bond • – Substances you start with in a chemical reaction • ...
Vocab Crossword 2019-08-23
Across
- Characteristics of a chemical.
- The force of attraction between two atoms which holds them together.
- Something you can touch.
- The process of a liquid forming into a solid
Down
- What represents the atoms in a compound?
- When a substance changes its physical form
- The energy absorbed or released during a change of phase
- The chemical process of forming new materials.
- The opposite of evaporation
- the process of a gas forming into a solid
- Two or more atoms combined.
- The process of a solid changing to a lquid
12 Clues: Something you can touch. • The opposite of evaporation • Two or more atoms combined. • Characteristics of a chemical. • What represents the atoms in a compound? • the process of a gas forming into a solid • When a substance changes its physical form • The process of a solid changing to a lquid • The process of a liquid forming into a solid • ...
Enzymes and Cellular Respiration 2022-11-06
Across
- the energy that cells in living organisms use to function
- enzymes which completely dictate how well a chemical reaction will do
- the extra piece needed for enzymes to function
Down
- energy required for a chemical reaction to start
- the area of the enzyme where the substrate can bond to the enzyme
- the chemical process which turns glucose and oxygen into ATP energy, carbon dioxide, and water
- a kind of catalyst which speeds up biochemical reactions
- how well the enzyme performs
- a substance which can speed up chemical reactions, without destroying itself
9 Clues: how well the enzyme performs • the extra piece needed for enzymes to function • energy required for a chemical reaction to start • a kind of catalyst which speeds up biochemical reactions • the energy that cells in living organisms use to function • the area of the enzyme where the substrate can bond to the enzyme • ...
Equilibria 2016-08-04
Across
- meaning of Kc
- some of the reactants and/or products in an equilibrium reaction are in different phases
- [ ] represents the equilibrium _________ in mol dm-3
- an equilibrium reaction involving reactants and products which are in the same phase
- increasing temperature decreases yield in an __________ reaction
Down
- its effect of the position of equilibrium is dependent upon the number of moles of gas
- _________ equilibrium occurs when the rate of the forward reaction and backwards reaction are equal
- altering this quantity will change the Kc value for a particular reaction
- used for the reactants and products when a chemical reaction involves just gases
- total pressure of a system is equal to the ____ of the partial pressures of each of the gases
- a principle which concerns the effect of changing conditions on the position of equilibrium
- Reactants or products can't enter of leave
- how position of equilibrium is changed by the addition of a catalyst
- A reactant or product which has a (g) in a symbol equation
14 Clues: meaning of Kc • Reactants or products can't enter of leave • [ ] represents the equilibrium _________ in mol dm-3 • A reactant or product which has a (g) in a symbol equation • increasing temperature decreases yield in an __________ reaction • how position of equilibrium is changed by the addition of a catalyst • ...
Matter Vocab 2025-09-12
Across
- A mixture in which composition is not uniform throughout
- Also known as a chemical reaction, this is a process where a substance transforms into one or more new substances
- A characteristic of a substance that can be identified without changing the substance
- Has a firm and stable shape; not liquid/fluid
- A homogeneous mixture of one or more solutes dissolved in a solvent
- A substance that flows freely, but is of consistent volume, having a consistency like that of water or oil
- This contains different elements chemically combined in a fixed ratio\
- A fluid's resistance to flow; often referred to as the thickness of fluid
Down
- A combination of substances that are evenly distributed, resulting in a uniform composition
- A pure chemical substance made of the same type of atom
- This describes how a substance changes into a different substance during a chemical reaction
- A type of matter that contains only one kind of particle chemically bonded in a fixed proportion
- The process of forming crystals
- A state of matter with no fixed shape or volume
- A change in a substance's form or appearance, but not its chemical identity
- The ability to be dissolved, especially in water
- The degree of compactness of a substance
17 Clues: The process of forming crystals • The degree of compactness of a substance • Has a firm and stable shape; not liquid/fluid • A state of matter with no fixed shape or volume • The ability to be dissolved, especially in water • A pure chemical substance made of the same type of atom • A mixture in which composition is not uniform throughout • ...
Scientific reading 2025-11-26
Across
- – A common plastic material.
- – To split into smaller parts.
- – Turning waste into new material.
- – DNA from many microbes mixed.
- – Stays stable when heated.
- – How clean something is.
Down
- – Place where trash is buried.
- rate – Speed of a chemical reaction.
- – Enzyme that breaks things using water.
- – Reused forever with no waste.
- – Smallest unit of a substance.
- – Molecule with genetic information.
- – Protein that speeds reactions.
- – Ability to stay unchanged.
- – Decayed plant or food matter.
15 Clues: – How clean something is. • – Stays stable when heated. • – A common plastic material. • – Ability to stay unchanged. • – Place where trash is buried. • – To split into smaller parts. • – Reused forever with no waste. • – Smallest unit of a substance. • – DNA from many microbes mixed. • – Decayed plant or food matter. • – Protein that speeds reactions. • ...
Equilibria 2016-08-04
Across
- Reactants or products can't enter of leave
- [ ] represents the equilibrium _________ in mol dm-3
- used for the reactants and products when a chemical reaction involves just gases
- total pressure of a system is equal to the ____ of the partial pressures of each of the gases
- some of the reactants and/or products in an equilibrium reaction are in different phases
- _________ equilibrium occurs when the rate of the forward reaction and backwards reaction are equal
Down
- meaning of Kc
- how position of equilibrium is changed by the addition of a catalyst
- its effect of the position of equilibrium is dependent upon the number of moles of gas
- A reactant or product which has a (g) in a symbol equation
- a principle which concerns the effect of changing conditions on the position of equilibrium
- an equilibrium reaction involving reactants and products which are in the same phase
- altering this quantity will change the Kc value for a particular reaction
- increasing temperature decreases yield in an __________ reaction
14 Clues: meaning of Kc • Reactants or products can't enter of leave • [ ] represents the equilibrium _________ in mol dm-3 • A reactant or product which has a (g) in a symbol equation • increasing temperature decreases yield in an __________ reaction • how position of equilibrium is changed by the addition of a catalyst • ...
Fundamental Explosives Terminology for Training 2025-09-24
Across
- Lowest temperature at which a substance catches fire
- Shattering power of an explosion
- Burning that occurs below the speed of sound
- Burning or melting device to start a reaction
- Material that catches fire in air
- Beginning of an explosive reaction
- Chemical providing oxygen for burning
- Attracts water from the air
- Substance added to make explosives safer/more stable
Down
- Small explosive that increases another’s power
- Easily ignitable material to start fire
- Fast reaction with oxygen releasing heat and light
- Diameter Smallest size of explosive charge that detonates properly
- Small area in explosive that overheats and ignites
- Explosive Explodes with a shock wave
- Amount of empty space in a material
- Small device that sets off an explosive
17 Clues: Attracts water from the air • Shattering power of an explosion • Material that catches fire in air • Beginning of an explosive reaction • Amount of empty space in a material • Chemical providing oxygen for burning • Easily ignitable material to start fire • Explosive Explodes with a shock wave • Small device that sets off an explosive • ...
Impossible Crossword Just Give Up 2022-04-04
Across
- The chemical reaction that synthesizes nutrients from carbon dioxide to water
- representation of solids, liquids and gases
- a microscope that can see atoms by scanning the surface of crystals and sensing the atoms bumping on the surface
- collects energy from the sun to make leaves green
- the term used to describe the structure of the DNA molecule
Down
- the reaction when limestone and marble reacts chemically
- solid to gas
- a simple chemical equation where chemicals are represented by their names
- evaporation of solvent from a solution to leave solute behind as crystals
- a form of sugar produced during photosynthesis
- long cables with a silica core that guides light signals from 1 end to the other
- a solid formed during a chemical change
12 Clues: solid to gas • a solid formed during a chemical change • representation of solids, liquids and gases • a form of sugar produced during photosynthesis • collects energy from the sun to make leaves green • the reaction when limestone and marble reacts chemically • the term used to describe the structure of the DNA molecule • ...
Bio II Ch 2 vocab crossword 2020-09-24
Across
- A substance containing two or more elements in a fixed ratio
- Thermal energy; the amount of energy associated with the movement of the atoms and molecules in a body of matter
- A measure of the intensity of heat in degrees
- The binding together of like molecules, often by hydrogen bonds
- Anything that occupies space and has mass
- The attraction between different kinds of molecules
- The dissolving agent of a solution
- A substance that is dissolved in a solution
- An atom that has gained or lost one or more electrons, thus acquiring a charge
Down
- An ending material in a chemical reaction
- A starting material in a chemical reaction
- An electrically neutral particle
- A substance that decreases the hydrogen ion (H) concentration in a solution
- A subatomic particle with a single positive electrical charge, found in the nucleus of an atom
- A group of two or more atoms held together by covalent bonds
- A substance that increases the hydrogen ion concentration in a solution
- A subatomic particle with a single negative electrical charge
- A chemical substance that resists changes in pH by accepting hydrogen ions from or donating hydrogen ions to solutions
- A compound resulting from the formation of ionic bonds
- A substance that cannot be broken down to other substances by chemical means
- A liquid consisting of a homogeneous mixture of two or more substances
- The small unit of matter that retains the properties of an element
22 Clues: An electrically neutral particle • The dissolving agent of a solution • An ending material in a chemical reaction • Anything that occupies space and has mass • A starting material in a chemical reaction • A substance that is dissolved in a solution • A measure of the intensity of heat in degrees • The attraction between different kinds of molecules • ...
Cell Energy Vocabulary 2014-12-31
Across
- Without oxygen
- Pigment that gives a chloroplast its green color;uses light energy to split water molecules during photosynthesis
- reaction The phase of photosynthesis not requiring light, in which carbohydrates are synthesized from carbon dioxide
- -Heme,-hemat-
- The complex process in which carbon dioxide, water and certain inorganic salts are converted into carbohydrates using energy from the sun and chlorophyll
- -Arth-
- respiration Chemical process that uses oxygen to convert chemical energy stored in organic molecules into ATP
- -Cyan-,azul-
- cycle Stage of cellular respiration that finishes the breakdown of pyruvic acid molecules
- Organism that makes its own food
- digest -Peps-,-pept-
- Thick fluid contained in the inner membrane of a chloroplast
- reaction Chemical reactions that convert the sun's energy to chemical energy; takes place in the membranes of thylakoids in the cholroplast
Down
- Cellular organelles where cellular respiration occurs
- -Rrhea-,-Rrh-,-Rheo
- The splitting in half of a glucose molecule; the first stage of cellular respiration and fermentation
- Organelle found in some plant cells and certain unicellular organisms where photosynthesis takes place
- Main energy source that cells use for most of their work
- Cellular process of making ATP without oxygen
- Organism that obtains food by eating other organisms
- Disk-shaped sacs in the stroma of a chloroplast in vascular plants---stack of thylakoids
- breathe -Pneu-,-pneum-
- -Ped,-pod,-pus
- acid A water-soluble liquid produced during muscle contraction as a product of anaerobic glucose metabolism
- -Arith
- -Chlor,verd
26 Clues: -Arth- • -Arith • -Chlor,verd • -Cyan-,azul- • -Heme,-hemat- • Without oxygen • -Ped,-pod,-pus • -Rrhea-,-Rrh-,-Rheo • digest -Peps-,-pept- • breathe -Pneu-,-pneum- • Organism that makes its own food • Cellular process of making ATP without oxygen • Organism that obtains food by eating other organisms • Cellular organelles where cellular respiration occurs • ...
Science Grade 7 Vocabulary 2022-09-15
Across
- the amount of a substance that can be dissolved at a specified temperature
- a matter or material
- a colorless, odorless, and highly flammable greenhouse gas composed of carbon and hydrogen
- a distinct form in which matter can exist
- the process of a substance transforming into a different substance
- incapable of dissolving
- the result of an action or process
- a colorless, odorless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.
- a chemical element found in the air as a colorless tasteless gas that is necessary for life.
- to break into smaller components
- a substance made by mixing other substances
Down
- capable of dissolving
- resistance of a fluid (liquid or gas) to a change in shape, or movement of neighboring portions relative to one another
- a particle that makes up all matter
- a colorless, odorless, tasteless, flammable, gaseous substance that is the simplest member of the family of chemical elements
- when matter changes to another state
- the ability to ignite easily
- any process that involves a chemical reaction
- an attribute or characteristic of something
- a substance that takes part in and changes in a chemical reaction
- the mass of a substance per unit volume
- a colorless, odorless gas produced by burning carbon and organic compounds and by respiration.
- a smell
- a group of atoms bonded together
24 Clues: a smell • a matter or material • capable of dissolving • incapable of dissolving • the ability to ignite easily • a group of atoms bonded together • to break into smaller components • the result of an action or process • a particle that makes up all matter • when matter changes to another state • the mass of a substance per unit volume • a distinct form in which matter can exist • ...
Grade 8 Integrated - Vocabulary exercise Unit 1&2 2023-10-16
Across
- the types and amounts of food consumed by an individual
- essential nutrients for growth and repair of body tissues
- a type of tissue that transports water and nutrients in plants
- epidermis, the outer layer of cells on the lower surface of leaves
- a simple carbohydrate that provides quick energy
- inorganic substances essential for bodily functions
- layer, a protective layer on the surface of leaves
- small openings on the surface of leaves
- reaction, a process that leads to the transformation of one set of chemical substances to another
- layer, a layer of cells containing chloroplasts in the interior of leaves
- a source of energy for the body
Down
- a vascular bundle in a leaf
- a vital component of all body tissues and functions
- epidermis, the outer layer of cells on the upper surface of leaves
- proteins that speed up chemical reactions in the body
- a green pigment in plants
- organic compounds necessary for normal growth and development
- a type of carbohydrate that aids in digestion
- diet, a diet that includes all necessary nutrients in proper proportions
- disease, a condition caused by a lack of essential nutrients
- a complex carbohydrate found in plants
- a substance that increases the rate of a chemical reaction without being consumed
- layer, a layer of loosely packed cells in the interior of leaves
- a nutrient that provides energy and helps with nutrient absorption
24 Clues: a green pigment in plants • a vascular bundle in a leaf • a source of energy for the body • a complex carbohydrate found in plants • small openings on the surface of leaves • a type of carbohydrate that aids in digestion • a simple carbohydrate that provides quick energy • layer, a protective layer on the surface of leaves • ...
Topical Crosswords series: Physics - Energy 2024-05-21
Across
- Ratio of useful energy output to total energy input
- Manipulation of matter on an atomic, molecular, and supramolecular scale
- Unit of energy often used in food
- Basic unit of a chemical element, central in energy changes in reactions
- Amount of matter in an object, often a factor in potential energy
- Material that resists energy transfer
- Reaction that releases energy
- Reaction that absorbs energy
- Energy stored in bonds of molecules
- Energy transfer through electromagnetic waves
- Study of heat and energy transfer
- Energy stored due to position
- Movement of energy from one place or object to another
Down
- Heat transfer through fluid movement
- SI unit of energy
- Form of energy transfer between bodies due to temperature difference
- Heat transfer through direct contact
- Force that attracts two bodies toward each other, related to potential energy
- Measure of the average kinetic energy of particles
- Quantum of electromagnetic radiation
- Force that opposes motion and converts kinetic energy to thermal energy
- Substance that provides energy as a result of a chemical change
- Energy due to motion or position
- Energy transfer when a force is applied over a distance
- Rate of energy transfer
- Energy of motion
- Total heat content of a system
- Device that converts chemical energy into electrical energy
- Type of energy harnessed from the sun
- A set of interacting components considered to be a distinct physical entity for study
30 Clues: Energy of motion • SI unit of energy • Rate of energy transfer • Reaction that absorbs energy • Reaction that releases energy • Energy stored due to position • Total heat content of a system • Energy due to motion or position • Unit of energy often used in food • Study of heat and energy transfer • Energy stored in bonds of molecules • Heat transfer through fluid movement • ...
Chem Mat Review + Chem Rxns Intro 2025-02-25
Across
- also called, “chemical reaction”, is when one substance is transformed into another substance through a chemical reaction.
- The act of giving up one benefit in order to gain another, greater benefit
- property A characteristic of a pure substance that describes its ability to change into different substances
- The amount of matter in an object
- property A characteristic of a pure substance that can be observed without changing it into another substance
- The energy an object has due to its motion
- the energy contained within a system that is responsible for its temperature
- The temperature at which a solid becomes a liquid
- How compact the particles of a substance are in a space
- The amount of space an object takes up
Down
- A physical property that describes matter as a solid, liquid, or gas.
- Collected data from observations Mat and experiments
- Basic unit of matter
- A material's ability to burn in the presence of oxygen
- also called “thermal energy”; always flows from high to low.
- Characteristic used to describe something
- Anything that has mass and takes up space
- The temperature at which a liquid changes to a gas
- A substance made up of atoms of two or more different elements joined by chemical bonds
- A pure substance made of only one kind of atom
- Two or more atoms bonded together
- a representation of an object or event that can be studied to understand the real object or event
22 Clues: Basic unit of matter • The amount of matter in an object • Two or more atoms bonded together • The amount of space an object takes up • Characteristic used to describe something • Anything that has mass and takes up space • The energy an object has due to its motion • A pure substance made of only one kind of atom • The temperature at which a solid becomes a liquid • ...
Unit 3 Vocab- Colton 2025-09-11
Across
- notation of a compounds elements and ratios
- bond between two opposite charged ions
- attraction between a metal cation and the shared electrons around it
- material that allows heat and electricity to pass through it
- the force that holds atoms or ions together
- a number In Front of a chemical equation that indicates ratios
- a material that does not allow heat or electrons move through it easy
- elements depicted by,shine, malleability and conductivity
- elements that are poor conductors of heat and electrical current
- a mixture of two or more elements at least one of which is a metal
- symbols to show the relationship between the reactants and the product
Down
- group of atoms that are joined together by covalent bonds
- bond in which two atoms share valence electrons
- law stating matter cannot be created nor destroyed yet stuck in a everlasting cycle
- ion with positive charge
- any compound that forms hydrogen ions with a pH of 7 or above
- covalent bond but electrons aren't shared evenly
- A chemical substance that is present at the END of a chemical reaction
- substance that is present at the START of a chemical reaction.
- atom with net charge
- element classified in group 18, no charge, don't bond.
- ion with negative charge
- a compound that produces hydrogen with a pH below 7
- element with the properties of both metals and non metals
- group of bonded ions with a net charge
25 Clues: atom with net charge • ion with positive charge • ion with negative charge • bond between two opposite charged ions • group of bonded ions with a net charge • notation of a compounds elements and ratios • the force that holds atoms or ions together • bond in which two atoms share valence electrons • covalent bond but electrons aren't shared evenly • ...
Ch 6&7 vocab 2024-04-02
Across
- bond - the force that holds cations and anions together
- a diagram of an atom, ion or molecule in which each dot represents a valence electron
- equation - a representation of a chemical reaction in which the reactants and products are expressed as formulas
- - a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
- - numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
- - an ion with a positive charge
Down
- bond - a chemical bond in which two atoms share a pair of valence electrons
- - new substances formed as a result of a chemical reaction
- bond - the attraction between a metal cation and the shared electrons that surround it
- formula - notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
- bond - the force that holds atoms or ions together as a unit
- - an ion with a negative charge
- - a neutral group of atoms that are joined together by one or more covalent bonds
- - an atom or group of atoms that has a positive or negative charge
- - a substance that undergoes change in a chemical reaction
15 Clues: - an ion with a negative charge • - an ion with a positive charge • bond - the force that holds cations and anions together • - new substances formed as a result of a chemical reaction • - a substance that undergoes change in a chemical reaction • bond - the force that holds atoms or ions together as a unit • ...
Unit 6 and 7 Chem. Terms 2022-06-15
Across
- Calculate this percentage to find how close your prediction was
- A reactant that is used up by the end if the experiment
- Set this up to complete your stoichiometry calculation
- The real amount of product created at the end of the reaction
- The total mass of a compound in a reaction
- Tells you how many moles of each reactant and product there are
- Studies the amounts of substances that are involved in chemical reaction
Down
- Tells you how the amount of atoms within a compound
- A predicted amount of product at the end of a reaction
- Substance produced at the end of a reaction
- A reactant that is leftover at the end of the experiment
- An equation must be this before proceeding in any calculations
- Use this when converting between particles and moles
- Use this ratio to convert between moles
- A counting unit invented by chemists to count atoms in groups
15 Clues: Use this ratio to convert between moles • The total mass of a compound in a reaction • Substance produced at the end of a reaction • Tells you how the amount of atoms within a compound • Use this when converting between particles and moles • A predicted amount of product at the end of a reaction • Set this up to complete your stoichiometry calculation • ...
Unit 6 and 7 Chem. Terms 2022-06-15
Across
- Calculate this percentage to find how close your prediction was
- A reactant that is used up by the end if the experiment
- Set this up to complete your stoichiometry calculation
- The real amount of product created at the end of the reaction
- The total mass of a compound in a reaction
- Tells you how many moles of each reactant and product there are
- Studies the amounts of substances that are involved in chemical reaction
Down
- Tells you the amount of atoms within a compound
- A predicted amount of product at the end of a reaction
- Substance produced at the end of a reaction
- A reactant that is leftover at the end of the experiment
- An equation must be this before proceeding in any calculations
- Use this when converting between particles and moles
- Use this ratio to convert between moles
- A counting unit invented by chemists to count atoms in groups
15 Clues: Use this ratio to convert between moles • The total mass of a compound in a reaction • Substance produced at the end of a reaction • Tells you the amount of atoms within a compound • Use this when converting between particles and moles • A predicted amount of product at the end of a reaction • Set this up to complete your stoichiometry calculation • ...
Chemical Equations 2024-01-11
Across
- a chemical equation written so as to satisfy the law of conservation of mass
- a number in front of a chemical substance that says how many of it in a chemical reaction
- a tiny number lower than a chemical letter that says how many atoms of it in a molecule
Down
- a way of writing down a chemical reaction in symbols (2 words)
- the starting materials in a chemical reaction
- the outcome substances of a chemical reaction
6 Clues: the starting materials in a chemical reaction • the outcome substances of a chemical reaction • a way of writing down a chemical reaction in symbols (2 words) • a chemical equation written so as to satisfy the law of conservation of mass • a tiny number lower than a chemical letter that says how many atoms of it in a molecule • ...
Chemical Reactions 2023-02-04
Across
- : one of the high reactive atoms
- the breaking apart of a compound
- AB + C -> AC+ B
- resulting compound made in a reaction
- substance reacting together
Down
- : when a substance reacts with oxygen
- the formation of a new substance
- : any substance reacting
- a reaction that releases energy
- a reaction that absorbs more energy
10 Clues: AB + C -> AC+ B • : any substance reacting • substance reacting together • a reaction that releases energy • the formation of a new substance • : one of the high reactive atoms • the breaking apart of a compound • a reaction that absorbs more energy • : when a substance reacts with oxygen • resulting compound made in a reaction
Rates of Reaction 2024-06-06
8 Clues: affects rate of reaction • line that touches a curve • substance going into a reaction • weight of an object or substance • how quickly a reaction takes place • causes rate of reaction to increase • theory used to predict rate of reaction • a substance formed in a chemical reaction
Unit 6 and 7 Chem. Terms 2022-06-15
Across
- Calculate this percentage to find how close your prediction was
- A reactant that is used up by the end if the experiment
- Set this up to complete your stoichiometry calculation
- The real amount of product created at the end of the reaction
- The total mass of a compound in a reaction
- Tells you how many moles of each reactant and product there are
- Studies the amounts of substances that are involved in chemical reaction
Down
- Tells you how the amount of atoms within a compound
- A predicted amount of product at the end of a reaction
- Substance produced at the end of a reaction
- A reactant that is leftover at the end of the experiment
- An equation must be this before proceeding in any calculations
- Use this when converting between particles and moles
- Use this ratio to convert between moles
- A counting unit invented by chemists to count atoms in groups
15 Clues: Use this ratio to convert between moles • The total mass of a compound in a reaction • Substance produced at the end of a reaction • Tells you how the amount of atoms within a compound • Use this when converting between particles and moles • A predicted amount of product at the end of a reaction • Set this up to complete your stoichiometry calculation • ...
chemical reactions project 2023-11-17
Across
- a substance formed when two or more elements chemically combine in fixed proportions
- Element an element that naturally exists as molecules composed of two atoms bonded together
- Replacement Two reacting compounds switch their “partners”
- (or Combination)Two or more elements COMBINE to create ONE PRODUCT.
- when electrons are transferred from one atom to another, resulting in the formation of positive and negative ions.
- an electrically charged particle formed when an atom gains or loses electrons
- a substance that takes part in a chemical reaction, undergoing a change in composition.
- One reactant breaks down into multiple, simpler products
Down
- Any hydrocarbon (CxHy or CxHyOz) reacting with oxygen releases heat, carbon dioxide, and water
- A coefficient is a number placed in front of a chemical formula in a balanced chemical equation
- a small number written to the right and slightly below a chemical symbol. It indicates the number of atoms of an element in a molecule
- when atoms share electrons. It typically involves nonmetals.
- Replacement a singular element switches places with another element that is in a compound
- a substance that is formed as a result of a chemical reaction.
14 Clues: One reactant breaks down into multiple, simpler products • Replacement Two reacting compounds switch their “partners” • when atoms share electrons. It typically involves nonmetals. • a substance that is formed as a result of a chemical reaction. • (or Combination)Two or more elements COMBINE to create ONE PRODUCT. • ...
Random Puzzle 2025-03-10
Across
- A substance with a distinct molecular composition that is produced by or used in a chemical process.
- The basic structural and functional unit of all living organisms.
- The amount of matter in an object, typically measured in grams or kilograms.
- The process of burning something.
- Related to properties or changes in matter that do not alter its chemical composition.
- A solid that forms and settles out of a liquid mixture during a chemical reaction.
- A biological process in which organisms convert oxygen and glucose into energy, releasing carbon dioxide and water.
- A representation of an object, system, or concept used to explain and predict its behavior.
Down
- The process by which green plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen.
- A thing or person that is the result of an action or process.
- A substance that takes part in and undergoes change during a reaction.
- A pure substance consisting of only one type of atom, defined by its atomic number.
- A group of two or more atoms chemically bonded together.
- The smallest unit of an element that retains its chemical properties, consisting of a nucleus surrounded by electrons.
- A thing or person that is the result of an action or process.
15 Clues: The process of burning something. • A group of two or more atoms chemically bonded together. • A thing or person that is the result of an action or process. • A thing or person that is the result of an action or process. • The basic structural and functional unit of all living organisms. • A substance that takes part in and undergoes change during a reaction. • ...
fuel system 2023-03-02
Across
- heating value
- not thermal but _________
- required for fuel tanks
- oil
- connects cylindrical tanks
- stores fuel
- computer
- diesel fuel
Down
- water in fuel
- filter
- antiknock quality
- ignition quality
- resistance
- point where vapors ignite
- cleans fuel
- cyclohexanol nitrate
- filter
- enables chemical reaction
- compressed natural gas
- NOx+HC+ultraviolet ight+time
- water form
21 Clues: oil • filter • filter • computer • resistance • water form • cleans fuel • stores fuel • diesel fuel • water in fuel • heating value • ignition quality • antiknock quality • cyclohexanol nitrate • compressed natural gas • required for fuel tanks • point where vapors ignite • not thermal but _________ • enables chemical reaction • connects cylindrical tanks • NOx+HC+ultraviolet ight+time
Beginner's Luck (Easy) 2017-10-24
Across
- Heat unit
- Proton acceptor
- Chlorine or bromine
- Radioactive elements
- _______ flask
- On target
- Seven
- Reaction accelerant
- Solute + solvent
- Element number 16
Down
- Type of gas
- Shell
- Concentration unit
- Atomic linkage
- Phase change
- Pressure unit
- Not neutral
- Type of mixture
- Wave period
- Chemical equation species
- Temperature unit
- 6.02x10^23
22 Clues: Shell • Seven • Heat unit • On target • 6.02x10^23 • Type of gas • Not neutral • Wave period • Phase change • Pressure unit • _______ flask • Atomic linkage • Proton acceptor • Type of mixture • Temperature unit • Solute + solvent • Element number 16 • Concentration unit • Chlorine or bromine • Reaction accelerant • Radioactive elements • Chemical equation species
Unit 6 and 7 Chem. Terms 2022-06-15
Across
- Calculate this percentage to find how close your prediction was
- A reactant that is used up by the end if the experiment
- Set this up to complete your stoichiometry calculation
- The real amount of product created at the end of the reaction
- The total mass of a compound in a reaction
- Tells you how many moles of each reactant and product there are
- Studies the amounts of substances that are involved in chemical reaction
Down
- Tells you how the amount of atoms within a compound
- A predicted amount of product at the end of a reaction
- Substance produced at the end of a reaction
- A reactant that is leftover at the end of the experiment
- An equation must be this before proceeding in any calculations
- Use this when converting between particles and moles
- Use this ratio to convert between moles
- A counting unit invented by chemists to count atoms in groups
15 Clues: Use this ratio to convert between moles • The total mass of a compound in a reaction • Substance produced at the end of a reaction • Tells you how the amount of atoms within a compound • Use this when converting between particles and moles • A predicted amount of product at the end of a reaction • Set this up to complete your stoichiometry calculation • ...
Solubility 2020-05-31
Across
- doesn't completely ionize in water
- a solid or precipitate forms when we mix two solutions
- doesn't dissolve in water
- completely ionizes in solution
- dissolves in water
- equation the complete neutral formulas for each compound in a reaction as if they existed as molecules
- shows only the species that actually change during the reaction
Down
- conduct electricity weakly
- substances that completely dissociate into ions when they dissolve in water
- ions that do not participate in the reaction
- substances that dissolve in water
- compounds that do not dissociate into ions when dissolved in water
- lists all of the ionspresent as either reactants or products in a chemical reaction
13 Clues: dissolves in water • doesn't dissolve in water • conduct electricity weakly • completely ionizes in solution • substances that dissolve in water • doesn't completely ionize in water • ions that do not participate in the reaction • a solid or precipitate forms when we mix two solutions • shows only the species that actually change during the reaction • ...
Cellular Energy 2022-01-12
Across
- product of the light-dependent reaction
- where the Krebs cycle occurs
- where photosynthesis occurs
- cellular respiration is an _______ process
- reactant of the light-independent reaction
- the breakdown of what molecule provides energy to reattach the phosphate group to ADP
Down
- where the light-dependent reaction occurs
- if there is no oxygen present a cell will undergo this instead of cellular respiration
- glucose is split into 2 of these molecules during glycolysis
- organisms use chemical energy to make food
- this type of fermentation occurs in muscles of humans
- where the light-independent reaction occurs
- process where glucose is split into 2 molecules
13 Clues: where photosynthesis occurs • where the Krebs cycle occurs • product of the light-dependent reaction • where the light-dependent reaction occurs • organisms use chemical energy to make food • cellular respiration is an _______ process • reactant of the light-independent reaction • where the light-independent reaction occurs • ...
Photosynthesis Crossword 2023-05-08
Across
- an organelle which contains chlorophyll
- process which creates food for the plant
- retrieves water from the ground and transfers it to the leaves
- where photosynthesis occurs
- is combined with another substance to form new substances in a chemical reaction
- a gas needed for photosynthesis
Down
- type of sugar created through photosynthesis which fuels the plant
- a pigment which allows the plant to absorb energy from the Sun
- allows gases in and out of the plant
- distributes nutrients throughout the plant
- type of energy which from the Sun; necessary for photosynthesis
- a gas created through photosynthesis
- is the result of a chemical reaction
13 Clues: where photosynthesis occurs • a gas needed for photosynthesis • allows gases in and out of the plant • a gas created through photosynthesis • is the result of a chemical reaction • an organelle which contains chlorophyll • process which creates food for the plant • distributes nutrients throughout the plant • a pigment which allows the plant to absorb energy from the Sun • ...
Photosynthesis Crossword 2023-02-07
Across
- The end result of a chemical reaction
- Distributes water to a plant
- Process by which a plant converts light energy to chemical energy to make its own food
- A reactant of photosynthesis, sugar
- Carries glucose to the plant
Down
- Pigment in the chloroplasts which absorbs the sun's energy
- Something that starts a chemical reaction
- The organelle which photosynthesis takes place
8 Clues: Distributes water to a plant • Carries glucose to the plant • A reactant of photosynthesis, sugar • The end result of a chemical reaction • Something that starts a chemical reaction • The organelle which photosynthesis takes place • Pigment in the chloroplasts which absorbs the sun's energy • ...
Biology Vocab 2024-11-11
Across
- specialized structure that performs important cellular functions within a eukaryotic cell
- process of noticing and describing events or processes in a careful, orderly way
- compound that produces hydroxide ions in a solution; solution with a pH of less than 7
- a preference or point of view that is personal, not scientific
- in cells, structure that contains a cell's genetic material in the form of DNA
- basic unit of all forms of life
- subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
- cell organelle that stores materials like water, salts, proteins, and carbohydrates
- a logical interpretation based on prior knowledge and experience
- substance formed by the chemical combination of two or more elements in definite proportions
- organism whose cells contain a nucleus
- one of several forms of a single element, which contains the same number of protons but different numbers of neutrons
- elements or compounds that enter into a chemical reaction
- cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell
- compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
- material composed of two or more elements or compounds that are physically mixed together but not chemically combined
- mixture of water and an undissolved material
- substance that is dissolved in a solution
- reactant of an enzyme-catalyzed reaction
- in cells, structure that contains the cell's genetic material in the form of DNA
- unicellular organism that lacks a nucleus
- macromolecule that is needed by the body for growth and repair
Down
- possible explanation for a set of observations or possible answer to a scientific question
- evidence; information gathered from observations
- smallest unit of most compounds that displays all the properties of that compound
- combination of chemical reactions through which an organism builds up or breaks down materials
- cell organelle consisting of RNA and protein found throughout the cytoplasm in the cell
- small chemical unit that makes up a polymer
- pure substance that consists entirely of one type of atom
- dissolving substance in a solution
- well-tested explanation that unifies a broad range of observations and hypotheses
- atom that has a positive or negative charge
- compound that prevents sharp, sudden changes in pH
- macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
- organelle that is found in the cells of plants and some other organisms that captures energy from sunlight and converts it into chemical energy
- signal to which an organism responds
- protein catalyst that speeds up the rate of specific biological reactions
- genetic material that organisms inherit from their parents
- attraction between molecules of the same substance
- molecules composed of many monomers; makes up macromolecules
- fluid portion of the cell outside the nucleus
- force of attraction between different kinds of molecules
- to change over time
- compound that forms hydrogen ions in a solution; a solution with a pH of less than 7
- relatively constant internal physical and chemical conditions that organisms maintain
- elements or compounds produced by a chemical reaction
- substance that speeds up the rate of a chemical reaction
- type of mixture in which all the components are evenly distributed
- scientific study of life
- the basic unit of matter
- negatively charged particle; located in the space surrounding the nucleus
51 Clues: to change over time • scientific study of life • the basic unit of matter • basic unit of all forms of life • dissolving substance in a solution • signal to which an organism responds • organism whose cells contain a nucleus • reactant of an enzyme-catalyzed reaction • substance that is dissolved in a solution • unicellular organism that lacks a nucleus • ...
Unit 4b Vocab 2023-01-20
Across
- Layer of cellulose outside cell membrane
- Membrane-bound organelle, stores materials
- processes that don't require oxygen
- materials that exit a reaction
- Little organs
- Organelle in cells that synthesize proteins
- chemical reaction which produces light and heat, releases carbon dioxide into atmosphere
- processes that do require oxygen
- materials that go into a reaction
Down
- membrane-bound organelle with digestive enzymes to break down large enough materials
- green membrane-bound organelle found in plant cells
- semi-permeable membrane surrounds cytoplasm of cell
- Cellular energy
- membrane-bound organelle->food energy-> cellular energy through respiration
- process in chloroplast that produces high energy sugars
15 Clues: Little organs • Cellular energy • materials that exit a reaction • processes that do require oxygen • materials that go into a reaction • processes that don't require oxygen • Layer of cellulose outside cell membrane • Membrane-bound organelle, stores materials • Organelle in cells that synthesize proteins • green membrane-bound organelle found in plant cells • ...
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Physical and Chemical Crossword Puzzle 2020-04-01
Across
- Animals can dig burrows causing rock to expose.
- Process which the outer layers slowly peel away.
- Roots grow into the cracks as the plants grow.
- Breaking down and wearing away due to water.
- Chemical reaction where rock material adds with oxygen.
- Breaking down of rock due to chemical reaction.
Down
- Simple plant that forms a leaf like shape.
- Grow in different places on cave ceiling
- Acids in the atmosphere are created with water.
- Breaking down of rock without a change.
- Ice wedging causes rock to break into smaller pieces.
- Circular depression that forms and occurs in Florida.
- Breaking down and wearing away due to wind blowing.
13 Clues: Breaking down of rock without a change. • Grow in different places on cave ceiling • Simple plant that forms a leaf like shape. • Breaking down and wearing away due to water. • Roots grow into the cracks as the plants grow. • Animals can dig burrows causing rock to expose. • Acids in the atmosphere are created with water. • ...
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Plant vocab review! 2021-03-31
Across
- The large central sac that acts as storage for the cell
- Organelle responsible for cell respiration
- Organelle responsible for photosynthesis
- The openings on the underside of a leaf (plural)
- The process of water being pulled up the roots and out through the leaves
- The process when pollen & ovule combine to make seeds
- Type of tissue that makes up the outer covering of a plant
- This is what the ovules become after fertilization (plural)
- A characteristic that allows an organism to survive and reproduce
- This is what the ovary becomes after fertilization
- Layer of leaf responsible for photosynthesis
- Type of tissue where new growth happens
- The substances made by a reaction (plural)
- Type of tissue that helps with storage, support, or photosynthesis
- The transfer of pollen from one flower to another
- Tube that transports water in one direction
Down
- Chemical reaction that uses light to create sugar
- Organelle the controls cell function and protects its DNA
- Type of tissue that transports water & sugars
- A temporary period of inactivity
- The directional growth of a plant in response to a stimulus
- The female reproductive part of a flower
- The male reproductive part of a flower
- The substances that are used in a reaction (plural)
- The reproductive structure of an angiosperm plant
- Chemical reaction that changes sugar into usable energy
- The process where seeds sprout and begin to grow
- Tube that transports sugars in both directions
- Layer of lead responsible for gas exchange
- A rigid structure that surrounds a plant cell
30 Clues: A temporary period of inactivity • The male reproductive part of a flower • Type of tissue where new growth happens • Organelle responsible for photosynthesis • The female reproductive part of a flower • Organelle responsible for cell respiration • Layer of lead responsible for gas exchange • The substances made by a reaction (plural) • ...
Lab equipment Tessa & Florine 2017-03-02
Across
- a table to do experiments
- to do chemical reaction (little quantity reagent)
- to hold a burette
- to realize chemical reaction with Ionic compound
- to do disolution and water-based solution
- to protect your eyes
Down
- a piece of clothing you want war in the lab
- to measure a quantity and her graduactions are not exact
- to pratect your hands
- long and thin in glass with graduation element to do a titration
- to put test tube for not break it
- to stock product and her graduations are not exact
- to take test tube for didn't burn you
13 Clues: to hold a burette • to protect your eyes • to pratect your hands • a table to do experiments • to put test tube for not break it • to take test tube for didn't burn you • to do disolution and water-based solution • a piece of clothing you want war in the lab • to realize chemical reaction with Ionic compound • to do chemical reaction (little quantity reagent) • ...
Materials_Chemical Reaction 2025-02-17
Across
- Synthetic polymer is divided into linear, ........, cross-linked.
- It means many.
- Two hydrogen atoms and one oxygen atom.
- Can change, a number before an element or a compound.
- Always written on the left.
- A number after and element and you can't change.
- Out, released.
- Polymers with low melting point and reusable.
- Inorganic, non-metallic solids.
- Element "K".
- You can't bring it back.
- Law of ................. of mass.
- Human bones are composed of ............. and hydroxyapatite.
Down
- Made up of repeating smaller molecules.
- Products are always H2O and CO2.
- Producing heat energy and is exothermic.
- H2O, CO2, C6H12O6.
- What to do with coefficient and subscript?
- Synthetic polymer that are often used daily.
- Na,K,Fe,Mg,N,C,Ar.
- In, absorbed.
- Produced after a reaction.
- An example of a natural polymer.
- Another word for equal.
- Polymer that is man-made.
- Easy to break.
- A process when monomers are put together.
- One sign of chemical reactions is a change in ...........
- It means chemically non-reactive.
- Clay-based ceramics.
30 Clues: Element "K". • In, absorbed. • It means many. • Easy to break. • Out, released. • H2O, CO2, C6H12O6. • Na,K,Fe,Mg,N,C,Ar. • Clay-based ceramics. • Another word for equal. • You can't bring it back. • Polymer that is man-made. • Produced after a reaction. • Always written on the left. • Inorganic, non-metallic solids. • Products are always H2O and CO2. • An example of a natural polymer. • ...
Ch 13 Vocabulary 2019-05-21
Across
- The numbers in front of the chemical formulas of the reactants and products in a balanced chemical equation. They indicate the correct ratio in which the reactants combine to form the products.
- A + B --> C
- A + BC --> AC + B
- The simplest chemical formula that can be used to represent network covalent or ionic compounds that shows the elements present in the smallest whole number ratio
- A change that alters the form of a substance but does not change the chemical identity of the substance
Down
- AB + CD --> AD + CB
- The scientific law that states that mass cannot be gained or lost in a chemical reaction and that matter cannot be created or destroyed
- A --> B + C
- A transformation that alters the composition of one or more substances such that one or more new substances with new properties are produced0
- A representation of a chemical reaction written with chemical symbols and formulas
10 Clues: A --> B + C • A + B --> C • A + BC --> AC + B • AB + CD --> AD + CB • A representation of a chemical reaction written with chemical symbols and formulas • A change that alters the form of a substance but does not change the chemical identity of the substance • ...
Redox reactions 2025-07-17
Across
- A substance that loses electrons and causes another to gain them
- Particles lost or gained in redox reactions
- A word used with "oxidising" or "reducing" to describe the chemical that causes redox change
- Specific term for the corrosion of iron
- Loss of electrons or gain of oxygen
Down
- The slow destruction of metals by chemical reaction with the environment
- A substance that gains electrons and causes another to lose them
- A type of redox reaction where a more reactive element replaces a less reactive one
- A reaction involving both oxidation and reduction
- Gain of electrons or loss of oxygen
10 Clues: Gain of electrons or loss of oxygen • Loss of electrons or gain of oxygen • Specific term for the corrosion of iron • Particles lost or gained in redox reactions • A reaction involving both oxidation and reduction • A substance that gains electrons and causes another to lose them • A substance that loses electrons and causes another to gain them • ...
Vocab Crossword 2019-08-25
Across
- Characteristics of a chemical.
- The process of a liquid forming into a solid
- What represents the atoms in a compound?
- Two or more atoms combined.
- When a substance changes its physical form
- The process of a solid changing to a lquid
- The energy absorbed or released during a change of phase
Down
- The chemical process of forming new materials.
- The opposite of evaporation
- the process of a gas forming into a solid
- The force of attraction between two atoms which holds them together.
- Something you can touch.
12 Clues: Something you can touch. • The opposite of evaporation • Two or more atoms combined. • Characteristics of a chemical. • What represents the atoms in a compound? • the process of a gas forming into a solid • When a substance changes its physical form • The process of a solid changing to a lquid • The process of a liquid forming into a solid • ...
Beginner's Luck (Easy) 2017-10-24
Across
- Seven
- Shell
- Type of mixture
- Wave period
- Solute + solvent
- Not neutral
- Type of gas
- Reaction accelerant
- Chemical equation species
- 6.02x10^23
- Proton acceptor
Down
- Phase change
- Atomic linkage
- Pressure unit
- Temperature unit
- Radioactive elements
- _______ flask
- On target
- Concentration unit
- Chlorine or bromine
- Element number 16
- Heat unit
22 Clues: Seven • Shell • On target • Heat unit • 6.02x10^23 • Wave period • Not neutral • Type of gas • Phase change • Pressure unit • _______ flask • Atomic linkage • Type of mixture • Proton acceptor • Temperature unit • Solute + solvent • Element number 16 • Concentration unit • Chlorine or bromine • Reaction accelerant • Radioactive elements • Chemical equation species
Beginner's Luck (Easy) 2017-10-24
Across
- Element number 16
- Atomic linkage
- Temperature unit
- Chlorine or bromine
- Pressure unit
- Chemical equation species
- _______ flask
- Reaction accelerant
- Shell
- Not neutral
- Wave period
- Solute + solvent
Down
- Proton acceptor
- Seven
- 6.02x10^23
- Type of gas
- On target
- Radioactive elements
- Type of mixture
- Phase change
- Concentration unit
- Heat unit
22 Clues: Seven • Shell • On target • Heat unit • 6.02x10^23 • Type of gas • Not neutral • Wave period • Phase change • Pressure unit • _______ flask • Atomic linkage • Proton acceptor • Type of mixture • Temperature unit • Solute + solvent • Element number 16 • Concentration unit • Chlorine or bromine • Reaction accelerant • Radioactive elements • Chemical equation species
Oxidation and Reduction 2020-10-23
Across
- Loss of electrons and gain of oxygen
- Site at which oxidation or reduction occur : an anode or cathode
- Gain of electrons and decrease of oxidation number
- An electrode immersed in electrolyte solution that is the site of either oxidation or reduction in a voltaic cell
- A substance that reduce a chemical compound by donating electron
- Oxidation and reduction occur simultaneously
Down
- Number assigned to keep track of electron gain or loss in redox reaction
- The electron acceptor in a redox reaction
- The process of decomposing a chemical compound by passage of an electric current
- Electrode when reduction occurs
- Electrode at which oxidation occur during a cell's redox reaction
11 Clues: Electrode when reduction occurs • Loss of electrons and gain of oxygen • The electron acceptor in a redox reaction • Oxidation and reduction occur simultaneously • Gain of electrons and decrease of oxidation number • Site at which oxidation or reduction occur : an anode or cathode • A substance that reduce a chemical compound by donating electron • ...
Chemistry Crossword Puzzle 2022-02-18
Across
- flexibility of a substance to be molded or shaped
- A substance in which the atoms of 2 or more elements are combined
- A set of at least two atoms, identical or not, chemically attached to each other
- The substances produced at the end of the reaction
- A particle that makes up the nucleus of an atom and has a positive charge identical to that of the electron
- A substance that is present at the start of a chemical reaction and is used or consumed during the reaction
- an atom or molecule that has gained or lost one or more electrons.
Down
- Table a table of the chemical elements arranged in order of atomic number
- atom attractions that form substances
- The internal part of an atom. It is composed of neutrons and protons
- A negatively charged particle that comprises the external part of the atom
- solution solution that uses water as the solvent
- Point The point in temperature when the solid starts to liquefy
- A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
- An uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
15 Clues: atom attractions that form substances • solution solution that uses water as the solvent • flexibility of a substance to be molded or shaped • The substances produced at the end of the reaction • Point The point in temperature when the solid starts to liquefy • A substance in which the atoms of 2 or more elements are combined • ...
ELECTROCHEMISTRY 2023-01-02
Across
- Metallic ______is the oxidation-reduction reactions of a metal with atmospheric components
- Electrode potential is assumed to be positive. The reaction is _______.
- Electrode that undergoes reduction
- which ion will attracted to terminal positive and undergo oxidation in Electrolytic Cells
- One of the commercial applications of electrolytic cells?
- ______ ‘s Law states that the amount of substance undergoing chemical reaction at each electrode during electrolysis is directly proportional to the amount of electricity that passes through the electrolytic cell.
- Process that used electrical energy to force nonspontaneous chemical reactions to occur.
Down
- In voltaic cells, there are two metals that act as electrodes which are Cu and Ag. Which metal will act as anode and become thin in the cell.
- The amount of charge that passes a given point when a current of one ampere (A) flows for one second is called _____.
- In electrochemistry,there are two different electrochemical cells that contain non spontaneous and the other one containing spontaneous. What are chemical cells that contain spontaneous chemical reactions?
- In Copper-Magnesium cell, the Cu2+is the cathode because it is a stronger______ agent than Mg2+
- Electrode that undergoes oxidation
- Cell that converts electrical energy to chemical energy
- In electrolysis of aqueous potassium chloride, _______ gas produced at one electrode.
- The _____equation describes the electrode potentials at nonstandard conditions
15 Clues: Electrode that undergoes oxidation • Electrode that undergoes reduction • Cell that converts electrical energy to chemical energy • One of the commercial applications of electrolytic cells? • Electrode potential is assumed to be positive. The reaction is _______. • The _____equation describes the electrode potentials at nonstandard conditions • ...
energy and enzymes 2025-11-13
Across
- the requirements an enzyme has for what substrate(s) it takes
- a reaction that is nonspontaneous, endothermic, and has a decrease in disorder
- a set of biochemical reactions that sustain life
- a protein that is used as a catalyst in metabolic reactions
- use of water in a reaction to break bonds
- the site in the enzyme where the substrate binds
- an organism that must consume other organisms for food
- a compound that is not consumed in a reaction and that is used in a reaction to lower activation energy and increase rate of the reaction
- the energy that a reaction needs in order to go to completion
- the process in metabolism that converts subunits to larger macromolecules
- the intermediate(s) in a reaction where the activation energy is at its highest
- an organism that uses light for metabolic processes
- the change in gibbs free energy that tells us whether a reaction is spontaneous or nonspontaneous
- a type of inhibitor that binds to the allosteric site
- a reaction that is spontaneous, exothermic, and has an increase in disorder
- the complex formed when the substrate binds to the enzyme
Down
- adenosine attached to three phosphates and is the highest energy form
- a type of reaction that does not require an input of energy
- the reactant(s) that will be converted into products
- a site in the enzyme where an inhibitor can bind and slow down or stop a reaction
- an organic molecule that participates in the reaction but comes out unchanged
- potential energy stored in the bonds between atoms
- a type of inhibitor that binds to the active site
- an organism with the ability to make their own food
- the process in metabolism that converts macromolecules to subunits
- an organism that uses chemical compounds for metabolic processes
- stored energy
- adenosine attached to two phosphates
- adenosine attached to one phosphate and is the lowest energy form
- energy currently being used
- an inorganic ion that temporarily bonds to the enzyme
- a phenomenon where the enzyme undergoes conformational changes when reacting
32 Clues: stored energy • energy currently being used • adenosine attached to two phosphates • use of water in a reaction to break bonds • a set of biochemical reactions that sustain life • the site in the enzyme where the substrate binds • a type of inhibitor that binds to the active site • potential energy stored in the bonds between atoms • ...
Chemical Reaction & Matter (7.1) 2 2023-11-30
Across
- Most common gas in the atmosphere.
- Most common natural gas to heat up homes.
- Substance at the end of a chemical reaction.
- When reading inside a graduated cylinder, we read the bottom of the _____ line.
- This gas can be flammable. Changes from solid to gas with no liquid phase.
- This gas used to light up fire can create a glowing ember.
Down
- This gas is used to blow up balloons.
- Substance at the start of a chemical reaction.
- When matter change from one state to another.
- A group of atoms bonded together.
- A property used to describe smell.
- Basic building block in chemistry.
12 Clues: A group of atoms bonded together. • Most common gas in the atmosphere. • A property used to describe smell. • Basic building block in chemistry. • This gas is used to blow up balloons. • Most common natural gas to heat up homes. • Substance at the end of a chemical reaction. • When matter change from one state to another. • Substance at the start of a chemical reaction. • ...
Chemistry 2023-07-06
Across
- A mineral found in some foods
- A chemical element with the symbol N and atomic number 7
- A chemical that can dissolve in water, combine with acids to form salts, and make acids less acidic
- A chemical element with the symbol Li and atomic number 3
- The chemical element with the symbol H and atomic number 1
- The smallest particle of a substance that has all of the physical and chemical properties of that substance
- The quality or condition of being reactive
Down
- Any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
- A negatively charged particle
- A chemical element with the symbol Ti and atomic number 22
- A chemical substance that cannot be broken down into other substances
- What is O2
- a chemical element with the symbol Cu and atomic number 29
- The second lightest member of the halogen elements
- The smallest part of an element that can exist.
- Any atom or group of atoms that bears one or more positive or negative electrical charges
16 Clues: What is O2 • A mineral found in some foods • A negatively charged particle • The quality or condition of being reactive • The smallest part of an element that can exist. • The second lightest member of the halogen elements • A chemical element with the symbol N and atomic number 7 • A chemical element with the symbol Li and atomic number 3 • ...
Pomi Easter Puzzle 2024! 2024-03-29
Across
- Country that borders both Russia and China
- A type of chemical bond formed when atoms share electrons
- Country that sits across the Strait of Gibraltar from Spain
- The heel bone, the largest bone in the foot
- Country bordering Greece
- Bone in your chest, shaped like a "V"
- Shin bone, the front part of your lower leg
- Country situated between Brazil and Argentina
- A substance that speeds up the rate of a chemical reaction
- Country located north of the United States
- The bone that forms the base of the spine
- Substance that cannot be broken down into simpler substances by chemical means
- System that coordinates and controls bodily functions through electrical signals
- Bone in the lower back, made up of several fused vertebrae
- The jawbone, it moves when you chew
- A chemical reaction in which two or more substances combine to form a new compound
- Forearm bone on the thumb side
- Country separated from the United Kingdom by the English Channel
- A substance that dissolves in a solvent to form a solution
- System responsible for transporting blood, oxygen, and nutrients throughout the body
- Balkan country east of the Adriatic Sea
- Archipelago east of Australia
- Upper arm bone
- Country that lies between India and China
- System that regulates hormone production and controls metabolism
- A substance that decreases the rate of a chemical reaction
- The electrons in the outermost energy level of an atom
- Smallest bone in the body, found in the ear
- The longest bone in the body
- Country that borders Iraq and the Persian Gulf
- Wrist bone on the thumb side
- A measure of the force of gravity on an object
- Bone that makes up the knee cap
Down
- Substance formed by the chemical combination of two or more elements in definite proportions
- The bone that protects your brain
- These highly unreactive gases have a full outer valence shell of electrons
- The law stating that mass cannot be created or destroyed in a chemical reaction
- The shoulder blade, it helps connect the arm to the body
- The ability of a substance to be hammered or rolled into thin sheets
- Country that lies between Sweden and Russia
- Country located between Egypt and Saudi Arabia
- System that filters waste products from the blood and eliminates them from the body
- It connects your shoulder to your chest
- System that provides framework and protection for the body's organs
- The process by which a gas changes into a liquid
- A substance that decreases the concentration of hydrogen ions in a solution
- System responsible for the production of offspring
- Smallest unit of an element
- System that allows for movement and supports the body's structure
- System that facilitates the exchange of oxygen and carbon dioxide in the body
- The center of an atom, composed of protons and neutrons
- Archipelago in the Indian ocean, northeast of Madagascar
- This type of chemical bond is formed when one atom donates an electron to another atom
- System that defends the body against infections and diseases
- A substance that increases the concentration of hydrogen ions in a solution
- System that breaks down food and absorbs nutrients for energy and growth
- System that helps rid the body of toxins and waste materials
- Bones in your fingers and toes
58 Clues: Upper arm bone • Country bordering Greece • Smallest unit of an element • The longest bone in the body • Wrist bone on the thumb side • Archipelago east of Australia • Forearm bone on the thumb side • Bones in your fingers and toes • Bone that makes up the knee cap • The bone that protects your brain • The jawbone, it moves when you chew • Bone in your chest, shaped like a "V" • ...
Biology Crossword Puzzle 2022-12-11
Across
- Positevly charged
- electrons are not shared evenly over the covalent bond and the atoms involved have small partial charges resulting in what are called dipoles.
- A basic part of a whole
- A descriptive generalization about how some aspect of the natural world behaves under stated circumstances.
- a testable statement about the relationship between two or more variables
- The smallest particle of a substance that has all of the physical and chemical properties of that substance physical material from which something is made or which has discrete existence
- any item or service you sell to serve a customer's need or want.
- negatively charged
- no electric charge
Down
- one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behavior but with different atomic masses and physical properties
- an atom or group of atoms in which the number of electron s is different from the number of protons The smallest particle of a substance that has all of the physical and chemical properties of that substance physical material from which something is made or which has discrete existence
- any substance that increases the rate of a reaction without itself being consumed.
- a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- any substance that has a defined composition
- a substance made from two or more different elements that have been chemically joined
- a substance that enters into and is altered in the course of a chemical reaction
- anything that occupies space and has mass
- A collection of facts from which conclusions may be drawn
18 Clues: Positevly charged • negatively charged • no electric charge • A basic part of a whole • anything that occupies space and has mass • any substance that has a defined composition • A collection of facts from which conclusions may be drawn • any item or service you sell to serve a customer's need or want. • ...
II-1 Energy Flow & Metabolism, Enzymes Crossword 2022-02-10
Across
- Enzymes act as this to speed up a reaction
- Ending seen in names of enzymes
- Work maintains the cell moving molecules and ions
- More dense form of stored energy than sugars
- Energy barrier that is reduced by an enzyme
- Had electrons added
- Densest more reduced form of stored food energy
- Energy of the sun
- Reaction involving electron status changing
Down
- Protein or RNA that helps a reaction occur
- Work such as moving myosin by walking on actin
- Electron-rich, high energy, reduced carbon
- Converted into ATP with input of energy and P
- Reactant that binds to an enzyme
- Energy stored in molecules and bonds
- Had electrons taken away
16 Clues: Energy of the sun • Had electrons added • Had electrons taken away • Ending seen in names of enzymes • Reactant that binds to an enzyme • Energy stored in molecules and bonds • Protein or RNA that helps a reaction occur • Enzymes act as this to speed up a reaction • Electron-rich, high energy, reduced carbon • Energy barrier that is reduced by an enzyme • ...
Organic molecules, Inorganic Compounds & Minerals 2025-05-17
Across
- Element required in small quantities
- Monomers of nucleic acids
- Two monosaccharides that has bonded
- Does not usually contain C
- A type of reaction that breaks down
- A deficiency in this mineral causes anaemia
- protein molecules that control metabolic reactions
Down
- A chemical reaction in plants
- Contains C, H and O
- A disease that is caused due to a lack of vitamin C
- A type of reaction that builds
- A solution used to test for glucose
- The colour change of iodine solution in the presence of starch
- are solids at room temperature
- A reagent used to test for protein
- Element required in large quantities
16 Clues: Contains C, H and O • Monomers of nucleic acids • Does not usually contain C • A chemical reaction in plants • A type of reaction that builds • are solids at room temperature • A reagent used to test for protein • A solution used to test for glucose • Two monosaccharides that has bonded • A type of reaction that breaks down • Element required in small quantities • ...
Matter & Energy crossword 2020-03-21
Across
- a table of the chemical elements arranged in order of atomic number
- a series of interactions in which one organism eats another to gain energy
- two or more atoms joined (bonded) together chemically
- the law that states matter cannot be created or destroyed
- the number of protons plus the number of neutrons contained in an atom's nucleus
- the ability to move heat or electricity from one place to another
- a pure substance that cannot be broken down chemically
- the number of protons or electrons contained in an element
- elements located to the right of the stair-step (zig zag) line on the periodic table
- a diagram that shows many overlapping food chains
- neutrally-charged subatomic particles found in the nucleus
Down
- a substance that consists of 2 or more elements combined in a set ratio
- a diagram that shows the amount of energy moving from one feeding (trophic) level to the next
- elements or compounds on the left side of a chemical reaction (what you start with)
- the amount of space an object occupies
- the type of change that results in the formation of new chemical substances
- elements or compounds on the right side of a chemical reaction (what you produce)
- the ratio of an object's mass to its volume (M/V)
- the type of change in which the form (appearance) of matter is altered but one substance is not changed into another
- negatively-charged subatomic particles found in a cloud surrounding the nucleus
- two or more substances that are together but not chemically combined
- the center of an atom that contains the protons and neutrons
- positively-charged subatomic particles found in the nucleus
23 Clues: the amount of space an object occupies • the ratio of an object's mass to its volume (M/V) • a diagram that shows many overlapping food chains • two or more atoms joined (bonded) together chemically • a pure substance that cannot be broken down chemically • the law that states matter cannot be created or destroyed • ...
matter and energy 2020-03-21
Across
- a series of interactions in which one organism eats another to gain energy
- the type of change that results in the formation of new chemical substances
- elements located to the right of the stair-step (zig zag) line on the periodic table
- two or more substances that are together but not chemically combined
- a table of the chemical elements arranged in order of atomic number
- the ability to move heat or electricity from one place to another
- positively-charged subatomic particles found in the nucleus
- a diagram that shows the amount of energy moving from one feeding (trophic) level to the next
- the amount of space an object occupies
- the law that states matter cannot be created or destroyed
- the ratio of an object's mass to its volume (M/V)
- neutrally-charged subatomic particles found in the nucleus
Down
- the type of change in which the form (appearance) of matter is altered but one substance is not changed into another
- the number of protons plus the number of neutrons contained in an atom's nucleus
- negatively-charged subatomic particles found in a cloud surrounding the nucleus
- a pure substance that cannot be broken down chemically
- a substance that consists of 2 or more elements combined in a set ratio
- elements or compounds on the left side of a chemical reaction (what you start with)
- the number of protons or electrons contained in an element
- elements or compounds on the right side of a chemical reaction (what you produce)
- the center of an atom that contains the protons and neutrons
- two or more atoms joined (bonded) together chemically
- the amount of matter in an object
- a diagram that shows many overlapping food chains
24 Clues: the amount of matter in an object • the amount of space an object occupies • a diagram that shows many overlapping food chains • the ratio of an object's mass to its volume (M/V) • two or more atoms joined (bonded) together chemically • a pure substance that cannot be broken down chemically • the law that states matter cannot be created or destroyed • ...
Tristen's Crossword 2018-02-16
Across
- a chemical bond between two ions with opposite charge.
- it's composed of two or more separate elements; a mixture.
- the state or power of being reactive
- a matter that has constant composition and characteristics.
- able to be drawn out into a thin wire.
- an atom or molecule with a net electric charge.
- can be pressed out of shape without breaking or cracking.
- chemical bonds formed by the electrons between atoms.
- keeping or showing a balance; arranged in good proportions.
- a pair of equal and oppositely charged or magnetized poles.
- a can be positive or negative
- existing or taking place between molecules.
- characteristic of substance that's observed on reaction.
- relating to or resembling metal or metals.
- statement that the values of two mathematical expressions.
- a small positive nucleus surrounded by orbiting electrons.
Down
- a group algebraic structure consisting a set of elements.
- Valence shell electron pair repulsion.
- a group of atoms bonded together.
- known as diagrams as a dot structures.
- relating to the body as opposed to the mind.
- existing or taking place within a molecule.
- measured by the number of hydrogen atoms.
- a part or aspect of something abstract.
- stable subatomic particle with a charge negative electricity.
- a specified material conducts electricity.
- consists one atom.
- a chemical element with symbol H
- the property of a solid, liquid, or gaseous substance.
- it consists of many atoms.
- process that leads to transformation of one set of chemical.
- a negatively charged ion.
- a way of using the formulas to indicate the chemicals.
- of or containing water, typically as a solvent or medium.
- it is a positive ion.
35 Clues: consists one atom. • it is a positive ion. • a negatively charged ion. • it consists of many atoms. • a can be positive or negative • a chemical element with symbol H • a group of atoms bonded together. • the state or power of being reactive • Valence shell electron pair repulsion. • known as diagrams as a dot structures. • able to be drawn out into a thin wire. • ...
Classification of Matter Crossword 2024-10-26
Across
- A process where a liquid mixture is separated into its components by selectively boiling the mixture and then condensing the vapors
- Observed when a substance undergoes a chemical change
- Depends on the amount of Matter present
- A process of evaporating off the liquid phase to separate the solids
- Does not depend on the amount of Matter present
- Pouring off the top of the mixture after allowing the mixture to separate
- A mixture that has uniform composition
- Two or more atoms connected by chemical bonds
- Tightly packed molecules with definite shape and volume
- Observed without changing the substance
- Loosely packed molecules with definite volume and indefinite shape
- Two or more chemical elements connected by a chemical bond
- The process of allowing the solids to settle out in a mixture
- A heterogeneous mixture of a fluid that contains solid particles
- The smallest building block of all matter
Down
- The specific temperature and pressure of a substance at which all three phases are present
- A homogeneous mixture of two or more substances
- A reaction which gives off energy
- The process of filtering a mixture through a substrate to separate the different sized particles
- A reaction which absorbs energy
- A technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets of paper
- A mixture that has non-uniform composition
- Molecules with lots of kinetic energy and indefinite shape and volume
- The specific temperature and pressure of a substance at which the distinction between liquid and gas of a substance dissappears
- A substance made up of all the same type of atoms
- Solutions of microscopically dispersed insoluble particles of one substance are suspended in another substance
26 Clues: A reaction which absorbs energy • A reaction which gives off energy • A mixture that has uniform composition • Depends on the amount of Matter present • Observed without changing the substance • The smallest building block of all matter • A mixture that has non-uniform composition • Two or more atoms connected by chemical bonds • ...
Electrical Energy Puzzle 2024-02-02
Across
- no charge
- transfer of heat by gas or liquid currents
- positive charge
- slows down movement of electrons
- release by a chemical reaction
Down
- negative charge
- allows the movement of electrons
- transfer of heat by touching
- stored energy
- transfer of heat through waves
- electrons that move in a steady flow
- build up of charges
- energy of motion
- smallest part of matter
14 Clues: no charge • stored energy • negative charge • positive charge • energy of motion • build up of charges • smallest part of matter • transfer of heat by touching • transfer of heat through waves • release by a chemical reaction • allows the movement of electrons • slows down movement of electrons • electrons that move in a steady flow • transfer of heat by gas or liquid currents
Problems In the Body 2025-11-05
15 Clues: Air • Tired • Glucose • Low iron • Diabetes 1 • Amino Acid • Blood sugar • Doesn't process • Unlocks glucose • Oxygen shortage • Popeye's favorite • Medicine to breathe • Juice in the stomach • Gland the helps digestion • Chemical reaction in cells
Chemistry 2019-11-11
Across
- a measurement clearly out of line with the trend
- a collision between particles that leads to a reaction
- a poor measurement (human error)
- a statement suggesting what will happen in the future
- the minimum amount of energy needed for a reaction to take place
- think about the method you used and how it could be improved
- the thing that you change
- the number of particles per unit volume
- the exterior of a solid that can react with other substances
Down
- problem with the apparatus
- the gap between the readings
- speeds up a chemical reaction by lowering the activation energy
- a collision between particles that doesn’t lead to a reaction
- the number of collisions taking place per unit time
- the amount of product formed or reactant used up over time
- the thing that you measure
16 Clues: the thing that you change • problem with the apparatus • the thing that you measure • the gap between the readings • a poor measurement (human error) • the number of particles per unit volume • a measurement clearly out of line with the trend • the number of collisions taking place per unit time • a statement suggesting what will happen in the future • ...
Thermochemistry Crossword 2022-05-17
Across
- A type of reaction that takes in energy.
- and pressure.
- The energy it takes for something to be raised by 1-degree Celcius.
- The amount of heat needed for a mole of a substance to change from liquid to gas in constant temperature and pressure.
- The focus of your attention.
- A tool that is used to find the heat from a chemical reaction or some other process.
- Everything else in the experiment that is not the system.
Down
- The energy required for 1 gram of something to be raised 1 degree Celcius.
- A chemical equation that involves the change in heat.
- The process of determining a change in energy using a calorimeter.
- The amount of heat required for a mole of a substance to change from solid to liquid in constant temperature and pressure.
- A type of reaction that releases energy.
- Unit of energy required to raise 1g of water by 1 degree Celcius
- The total heat in the system.
- Heat that is released when something dissolves.
- SI unit or energy.
16 Clues: and pressure. • SI unit or energy. • The focus of your attention. • The total heat in the system. • A type of reaction that takes in energy. • A type of reaction that releases energy. • Heat that is released when something dissolves. • A chemical equation that involves the change in heat. • Everything else in the experiment that is not the system. • ...
Chemistry comes alive 2024-09-13
Across
- Energy directly involved in moving matter(pg24)
- Heterogenous mixtures also called emulsions (pg30)
- capacity or ability to do work or put matter into motion (pg24)
- Energy in action (pg24)
- The key to chemical reactivity (pg31)
- Energy that results from movement of charges particles. (pg24)
- Net positive charge (pg32)
- Modified triglycerides. (pg47)
- Component of protein and nucleic acids (genetic material)(pg26)
- Identical particles or building blocks (pg25)
- Polymers of simple sugars linked together by dehydration synthesis (pg43)
- Happens when acids and bases are mixed (pg40)
- Substance on which enzymes acts (pg52)
- Energy that travels in waves. (pg24)
- Substances composed of 2 or more components physically intermixed (pg29)
- Energy absorbing reaction containing more potential energy in their chemical bonds than did the reactions (pg37)
- Net negative charge. (pg32)
- State of matter that has definite volume, but conform to the shape of its container
- Compact, spherical protein that have at least tertiary structure (pg50)
- Double sugar (pg43)
- Resist abrupt and large swings in the pH of the body fluids by releasing hydrogen ions when pH begins to rise and by binding hydrogen when pH drops (pg41)
- Heavy unstable isotopes (pg28)
- Reaction that releases energy (pg 37)
- Structural basis for manufacture of all body steroids (pg46)
- Group of molecules that includes sugars and starches. (pg43)
- Component of all organic molecules, As an ion (proton). It influences the pH of the body fluids. (pg26)
- Homogenous mixtures of components that may be solids, liquids or gases (pg 29)
- Take up hydrogen ions in detectable amounts (pg39)
- Neutral fats (pg46)
Down
- Biological catalysts (pg38)
- Layers formed by water molecules (pg38)
- type of energy stored in the bonds of chemical substances (pg24)
- Substances that increase the rate of chemical reaction without themselves becoming chemically changed o part of the product (pg38)
- Formed when 2 or more molecules are combined.
- Stored/ inactive energy that has capability to do work. (pg24)
- Heterogenous mixtures with large, often viable solutes that tend to settle out pg30
- Simple sugars (pg43)
- Fatty acid that contains on or more double bonds between carbon atoms (pg46)
- Element need to make functional thyroid hormones.
- Protein that is extended and strand-like (pg50)
- Insoluble in water but readily dissolve in organic solvents (pg43)
- Unique substances that cannot be broken down into simpler substances by ordinary chemical methods (pg25)
- anything that occupies space and has mass (pg24)
- Substance that releases hydrogen ions in detectable amounts (pg39)
- The study of chemical composition and reactions of living matter (pg38)
- Most abundant and important organic compound in living cells (pg38)
- Lipid and protein- based substances that transport fatty acid and cholesterol in the blood stream (pg46)
- Chainlike molecules made of many similar or repeating units (pg42)
- Flat molecules made of 4 interlocking hydrocarbon rings (pg47)
- Component of proteins, particularly muscle proteins.
- Reaction that occurs when molecule is broken down into smaller molecules or its constituent atoms (pg36)
51 Clues: Double sugar (pg43) • Neutral fats (pg46) • Simple sugars (pg43) • Energy in action (pg24) • Net positive charge (pg32) • Biological catalysts (pg38) • Net negative charge. (pg32) • Modified triglycerides. (pg47) • Heavy unstable isotopes (pg28) • Energy that travels in waves. (pg24) • The key to chemical reactivity (pg31) • Reaction that releases energy (pg 37) • ...
Q4 Review 2024-05-28
Across
- Based on the concentration of hydronium ions in an acid/base solution
- OH-
- A type of chemical reaction between an acid and a base that brings the pH to 7.
- _______ acid or base is created after the transfer of a H+ ion.
- Moles of solute / Liters of solution
- When the rate of the forwards reaction equals the rate of the backwards reaction.
- The energy given off when an atom undergoes nuclear decay
- The type of nuclear decay where a neutron breaks down into a proton and an electron
- The type of nuclear decay that emits a helium nucleus
- Happens in nuclear power plants, a large atom breaks apart into two or more smaller atoms
- Based on the concentration of hydroxide ions in an acid/base solution
Down
- _______ Principle: States how different stressors affect the equilibrium of a solution.
- H3O+
- An experiment done to determine the molarity of an acid or a base
- _______ reaction; happens during nuclear fission to keep the reaction happening due to the emission of neutrons.
- The addition of this lowers the activation energy of a reaction, allowing it to happen faster
- Less solute is dissolved than in a more concentrated solution
- _______ area of a solid affects the rate of reaction; as it increases, the rate increases.
- How much solute is dissolved in an amount of solvent; can be qualitative (dilute or concentrated) or a number (molarity)
- Happens in the sun, two small atoms combine into a larger atom.
- An _______ nucleus is present in all radioactive materials
- The type of nuclear radiation that emits a larger amount of energy than alpha or beta
- _______ reaction: both the forwards and backwards reactions can happen.
- _______ of reaction: how fast a reaction takes place
- Accepts H+ ions
- Donates H+ ions
26 Clues: OH- • H3O+ • Accepts H+ ions • Donates H+ ions • Moles of solute / Liters of solution • _______ of reaction: how fast a reaction takes place • The type of nuclear decay that emits a helium nucleus • The energy given off when an atom undergoes nuclear decay • An _______ nucleus is present in all radioactive materials • ...
Chapter 16 Crossword 2015-01-08
Across
- substances to the left of the arrow
- when an insoluble substance crystallizes out of a solution it is called a ______
- when two or more elements or compounds unite to form one compound
- one element displaces another from a compound
- when an inhibitor is added to a food it is called _______
- the sum of the average atomic masses of the atoms in a molecule
- if thermal energy must be added during a reaction it is called ______
- a substance that may tie up reactants or catalysts thus slowing down a reaction
- the sum of the masses of the atoms or ions present in the formula of a compound
Down
- reaction the breakdown of one substance into two or more other substances
- shows changes that take place during a chemical reaction
- when the positive part of one compound unites with the negative part of another compound
- if thermal energy is released the reaction is called ______
- numbers used in front of the symbols in formulas
- something that speeds up a reaction without being permanently changed itself
- substances to the right of the arrow
16 Clues: substances to the left of the arrow • substances to the right of the arrow • one element displaces another from a compound • numbers used in front of the symbols in formulas • shows changes that take place during a chemical reaction • when an inhibitor is added to a food it is called _______ • if thermal energy is released the reaction is called ______ • ...
GET IT DONE! 2021-12-15
Across
- The type of reaction where two or more substances form a single product
- Substances that undergo a chemical change in a reaction
- The time rate of change of an object's velocity
- A chemical reaction that absorbs energy from its surroundings
Down
- Also known as Avogadro's number
- The distance an object travels plus the direction from the starting point
- Anything that has mass and takes up space
- Calculated with the formula distance over time
- atoms of an element with the same number of protons but different numbers of neutrons
- The force of attraction between molecules of different substances do they stick together
- The type of bond that is formed between oppositely charged ions
11 Clues: Also known as Avogadro's number • Anything that has mass and takes up space • Calculated with the formula distance over time • The time rate of change of an object's velocity • Substances that undergo a chemical change in a reaction • A chemical reaction that absorbs energy from its surroundings • The type of bond that is formed between oppositely charged ions • ...
Redox Reaction Concept 2019-11-21
Across
- Oxidation is always occur at the _____
- S atom (no charge) gains 2 ____ reduced to S2-.
- The solutions in a_____ cell are called electrolyte.
- Reduction is always occur at the _____
- Oxidation is the ___ of electrons
- _____ reaction is a redox reaction between a compound and molecular oxygen (O2) to form oxygen-containing products
- The reducing ____ is the reactant that is being oxidized
- Anode is the ____ terminal.
Down
- Cathode is the ____ terminal.
- Elements which placed higher in the electrochemical series are more ____
- ____ reaction is type of chemical reaction that involves a transfer of electrons between two species
- ____ is always has +3 of oxidation number
- ____ is the gaining of hydrogen.
- Complete the cell circuit by connecting the solutions of two half cell, without allowing them to mix each other.
- Litium is one of _____ metal
- Reduction is the ___ of electrons.
16 Clues: Anode is the ____ terminal. • Litium is one of _____ metal • Cathode is the ____ terminal. • ____ is the gaining of hydrogen. • Oxidation is the ___ of electrons • Reduction is the ___ of electrons. • Oxidation is always occur at the _____ • Reduction is always occur at the _____ • ____ is always has +3 of oxidation number • S atom (no charge) gains 2 ____ reduced to S2-. • ...
Types of Chemical Reactions 2024-02-28
Across
- One reactant is broken down into two or more products
- replacement Chemical change in which 2 reactants become 2 new products (2 Words)
- Reaction where heat is released
- replacement Single element replaces an element in a binary compound (2 Words)
- Metal that releases a blue-white light when burned
- compounds compound that has two parts, a negative ion and a positive ion. I.e. a salt
- Reactants form one product
- This law states that atoms must be equal in reactants & products
Down
- Reaction where heat is absorbed
- Substances on the left side of the arrow
- Substances on the right side of the arrow
- You multiply the entire molecule by this number
- Gas molecule in reactant of combustion
- Another word for a synthesis reaction
- Substance used to start reaction
- Oxygen is a reactant; i.e. burning
16 Clues: Reactants form one product • Reaction where heat is absorbed • Reaction where heat is released • Substance used to start reaction • Oxygen is a reactant; i.e. burning • Another word for a synthesis reaction • Gas molecule in reactant of combustion • Substances on the left side of the arrow • Substances on the right side of the arrow • ...
