chemical reaction Crossword Puzzles
Science Vocab Unit 1 2024-10-07
Across
- When one or more substances are combined to create a new substance
- The old substances in a chemical reaction
- The new substance that is formed in a chemical reaction
- The amount of space that a substance takes up
- The temperature at which a solid substance melts or fuses.
- The quality of being difficult to scratch, cut , or break.
Down
- Any type of matter or material. A form of matter having constant chemical composition and characteristic properties
- The ability of a substance to dissolve within another substance
- How compact the molecules in a substance are
- When two or more substances are combined such that each substance retains its own chemical identity
- A characteristic or trait that you can use to describe matter by observation and/ or measurement
- A measurement of how much matter an object contains
12 Clues: The old substances in a chemical reaction • How compact the molecules in a substance are • The amount of space that a substance takes up • A measurement of how much matter an object contains • The new substance that is formed in a chemical reaction • The temperature at which a solid substance melts or fuses. • ...
Chem Crossword! 2021-04-16
Across
- Bromine and Mercury.
- Valence electrons hang out here.
- Fourth group; Third period.
- Really? Na with Cl? That is so...!
- This type of substance is produced in a chemical reaction.
- The tiny numbers in a chemical equation.
- Electrons might have more friends if they weren't so...
- A neutron's charge.
- # of Br ions that will easily bond with Magnesium.
- A negative ion.
- They get rearranged in a chemical reaction.
- A model citizen in the world of chemistry.
- Two energy shells; Three valence electrons.
- They keep us from falling apart.
- The type of dots that mean valence electrons.
- The...of an atom is like a fly in a cathedral!
- The top of the nobel gasses.
- Mendeleev predicted more would be found.
- It makes up most of an atom's volume, and yours too.
- When the reactants get broken into smaller particles.
- The universe is mostly made of this substance.
- They're organized by # of electron shells.
- They're organized by # of valence electrons.
- The boundary between metals and nonmetals.
Down
- When the products are a combination of the reactants.
- These can be changed when balancing equations.
- Most bonds between nonmetals.
- Conservation of mass is a……not just a suggestion!
- If we were all covalent maybe we'd be more willing to...
- A pattern that is repeated over and over, like weeks in a calendar.
- He, Ne, Ar, Kr, etc...
- A positive ion.
- I'm absolutely, 100%, without a doubt positive!
- Nickname for a chemical reaction.
- An "overweight" atom.
- The sum of an atom's protons and neutrons.
- The heaviest natural element.
- The attraction between two ions.
- An equation that obeys the law of conservation.
- Valence electrons in a Cesium atom.
- the number of protons in an atom.
- Where the heavier elements get cooked up.
- Metals with one valence electron.
43 Clues: A positive ion. • A negative ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Fourth group; Third period. • The top of the nobel gasses. • Most bonds between nonmetals. • The heaviest natural element. • Valence electrons hang out here. • The attraction between two ions. • They keep us from falling apart. • ...
Chemistry crossword 2018-11-13
Across
- chlorine
- combination of pure substances
- substance that reacts with another substances in a chemical reaction to create new substances with different properties
- shell orbit of electrons around the nucleus of an atom
- a chemical combination of two or more elements in a specific ratio
- table a table in which the elements are organized by their physical and chemical properties
- cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
- neutral particle in the nucleus of an atom
- number number of protons in the nucleus of one atom of an element
- group 17 elements in the perodic table,the most reactive not metals
- metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
Down
- a pure substance that cannot be broken down into other substances,made up of only one type of atom
- something that has mass and occupies space
- group of atoms joined by covalent bonds
- homogenous mixture mixture of two or more pure substances that looks like one substance
- reaction a reaction that takes place when to or more substances react to form a new substance
- change in the appearance or state of a substance that does not change the composition
- compound pure substance formed when non-metals combine
- positively charged particle in the nucleus of an atom
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
- compound pure substance formed when at least one metal and one non metal combine
- compound that dissolves in water to form a solution with a ph lower than 7
- gases group 18 elements in the periodic table,the most stable and interactive elements
23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • something that has mass and occupies space • neutral particle in the nucleus of an atom • positively charged particle in the nucleus of an atom • shell orbit of electrons around the nucleus of an atom • compound pure substance formed when non-metals combine • ...
ELL Semester 2- Emily 2016-04-27
Across
- A place for grinding grain
- People from each state to elect the president and the vice president based on the votes of the people
- An element that is totally dade of gas that forms molecules because they don’t have full valence shells on their own
- A process in which a solid changes directly into gas.
- The advanced group in any field
- An agreement to pay bail
- A chemical substance used to preserve food
- A formal agreement between two groups or countries
- The number of protons in the nucleus of an atom; the atomic number is same for all atoms of an element.
- Someone that does work by physical strength
- Offensive or rude
- Acting in a way that is not easily upset or excited
- A position in a society, organization, or group
- A charged particle that forms when an atom or group of atoms gains or loses one or more electrons
- A farm in the U.S. for specific kinds of animals
Down
- Anyone of the various forms of a chemical element in having the same number of protons in the nucleus, or the same atomic number, but having different number of neutrons in the nucleus or different atomic weight.
- A reaction that is accompanied by the absorption of heat, or an generates heat to maintain its temperature
- The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule.
- A subatomic particle that has no charge and that is found in the nucleus of an atom.
- All future generations of people
- A substance that shows down or stops a chemical reaction
- Doing something that disobeys the rule
- To change with a crime done while in office
- A substance that changes when it is combined with another substance in chemical reaction
- A job or position that is available to be taken
25 Clues: Offensive or rude • An agreement to pay bail • A place for grinding grain • The advanced group in any field • All future generations of people • Doing something that disobeys the rule • A chemical substance used to preserve food • To change with a crime done while in office • Someone that does work by physical strength • A job or position that is available to be taken • ...
Chemistry of Life 2022-10-17
Across
- the attraction of particles of the same substance
- compounds that form extra hydroxide ions when dissolved in water
- an enzyme that attaches to a substrate
- a substance that reacts to prevent pH changes in a solution
- a group of atoms held together by covalent bonds
- substance made of bonded atoms of two or more different elements
- an organic molecule that acts as the main energy source for cell processes
- material that contains the information that determines inherited characteristics
- a substance made up of atoms with the same number of protons
- an atom or group of atoms that have an electric charge because it has gained or lost electrons
- molecule that acts as a catalyst in biochemical reactions
- another class of biomolecules that include fats, etc
- a substance that forms a chemical reaction
- the minimum amount of energy required to start a chemical reaction
Down
- molecule of amino acids, building blocks that link to form proteins
- the outermost level or shell of an atom are called valence electrons
- an organic compound that consist of a sugar, a phosphate, and a nitrogenous base
- a natural polymer that is present in all living cells and that plays a role in protein synthesis
- the reactant in reactions catalyzed by enzymes
- a substance or molecule that participates in chemical reaction
- an organic compound, whose molecules are made up of one or two chains of nucleotides
- the attraction of particles of the same substance
- the capacity to do work
- a mixture in which ions or molecules of one or more substances are evenly distributed in another substance
- compounds that form extra hydronium ions when dissolved in water
- the smallest unit of matter that cannot be broken down by chemical means
- sugar molecules
- measure of how acidic or bacis a solution is
28 Clues: sugar molecules • the capacity to do work • an enzyme that attaches to a substrate • a substance that forms a chemical reaction • measure of how acidic or bacis a solution is • the reactant in reactions catalyzed by enzymes • a group of atoms held together by covalent bonds • the attraction of particles of the same substance • ...
Matter 2024-04-09
Across
- The types of elements that make up a substance.
- A structure whose subunits occur in a constant ratio and are arranged in a repeating pattern.
- A type of test that medical scientists perform to assess a medicine's effectiveness.
- A unique particle of matter that is a fundamental building block of matter.
- Data that can be used to support a scientific claim or argument.
- The mass of a single atom.
- The requirements that must be met for an engineering solution to be successful.
- A solid structure whose atoms or molecules are arranged in a repeating three-dimensional pattern.
- A representation of an object which makes important aspects easier to see.
- An individua particle of an element.
- Matter that has a constant chemical composition and characteristics.
- On a scale that people can see with their eyes.
- A property that describes the mass of a certain volume of matter.
- A type of extended structure that is made of many smaller, repeating subunits in a chain.
Down
- The connection between atoms in more complex particles.
- The specific way in which the bonds and atoms are arranged within the molecules of a substance.
- A limitation on the range of possible solutions to a design.
- A shorthand notation of one, two, or three letters that represent the name of the element.
- A new substance that forms during a chemical reaction.
- The process in which one or more new substances form from one or more other substances.
- A substance that exists before a chemical reaction takes place and changes as a result of the reaction.
- A property that describes how well one substance dissolves in another substance.
- A group of two or more atoms that are held together by chemical bonds.
- The amount of matter in an object or sample.
- A characteristic of matter.
25 Clues: The mass of a single atom. • A characteristic of matter. • An individua particle of an element. • The amount of matter in an object or sample. • The types of elements that make up a substance. • On a scale that people can see with their eyes. • A new substance that forms during a chemical reaction. • The connection between atoms in more complex particles. • ...
Matter & Its Changes CW 1 2022-09-28
Across
- Characteristics of matter that can be used to identify substances.
- Substances that are combined to form products in a chemical reaction.
- the particles in a solid _______, or move back and forth, in a fixed place
- A substance that speeds up a chemical reaction.
- change from a gas to a solid
- the result of oxygen in the air reacting with the iron and causing erosion
- change from a liquid to solid
- the formula to calculate the density of a substance
- degrees Celsius for the boiling point water, at sea level
- the ability for metal to be hammered, pressed or rolled into thin sheets
- anything that has mass and takes up space
- change from a liquid to a gas
- the amount of mass a material has in a given volume
- degrees Celsius for the freezing point of water, at sea level
- the temperature at which a liquid becomes a gas
- has indefinite shape but definite volume
- has indefinite shape and indefinite volume
Down
- the number of states of matter
- a characteristic of a material that you can observe or measure without changing the material
- a change in the identity of a substance due to the chemical properties of that substance
- law that states the mass of what you end with is always the same as the mass of what you start with
- the shine of a metal
- any characteristic that gives a substance the ability to undergo a change that results in a new substance
- a change where the physical properties of a substance change but the substance does not change
- change from a solid to a liquid
- the ability for metal to be drawn into wires
- The result of substances being combined in a chemical reaction.
- the temperature at which a solid becomes a liquid
- has a definite shape and definite volume
- change from a solid to a gas
30 Clues: the shine of a metal • change from a gas to a solid • change from a solid to a gas • change from a liquid to solid • change from a liquid to a gas • the number of states of matter • change from a solid to a liquid • has a definite shape and definite volume • has indefinite shape but definite volume • anything that has mass and takes up space • ...
SCIENCE MYSTERY 2022-07-02
Across
- : Substances that participate in the reaction
- : temporary projections of the cell also referred as false feet
- : supported by C- shaped cartilaginous rings
- : mirror used by doctors to examine tooth
- : reaction in which heat is involved
- : objects that emit their own light
- : site of gaseous exchange
- : Angle of ____________ is always equal to angle of reflection
Down
- : organisms that make their own food
- : Balancing chemical equations satisfy the law of _______________ of mass
- : reaction in which food containing oil gets rancid
- : Phenomenon of bending of light as it passes between two substances
- : secreted by pancreas for breakdown of protein
- : Image is formed at __________ when light rays come from infinity
- : type of reaction in which higher metal displaces lower metal
15 Clues: : site of gaseous exchange • : objects that emit their own light • : organisms that make their own food • : reaction in which heat is involved • : mirror used by doctors to examine tooth • : supported by C- shaped cartilaginous rings • : Substances that participate in the reaction • : secreted by pancreas for breakdown of protein • ...
Photosynthesis Crossword Puzzle 2024-04-30
Across
- the gas reactant of photosynthesis
- specialized, double-membrane organelle in plant cells where photosynthesis occurs
- connect the thylakoids of different grana
- fluid-filled space around the grana
- byproduct of photosynthesis
- five letter energy-storage molecule made during the light-dependent reactions
- a substance that goes into a chemical reaction
- three letter energy-storage molecule made during the light-dependent reactions
- a substance that is made during a chemical reaction
- the type of energy required for photosynthesis
Down
- disc-like structures arranged in stacks that contain chlorophyll
- first phase of photosynthesis that requires light energy and takes place in the thylakoid
- sugar made during the Calvin Cycle that becomes glucose
- stacks of thylakoids
- the green pigment that captures light energy
- final sugar made during photosynthesis
- second phase of photosynthesis that takes place in the stroma
- liquid reactant of photosynthesis
18 Clues: stacks of thylakoids • byproduct of photosynthesis • liquid reactant of photosynthesis • the gas reactant of photosynthesis • fluid-filled space around the grana • final sugar made during photosynthesis • connect the thylakoids of different grana • the green pigment that captures light energy • a substance that goes into a chemical reaction • ...
Photosynthesis 2024-04-22
Across
- Iodine solution is used to test for........
- The green pigment in leaves.
- Photosynthesis is an example of this type of reaction.
- This is the variable that is measured in an experiment.
- The enrgy for photosynthesis comes from the .......
- This is the sugar made in photosynthesis.
- Biological reactions take place in ...... things.
- Plants take this substance in through their roots.
- The tiny openings on the understand of leaves.
Down
- During photosynthesis light energy is converted to ........ energy.
- The name given to the way plants make food.
- This substance removes the chlorophyll from leaves.
- This are the variables that remain constant.
- The gas produced during photosynthesis.
- This is the variable that changes in an experiment.
- Photosynthesis is an example of this type reaction.
- High temperatures affect the action of these in photosynthesis.
- dioxide This gas is needed for photosynthesis.
- In a chemical reaction,....substances are formed.
19 Clues: The green pigment in leaves. • The gas produced during photosynthesis. • This is the sugar made in photosynthesis. • The name given to the way plants make food. • Iodine solution is used to test for........ • This are the variables that remain constant. • dioxide This gas is needed for photosynthesis. • The tiny openings on the understand of leaves. • ...
Exam 2 Crossword 2024-03-12
Across
- The enzyme that removes a phosphate group from GTP turning it back into GDP
- The energy of motion
- The breakdown of molecules into simpler units is what type of process?
- The pigment present in green plants that is required for photosynthesis
- Transverse channels in plant cells that allow for the facilitation of movement of molecules and allow for communication between cells
- The region of an enzyme that binds the substrate and allows for the chemical reaction to occur
- Step of the signaling pathway that is associated with a change, examples include, movement, cell division, or secretion
- The biochemical reaction that is associated with an absorption of energy, the products consist of a greater level of energy compared to the reactants
Down
- The step that allows for a protein kinase receptor to become activated
- The minimum amount of energy needed for a chemical reaction to occur
- Type of inhibitor that will bind to the allosteric site and change the shape of the active site so that the substrate will be unable to bind
- Type of cell signaling where the cell signals to itself and a ligand binds to the receptors on its own surface
- Speed up reactions by lowering the activation energy
- The loss of electrons in molecules during a chemical reaction
- Messenger that activates Protein Kinase A which will then activate transcription factors, allowing genes to become either on or off
- Organic compounds that are used by enzymes to allow for catalytic activity to occur, examples include NAD, Biotin, and ATP
- When electrons jump from ground state to excited state do they absorb or release energy?
17 Clues: The energy of motion • Speed up reactions by lowering the activation energy • The loss of electrons in molecules during a chemical reaction • The minimum amount of energy needed for a chemical reaction to occur • The step that allows for a protein kinase receptor to become activated • The breakdown of molecules into simpler units is what type of process? • ...
Unit 5 Crossword 2023-11-14
Across
- Mass of one mole of a substance
- Tells what percent by mass of each element is present in a compound
- Actual number of atoms or moles of each element in a compound; determined if you know ratio and total mass of the molecule.
- A quantitative relationship or ratio between two or more substances
- Mass of one individual unit of a substance
- the Ratio of actual to theoretical yield
- Amount of product actually formed when a reaction is carried out in the laboratory.
Down
- ionic compound that contains water molecules in its structure
- Conversion factor that relates the amounts in moles of any two substances in a chemical reaction
- substance that remains after the water has been removed from a hydrate.
- Provides the simplest whole number ratio of atoms or moles of each element in a compound
- Maximum amount of product that could be formed from the given amounts of reactants.
- Gets consumed first in a chemical reaction; limits how much product can be formed
- Not completely used up when the reaction is finished
14 Clues: Mass of one mole of a substance • the Ratio of actual to theoretical yield • Mass of one individual unit of a substance • Not completely used up when the reaction is finished • ionic compound that contains water molecules in its structure • Tells what percent by mass of each element is present in a compound • ...
Types of Energy 2023-12-07
Across
- This has thermal and radiant energy and is used when we are cold
- We use turbines to turn this into mechanical energy which is then turned into electrical
- This gives us the ability to interact with sound energy
- Energy of movement
- Stored energy
- Energy of heat
- Energy from a chemical reaction
- Energy that you hear
- This subject has a lot of chemical energy due to chemical reactions
- the energy of light
Down
- The energy of gravity
- This blocks out radiant energy from the sun
- Energy cannot be destroyed or created, only...
- Energy that is stored using bonds
- These give us the ability to use energy specifically mechanical
- Energy in motion
- This object makes a lot of sound and through arrow dynamics defies gravitational energy
- Radioactive energy
- We use dams to turn this into electrical energy
- is the strength and vitality required for sustained physical or mental activity.
20 Clues: Stored energy • Energy of heat • Energy in motion • Energy of movement • Radioactive energy • the energy of light • Energy that you hear • The energy of gravity • Energy from a chemical reaction • Energy that is stored using bonds • This blocks out radiant energy from the sun • Energy cannot be destroyed or created, only... • We use dams to turn this into electrical energy • ...
Cellular Energy 2023-01-13
Across
- Process that does not require oxygen.
- Process that requires oxygen to occur.
- Process used by plants and other autotrophs to capture light energy from the sun and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches.
- Organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy.
- A chemical reaction where the change in the free energy is negative.
Down
- Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use.
- A chemical reaction in which the standard change in free energy is positive, and an additional driving force is needed to perform this reaction.
- Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen.
- Saclike photosynthetic membranes found in chloroplasts.
- Fluid portion of the chloroplast, outside of the thylakoids.
10 Clues: Process that does not require oxygen. • Process that requires oxygen to occur. • Saclike photosynthetic membranes found in chloroplasts. • Fluid portion of the chloroplast, outside of the thylakoids. • A chemical reaction where the change in the free energy is negative. • ...
Thermochemistry 2024-02-06
Across
- Unit of enthalpy
- A quantitative measurement of the surroundings as "hot" or "cold"
- System transfers heat energy to the surroundings
- True or false: q of the solution = -q of the reaction.
- The capacity to do work or transfer heat
- True or false: temperature change is the initial temp - the final temp.
- When room temp water and a hot metal are mixed, the temperatures will rise and fall respectively until they reach thermal ______?
- (energy of products) - (energy of reactants) is the heat change of the ______?
- System takes in heat energy from the surroundings
- Is the melting of an ice cube exo or endo?
- The amount of heat involved in producing one chemical from another is always the same, no matter how many stages/stops are taken in between.
Down
- An endothermic reaction will have a positive or negative q?
- What does q stand for?
- Is water turning into an ice cube exo or endo?
- Change
- C stands for specific ____ ________?
- An insulated device used for measuring the transfer of heat.
- The substance undergoing chemical or physical change
- Everything outside of the system that provide or absorb heat for the system
- When going from J to kJ, move the decimal point three spots to the left or right?
20 Clues: Change • Unit of enthalpy • What does q stand for? • C stands for specific ____ ________? • The capacity to do work or transfer heat • Is the melting of an ice cube exo or endo? • Is water turning into an ice cube exo or endo? • System transfers heat energy to the surroundings • System takes in heat energy from the surroundings • ...
Physical Science 2025-06-04
Across
- The model explaining that matter is made of small moving particles.
- Tend to be shiny and a good conductor.
- Elements with properties between metals and non-metals.
- The force exerted per unit area.
- Reaction where two or more substances combine to form one.
- Reaction where one compound breaks down into simpler substance.
- Elements that are poor conductors and are often gases.
- Chemical element with symbol Na
Down
- Chemical element found in group 2 and period 4.
- Substances made of only one kind of atom.
- A change directly from gas to solid.
- A change from solid to liquid
- Matter that has no fixed volume or shape.
- Vertical columns on the periodic table
- The negative charged particle of an atom.
- Tiny building blocks of matter.
- The total mass of particles divided by volume.
17 Clues: A change from solid to liquid • Tiny building blocks of matter. • Chemical element with symbol Na • The force exerted per unit area. • A change directly from gas to solid. • Tend to be shiny and a good conductor. • Vertical columns on the periodic table • Substances made of only one kind of atom. • Matter that has no fixed volume or shape. • ...
Speed of Chemical Reactions 2014-04-24
Across
- Type of energy produced by the sun.
- Process by which water can be separated from a solution.
- Where you would find all the elements.
- An element which is a yellow powder which produces an eggy small when heated.
- The chemical name for salt
- A chemical reaction in which a solid is formed from mixing two liquids.
- The gas that you breathe out.
- The non metal that is found in the substance aluminium nitride.
- When this substance reacts to form a compound an oxide is formed.
Down
- A substance in which contains 2 or more elements that are not chemically bonded together.
- Type of gas you would find in a swimming pool.
- A solid substance can be separated from a liquid by this process.
- Substance that reacts with acid to form a gas.
- A property of iron.
- Type of energy released when there is an increase in temperature.
- The substance formed when copper reacts with bromine.
- A substance made of more than one element that are chemically bonded together.
- The rate of a chemical reaction can be increased by reducing the size of this.
- Substance formed when water freezes.
19 Clues: A property of iron. • The chemical name for salt • The gas that you breathe out. • Type of energy produced by the sun. • Substance formed when water freezes. • Where you would find all the elements. • Type of gas you would find in a swimming pool. • Substance that reacts with acid to form a gas. • The substance formed when copper reacts with bromine. • ...
Chemistry Study Guide 2024-06-12
Across
- n=1 is the ___ energy shell
- in a(n) ___, each substance maintains its own properties and composition
- atoms are made up of three ___ ___; electrons, protons and neutrons
- the base unit of measurement for temperature
- ___ properties depend on sample size, ex: shape, volume, mass
- electrons ___ energy when they decay and fall to more stable units
- the closeness of a measurement to the true value
- matter composed of two or more elements that can be separated
- the oxidation ___ increases when an element loses electrons
- a chemical property defined by a substance's ability to harm an organism
- two or more atoms covalently bonded
- ___ forces: the attraction between molecules
- a chemical property defined by the readiness of a chemical to change
- when naming compounds, a(n) ___ is used to represent the subscript of an element in a covalent bond
- a chemical property defined by how much heat is given off when a substance burns
- the electron geometry of a compound with one or two domains
- the ___ represents where electrons could be within an atom
- the result of a permanent dipole
- different substances are chemically ___ in compounds but not in mixtures
- the ___ agent is reduced in a redox reaction
- ___-___ forces: attraction between polar molecules/ permanent dipole
- ___-___ forces: attraction between an ion and a polar molecule
- ___ dipole: when electrons are temporarily more concentrated in one place
- observable events or occurrences
- anything that has mass or takes up space
- the ___ agent is oxidized in a redox reaction
- the only chemical reaction that cannot be redox
- a type of nuclear reaction where two nuclei are combined
- ___ bonds don't belong to any one location
- the base unit of measurement for time
- ___ molecule: composed of only two atoms covalently bonded
- ___ ___ forces: temporary attraction between nonpolar molecules or noble gas
- an ion made of more than one nonmetal but with only one type of charge (ends in -ite or -ate)
- the U.S. ___ System is used by the United States and two other countries
- a type of nuclear reaction where a nucleus is split
- measures the force of gravity on an object
- bonding between H and N, O or F
- metals that contain one kind of cation
- a molecule will have a permanent dipole if the molecular arrangement is ___
- it consists of one single element or type of compound
- electrons ___ energy when they are energized and jump to higher orbits
- ___ forces: the attraction between atoms
- when an element gains electrons in a redox reaction
- ___ properties don't depend on sample size, ex: magnetism, melting points, density
- the ___ System of Units is the primary system used by scientists and includes the 7 base units of measurement
- ___ change: matter moving into different phases without the matter itself changing
- the ___ System is based to the power of 10
Down
- the electron geometry of a compound with four domains
- the base unit of measurement for mass/weight
- a gas changing to a solid
- in a heterogeneous mixture, compounds are mixed ___ within the substance
- a(n) ___ bond is between a metal (cation) and a nonmetal (anion)
- Alkali metals are extremely ___
- the molecular shape of a compound with three bonded atoms and 1 lone electron pair
- a solid changing to a gas
- when an element loses electrons in a redox reaction
- every atom is described by four ___ ___
- the result of an instantaneous or induced dipole
- ___ change: when the molecular structure of a substance is changed
- a model of an atom that can determine the polarity of a molecule
- a substance that cannot be broken down
- a(n) ___ bond is between two nonmetals
- a separation of positive and negative charges
- two different elements ionically bonded (ends in -ide)
- measures the amount of matter an object has
- ___ science investigates and explains natural phenomena
- a chemical property defined by the irreversible damage of a material due to a chemical reaction
- ___ reactions produce energy by changing elements' identities
- a basic particle representing a quantum of energy (E)
- ___ radiation: a form of light that that moves in a wavelike motion
- ___ dipole: a polar molecule repels an atom's or nonpolar molecule's electrons
- l represents the ___ ___ quantum number
- a(n) ___ reaction involves the transfer of electrons
- a chemical property defined by the ability of a compound to be broken down into elements or other compounds
- the molecular shape of a compound with two bonded atoms and two lone electron pairs
- ___ observations are verified by experimentation or experience rather than theory
- carbon-14 is a(n) ___ of carbon
- ice floats in water because ice is less ___ than water
- fission is ___ powerful than fusion
- ___ forces: the weakest of all molecular interactions (A.K.A Van der Waal's Forces)
- the the tendency of an atom to attract electrons
- the consistency of a set of measurements
- the electron geometry of a compound with three domains
- ___ dipole: occurs when two atoms in a molecule have vary different electronegativities. One atom attracts electrons more than another, becoming more -, while the other atom becomes more +
- measures the amount of space and object occupies, ex: gallons, fluid ounces, liters
- the net charge within a molecule
- the base unit of measurement for length
- a chemical property defined by how easily a substance can light on fire
- in a homogeneous mixture, compounds are mixed ___ within the substance
- mass is not affected by ___, but weight is
- the base unit of measurement for volume
91 Clues: a gas changing to a solid • a solid changing to a gas • n=1 is the ___ energy shell • Alkali metals are extremely ___ • carbon-14 is a(n) ___ of carbon • bonding between H and N, O or F • the result of a permanent dipole • observable events or occurrences • the net charge within a molecule • two or more atoms covalently bonded • fission is ___ powerful than fusion • ...
Nolan's Crossword 2024-05-15
Across
- The measure of heat/hotness or coldness
- A change of materials into another, with different properties
- When the physical properties of matter change
- The form of energy that is moved and transferred from something hot to something cold
- A substance that can't be broken down
- Being formed or taking place by absorbing heat
- The amount of space occupied by something
- Two or more atoms connected by a chemical bond
- A physical substance that takes up space
Down
- The study of matter
- The substance that is formed after a chemical reaction
- A characteristic of a substance that can be observed or measured
- The amount of matter or substance
- The process of sticking together molecules of the same type
- When one or more reactants are converted to products
- When heat is released
- The smallest part of a substance and it can't be reduced down
- The ability to do work
18 Clues: The study of matter • When heat is released • The ability to do work • The amount of matter or substance • A substance that can't be broken down • The measure of heat/hotness or coldness • A physical substance that takes up space • The amount of space occupied by something • When the physical properties of matter change • Being formed or taking place by absorbing heat • ...
Year 10 Revision crossword 2018-05-21
Across
- Respiration without oxygen
- Holes on the underside of a leaf
- Chemical used to test for starch
- The blood cell that helps fight microbes
- Plants use light energy to carry out this process
- The movement of water
- Controls the cell activities
Down
- Substances that speed up chemical reactions
- A chemical reaction that produces energy
- Vaccines contain ....... or weakened microbes
- Substances taken to kill bacteria
- Colour iodine changes to it starch is present
- The movement of gases from a high to low concentration
- Respiration with oxygen
- Photosynthesis increases if .............. intensity increases
15 Clues: The movement of water • Respiration with oxygen • Respiration without oxygen • Controls the cell activities • Holes on the underside of a leaf • Chemical used to test for starch • Substances taken to kill bacteria • A chemical reaction that produces energy • The blood cell that helps fight microbes • Substances that speed up chemical reactions • ...
Unit 5 Chemistry 2024-04-22
Across
- When electrons jump from one atom to another, making one positively charged and the other negatively charged.
- Replacement: Positive and negative parts of two compounds switch, creating two new compounds.
- A small number written below and to the right of a chemical symbol to show how many atoms of that element are in a compound.
- When atoms share electrons to stick together.
- Element: Elements that naturally pair up, like hydrogen and oxygen, making molecules with two atoms.
- A number before a chemical formula showing how many molecules or units are involved in a reaction.
- Replacement: One thing swaps places with another in a compound, making a new compound and a different single element.
Down
- The new things made during a reaction.
- When something breaks down into simpler parts.
- A rapid reaction with oxygen, often producing heat, light, and new substances.
- Stuff made of two or more different elements mixed together.
- Tiny things with electric charges because they gained or lost some electrons.
- Things that mix in a reaction and change into something else.
- (or Combination): When two or more things come together to make something new.
14 Clues: The new things made during a reaction. • When atoms share electrons to stick together. • When something breaks down into simpler parts. • Stuff made of two or more different elements mixed together. • Things that mix in a reaction and change into something else. • Tiny things with electric charges because they gained or lost some electrons. • ...
Unit 5 Chemistry 2024-04-22
Across
- Stuff made of two or more different elements mixed together.
- Element Elements that naturally pair up, like hydrogen and oxygen, making molecules with two atoms.
- Replacement Positive and negative parts of two compounds switch, creating two new compounds.
- (or Combination) When two or more things come together to make something new.
- When electrons jump from one atom to another, making one positively charged and the other negatively charged.
- Tiny things with electric charges because they gained or lost some electrons.
- Things that mix in a reaction and change into something else.
- When something breaks down into simpler parts.
Down
- A rapid reaction with oxygen, often producing heat, light, and new substances.
- A number before a chemical formula showing how many molecules or units are involved in a reaction.
- A small number written below and to the right of a chemical symbol to show how many atoms of that element are in a compound.
- When atoms share electrons to stick together.
- Replacement One thing swaps places with another in a compound, making a new compound and a different single element.
- The new things made during a reaction.
14 Clues: The new things made during a reaction. • When atoms share electrons to stick together. • When something breaks down into simpler parts. • Stuff made of two or more different elements mixed together. • Things that mix in a reaction and change into something else. • (or Combination) When two or more things come together to make something new. • ...
Enzymes 2025-03-13
Across
- a protein that acts as a catalyst
- a reaction that requires an input of energy
- the enzyme that performs dehydration reaction to form polymers
- the enzyme that removes phosphate groups
- *********** INHIBITOR; inhibitor binds to active site
- the enzyme that breaks down lipids
- TWO WORDS; energy required for a reaction to start or to occur
- TWO WORDS; occurs when the end product acts as a repressor to shut down a metabolic pathway
- the sum of all the chemical reactions within an organism
- ******* ENERGY; energy in motion; energy of movement
Down
- the capacity to do work; the capacity for change
- TWO WORDS; refers to the binding of the enzyme to the substrate where the enzyme slightly changes to make the binding tighter
- the enzyme that breaks down cellulose
- ********** REGULATION; occurs when a regulatory molecule binds to a regulatory site
- the reactant in an enzymatic reaction.
- ************** INHIBITOR; inhibitor binds to regulatory binding site
- complex molecules break down into simpler ones
- ********* ENERGY; energy at rest; stored energy
- the enzyme that phosphorylates
- a reaction that releases energy
- simple molecules link to form more complex ones
21 Clues: the enzyme that phosphorylates • a reaction that releases energy • a protein that acts as a catalyst • the enzyme that breaks down lipids • the enzyme that breaks down cellulose • the reactant in an enzymatic reaction. • the enzyme that removes phosphate groups • a reaction that requires an input of energy • complex molecules break down into simpler ones • ...
Biochemistry Crossword 2021-12-14
Across
- the region of an enzyme that the substrate(s) binds to for the reaction to occur
- the molecule(s) that an enzyme acts on; the reactant(s) of an enzymatic reaction
- a drug therapy for Chronic Myeloid Leukemia that targets cancer cells by regulating Bcr-Abl
- a simple lipid; made up of a long chain alcohol and a fatty acid; found naturally on leaf and stem coatings
- C₆H₁₂O₆; a monosaccharide; a carbohydrate
- compounds that contain the elements carbon, oxygen, nitrogen, hydrogen, and/or sulfur and are made by living organisms
- a sugar molecule, another name for carbohydrate
- a polysaccharide consisting of a chain of hundreds of glucose molecules; it is the main component in cell walls and other fibrous materials; cannot be digested by humans
Down
- a sugar molecule, an organic compound with a chemical formula of Cx(H₂O)y
- a polypeptide; a chain of amino acids connected by peptide bonds that are then folded to create a structured molecule that can do work
- primary information carrying molecules in the cell; come in two forms: DNA and RNA
- a protein that decreases the activation energy of the chemical reaction of a substrate molecule(s); increases the reaction rate of a substrate
- building blocks of proteins; made up of an amino group, a carboxyl group, and an R group attached to a central carbon
- a lipid, a hormone, a signaling molecule, and a membrane fluidity molecule; has a four ring molecular structure
- an activator or inhibitor binding to a site other than the active site of an enzyme to regulate its activity
- the genetic material inside cells that code for proteins
- organic compounds that are insoluble in water; fats, waxes, oils, and hormones; store energy and function as chemical messengers
17 Clues: C₆H₁₂O₆; a monosaccharide; a carbohydrate • a sugar molecule, another name for carbohydrate • the genetic material inside cells that code for proteins • a sugar molecule, an organic compound with a chemical formula of Cx(H₂O)y • the region of an enzyme that the substrate(s) binds to for the reaction to occur • ...
Amplify Chemical Reaction Vocab 2022-04-21
Across
- a process in which atoms rearrange to form new substances
- the relative size of things
- a starting substance that is part of a chemical reaction
- an ending substance that is made during a chemical reaction
- an object, diagram or computer program that helps us understand something by making it simpler or easier to see
Down
- to change the order or position of something
- something that is made of all the same atoms or groups of atoms
- something that can be observed about a substance, such as its color, smell, or boiling point
- the tiny pieces that all matter is made of
9 Clues: the relative size of things • the tiny pieces that all matter is made of • to change the order or position of something • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is made during a chemical reaction • something that is made of all the same atoms or groups of atoms • ...
Chemistry of Food 2024-12-02
Across
- A leavening agent containing both an acid and a base.
- The feel or consistency of food.
- Brown polymers formed during Maillard and caramelization reactions.
- An ionic compound formed from the neutralization of an acid and a base.
- The browning of sugar under heat, enhancing flavor.
- Substances that accept hydrogen ions or release hydroxide ions.
- Substances that release hydrogen ions in a solut ion.
- A solid that forms from a solution during a chemical reaction.
- Combining ingredients to form a homogenous mixture.
- The process of working dough to develop gluten.
- An ingredient in baking powder.
- A browning reaction that gives cooked food its flavor.
- Another protein in gluten that contributes to dough structure.
- A lab technique to determine the concentration of an unknown solution.
- A mixture of two liquids that usually don’t mix, like oil and water.
- Chemical changes induced by heat.
Down
- One of the proteins in gluten.
- Methods used to prevent food spoilage.
- A reaction where an acid and a base cancel each other out.
- Essential macromolecules that build and repair tissues.
- The chemical breakdown of a substance by bacteria, yeasts, or other microorganisms.
- A common base used in cooking and cleaning.
- The process by which dough expands due to leavening agents.
- The process of making dough rise.
- Substances used to thicken or stabilize mixtures.
- The chemical name for baking soda.
- Pigments that give fruits and vegetables red, purple, or blue colors.
- A solution that resists changes in pH.
- Sugars that can participate in Maillard reactions.
- Preserving food by soaking it in a solution of salt, water, and sometimes vinegar.
- A scale used to measure the acidity or basicity of a solution.
- A substance that helps mix oil and water.
- A protein found in wheat that gives dough elasticity.
33 Clues: One of the proteins in gluten. • An ingredient in baking powder. • The feel or consistency of food. • The process of making dough rise. • Chemical changes induced by heat. • The chemical name for baking soda. • Methods used to prevent food spoilage. • A solution that resists changes in pH. • A substance that helps mix oil and water. • ...
1 Preparing a salt 2 What's a salt 3 Word equations 4 Reactions of metals 5 Metal reactivity series 2020-12-18
Across
- what are reactants of magnesium+hyrdogen reaction
- when a metal salt reacts with a more reactive salt, what sort of reaction occurs?
- nitric acid formula
- how neutralisation reaction form
- least reactive metal
- reacts with acids to form salts, and promotes certain chemical reactions
- iron oxide+carbon
- salt's chemical name
- substance with a ph of higher than 11 is a
- sodium hydroxide
- what happens when silver reacts with oxygen
- what two substances produce when acid+metal
- most reactive metal
- ammonium nitrate formula
- what elements make up Copper sulphate
- What gas is always produced when a metal reacts with water?
- reaction that is a type of reaction that replaces part of one reactor with another
Down
- salt that is used to make blackboard chalk
- Sodium + chlorine gas zincnitrate which salt will be formed by the reaction of nitric acid with zinc carbonate?
- Lithium chloride + Iron → ?
- does aluminium can displace potassium
- zinc chloride+hydrogen
- group one metals
- meral+water
- word equation of neutralisation reaction
- magnesium+steam
- copper+sulfate
- calcium+water+carbon dioxide
- salts that are made with carbonic acid are called.....
- what gas is required for something to burn?
30 Clues: meral+water • copper+sulfate • magnesium+steam • group one metals • sodium hydroxide • iron oxide+carbon • nitric acid formula • most reactive metal • least reactive metal • salt's chemical name • zinc chloride+hydrogen • ammonium nitrate formula • Lithium chloride + Iron → ? • calcium+water+carbon dioxide • how neutralisation reaction form • does aluminium can displace potassium • ...
Unit 11: Rate of Reaction 2017-05-04
Across
- if a product or reactant is this order, it has no effect on rate
- on an energy curve, the energy of these is to the left of the curve
- if the net energy change is positive, the reaction is _____
- if a product or reactant is this order, rate depends on the squared value of reactant added
- the rate constant is labeled with this variable
- in a k or q expression, coefficients become ______
- a specific type of catalysts
- how the concentration of of a reactant or product changes
- _______ energy is energy required to turn products to reactants
- on an energy curve, the energy of these is to the right of the curve
Down
- reactions occur from _______ between reactants
- moles per liters
- in the rate expression, the exponents let us determine _____ of the reaction
- if the net energy change is negative, the reaction is _______
- molarity is a measurement for ______
- adding thing increases rate
- chemical _______ is the study of reaction rate rate
- activated ________ is represented by the peak of an energy curve
- rate increases as temperature ________
- if you subtract energy of reactants from products, you get the ______ energy of the reaction
20 Clues: moles per liters • adding thing increases rate • a specific type of catalysts • molarity is a measurement for ______ • rate increases as temperature ________ • reactions occur from _______ between reactants • the rate constant is labeled with this variable • in a k or q expression, coefficients become ______ • chemical _______ is the study of reaction rate rate • ...
photosynthesis 2022-11-01
Across
- a temporary way of creating energy without oxygen
- A way for plants to make their own food
- organelle necessary for respiration
- glucose, oxygen
- the chemical formula for glucose
- a mathmatic formula to show the chemical makeup of different substances
Down
- the things that will be used for a chemical reaction
- most common cell used for fermentation
- only type of cell that can preform photosynthesis
- bear, owl, fly
- An organelle found in plants that caries out photosynthesis
- cactus, tree, grass
- ingredient not used in photosynthesis : water, sunlight, soil, carbon dioxide
- A product of lactic fermentation
- Chemical formula for water
15 Clues: bear, owl, fly • glucose, oxygen • cactus, tree, grass • Chemical formula for water • A product of lactic fermentation • the chemical formula for glucose • organelle necessary for respiration • most common cell used for fermentation • A way for plants to make their own food • a temporary way of creating energy without oxygen • only type of cell that can preform photosynthesis • ...
Module 2 2021-09-06
Across
- The process by which cells become progressively more specialized
- Ability to respond to environmental changes
- Chemical used for energy and cell building
- All chemical and physical changes sustaining an organism
- Detects change in variable
- Increase in cell size
Down
- Changes in form and size
- (feedback) Negates the original stimulus
- A state of equilibrium, as in an organism or cell, maintained by self-regulating processes.
- Generation of new individuals
- (feedback) Strengthen a change in body's condition
- something that causes a change or a reaction
- required for chemical reactions
- Most abundant chemical in human body
- Directly causes change in variable
15 Clues: Increase in cell size • Changes in form and size • Detects change in variable • Generation of new individuals • required for chemical reactions • Directly causes change in variable • Most abundant chemical in human body • (feedback) Negates the original stimulus • Chemical used for energy and cell building • Ability to respond to environmental changes • ...
Balancing Equation Crossword 2021-01-29
Across
- symbolic representation of a chemical reaction
- Mass is neither created or destroyed, which is why we balance chemical reactions
- the arrow that indicates a chemical reaction is occurring
- Small number written after and BELOW an element in a chemical formula telling you how many of the atoms you have in the chemical formula
Down
- all elements in a equation are equal in number
- the number of elements are not all equal
- things that react together (on the left side of the equation)
- Normal sized numbers written to balance a chemical equation in front of the element or compound
- things that are produced (on the right side of the equation)
9 Clues: the number of elements are not all equal • all elements in a equation are equal in number • symbolic representation of a chemical reaction • the arrow that indicates a chemical reaction is occurring • things that are produced (on the right side of the equation) • things that react together (on the left side of the equation) • ...
Biology: Enzymes 2024-01-27
Across
- Proteins that help speed up chemical reactions in out cells. They act as catalysts.
- The specific molecule that an enzyme acts upon during a chemical reaction.
- When the active site undergoes a slight change in shape to accommodate and bind to the substrate more snugly as the substrate approaches.
- Molecules that can bind to the active site of an enzyme and compete with the substrate for binding.
- The minimum amount of energy required for a chemical reaction to occur.
Down
- Molecules that can bind to an enzyme at a site other than the active site.
- A regulatory mechanism that helps regulate enzyme activity and prevent the overproduction of certain molecules.
- Non-protein molecules that help enzymes carry out their functions effectively.
- Small organic molecules that assist enzymes in carrying out their functions. They often bind to the active site of an enzyme and participate in the chemical reactions.
- A specific region on an enzyme where a substrate binds and undergoes a chemical reaction.
10 Clues: The minimum amount of energy required for a chemical reaction to occur. • Molecules that can bind to an enzyme at a site other than the active site. • The specific molecule that an enzyme acts upon during a chemical reaction. • Non-protein molecules that help enzymes carry out their functions effectively. • ...
Science Week 11 Types of Energy 2022-11-16
Across
- Transferring heat from one place to another without touching
- When heat moves from one object to another.
- Energy is associated with light.
- Causes hot material to rise and colder material to sink.
- Energy that bonds electrons to an atom.
- Energy that comes from a nuclear reaction.
- The only thing able to catch light.
Down
- The Law of Conservation of Energy says that new energy is not created and old energy is not ____________.
- Energy that is associated with gravity.
- Energy that comes from an object's position.
- Energy that comes from a chemical reaction.
- Energy that comes from the motion of a body.
- Energy that comes from sound.
- Energy that comes from movement.
- Energy that comes from heat.
15 Clues: Energy that comes from heat. • Energy that comes from sound. • Energy that comes from movement. • Energy is associated with light. • The only thing able to catch light. • Energy that is associated with gravity. • Energy that bonds electrons to an atom. • Energy that comes from a nuclear reaction. • Energy that comes from a chemical reaction. • ...
Chemical Formula and Equations 2017-11-26
Across
- Same or equal
- Change in which the composition of a substance changes
- Much or many
- Dealing with chemicals
- Again or back
- Characteristics that can be observed using the five senses, without changing or trying to change the composition of the substance
- An expression which uses chemical symbols to represent a reaction
- Mass of an object divided by its volume
Down
- Region surrounding the nucleus of an atom, where electrons are most likely to be found
- Matter that has the same composition and properties throughout
- Change in which the form or appearance of matter changes, but not its composition
- States that mass is neither created nor destroyed
- A clue which helps identify a chemical reaction
- Characteristics that cannot be observed without altering the sample
- First or primary
- Light
16 Clues: Light • Much or many • Same or equal • Again or back • First or primary • Dealing with chemicals • Mass of an object divided by its volume • A clue which helps identify a chemical reaction • States that mass is neither created nor destroyed • Change in which the composition of a substance changes • Matter that has the same composition and properties throughout • ...
Unit 2 Vocab 2022-09-27
Across
- Adenosine Triphosphate; charged energy storage molecule.
- Process of breaking down glucose to make ATP.
- Organism that must eat other organisms to obtain energy.
- Organelle; site of steps 2 & 3 of aerobic cellular respiration.
- Describes a situation in which oxygen is present
- Pigment in chloroplast; used to trap light energy.
- Organelle; site of photosynthesis.
- Anything that has mass and takes up space.
- Substances at the beginning of a chemical reaction; changed into products.
Down
- Process of using light energy to make glucose.
- Organism that makes its own food; base of the food chain.
- Describes a situation in which oxygen is not present
- Adenosine Diphosphate; uncharged energy storage molecule.
- Substances created during a chemical reaction; made from reactants.
- Organism that breaks down compounds; recyclers.
- Second step of anaerobic respiration
16 Clues: Organelle; site of photosynthesis. • Second step of anaerobic respiration • Anything that has mass and takes up space. • Process of breaking down glucose to make ATP. • Process of using light energy to make glucose. • Organism that breaks down compounds; recyclers. • Describes a situation in which oxygen is present • Pigment in chloroplast; used to trap light energy. • ...
Vocab Assignment 3 2024-06-17
Across
- a molecule that can react with other molecules to form larger molecules
- a cell or group of cells that receives stimuli
- chainlike molecule that consists of identical building blocks (DNA/RNA)
- a large molecule made up of smaller chemical structures
- a chemical reaction in which water is used to break down a compound
- a compound that your body breaks down into glucose
Down
- the chemical reaction in the body that changes food into energy
- a molecule made up of amino acids that keeps cells in shape and make up muscles
- large molecules made up of chemical bonds
- a condition in which the body loses too much water and other fluids that is needed to work
- fatty compounds that have different functions in your body
11 Clues: large molecules made up of chemical bonds • a cell or group of cells that receives stimuli • a compound that your body breaks down into glucose • a large molecule made up of smaller chemical structures • fatty compounds that have different functions in your body • the chemical reaction in the body that changes food into energy • ...
MATTER & ENERGY VOCABULARY Part 1 2013-09-23
Across
- The smallest particle of an element that cannot be broken down without losing its properties; basic unit that makes up all matter.
- The number of each molecule in a chemical formula.
- A short simple way to describe a chemical reaction using symbols.
- Simple model of an atom that shows the distribution of protons and neutrons in the nucleus and the distribution of electrons in orbiting energy levels.
- The force that holds the atoms of molecules and compounds together.
- The average mass of an atom.
Down
- Breaks easily when placed under stress.
- The number of protons found in the nucleus of an atom.
- When chemical bonds are broken and atoms rearrange, a chemical reaction occurs.
- Change in a substance through chemical reactions to form new substances with different properties.
- A substance made up of two or more different types of atoms (elements).
11 Clues: The average mass of an atom. • Breaks easily when placed under stress. • The number of each molecule in a chemical formula. • The number of protons found in the nucleus of an atom. • A short simple way to describe a chemical reaction using symbols. • The force that holds the atoms of molecules and compounds together. • ...
Vocabulary crossword puzzle 2015-11-24
Across
- A physical substance that which occupies space
- A property (as color hardness,boiling point) of matter not involving in its manifestation a chemical change
- A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
- The force that attracts a body toward the center of the earth
- usually reversible change in the physical properties of a substance,as size or shape
- A measure of how much matter is in an object
- A solid material ability to deform under tensile stress that is often characterized by the materials ability to be stretched into a wire
- amount of space that a substance or object occupies
- A tendency to do nothing or to remain unchanged
- degree of compactness of a substance
Down
- A body's relative mass or the quality of matter contained by it
- amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material
- A usually irreversible chemical reaction
- A chemical property referring to the ability for a given substance
- A feature or quality belonging typically to a person
- The ability of a substance to burn or ignite
- The curved upper surface in a tube
- The quality of something that can be shaped into something else without breaking
- The SI unit of force
19 Clues: The SI unit of force • The curved upper surface in a tube • degree of compactness of a substance • A usually irreversible chemical reaction • The ability of a substance to burn or ignite • A measure of how much matter is in an object • A physical substance that which occupies space • A tendency to do nothing or to remain unchanged • ...
Vocabulary crossword puzzle 2015-11-24
Across
- A physical substance that which occupies space
- A property (as color hardness,boiling point) of matter not involving in its manifestation a chemical change
- A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
- The force that attracts a body toward the center of the earth
- usually reversible change in the physical properties of a substance,as size or shape
- A measure of how much matter is in an object
- A solid material ability to deform under tensile stress that is often characterized by the materials ability to be stretched into a wire
- amount of space that a substance or object occupies
- A tendency to do nothing or to remain unchanged
- degree of compactness of a substance
Down
- A body's relative mass or the quality of matter contained by it
- amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material
- A usually irreversible chemical reaction
- A chemical property referring to the ability for a given substance
- A feature or quality belonging typically to a person
- The ability of a substance to burn or ignite
- The curved upper surface in a tube
- The quality of something that can be shaped into something else without breaking
- The SI unit of force
19 Clues: The SI unit of force • The curved upper surface in a tube • degree of compactness of a substance • A usually irreversible chemical reaction • The ability of a substance to burn or ignite • A measure of how much matter is in an object • A physical substance that which occupies space • A tendency to do nothing or to remain unchanged • ...
Biology Chapter 3: Chemistry 2020-11-04
Across
- adenosine triphosphate, an organic molecule that acts as the main energy source for cell processes
- the capacity to do work
- an organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
- a substance that forms in a chemical reaction
- any compound that increases the number of hydroxide ions when dissolved in water
- Energy the minimum amount of energy required to start a chemical reaction
- the force that holds molecules of a single material together
- a substance that cannot be separated or broken down into simpler substances by chemical means
- a substance or molecule that participates in a chemical reaction
- a value that is used to express the acidity or alkalinity (basicity) of a system
- the reactant in reactions catalyzed by enzymes
- a class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
- Acid an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information
Down
- a solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it.
- Acid a compound of a class of simple organic compounds that contain a carboxyl and an amino group and that combine to form proteins
- an organic compound that consists of a sugar, a phosphate, and a nitrogenous base
- a group of atoms that are held together by chemical forces
- any compound that increases the number of hydronium ions when dissolved in water
- Electron an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties
- the smallest unit of an element that maintains the chemical properties of that element
- A molecule, either protein or RNA, that acts as a catalyst in biochemical reactions
- a substance made up of atoms of two or more different elements joined by chemical bonds
- an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
- a homogeneous mixture throughout which two or more substances are uniformly dispersed
- deoxyribonucleic acid, the material that contains the information that determines inherited
- a fat molecule or a molecule that has similar properties, including waxes and steroids
- ribonucleic acid, a natural polymer that is present in all living cells and that plays a role in protein
- the attractive force between two bodies of different substances that are in contact with each other
- Site on an enzyme, the site that attaches to a substrate
29 Clues: the capacity to do work • a substance that forms in a chemical reaction • the reactant in reactions catalyzed by enzymes • Site on an enzyme, the site that attaches to a substrate • a group of atoms that are held together by chemical forces • the force that holds molecules of a single material together • ...
Respiratory System Crossword 2024-08-08
Across
- When the muscles are working and getting shorter
- The name for the substances that are reacted together
- The chemical reaction that releases energy from glucose
- Scientific name for breathing out
- The useful product released during respiration
- A place in cell where aerobic respiration happens
Down
- Muscles found between the ribs
- A reactant during respiration, we breathe it in
- A reactant where the energy is stored before
- Scientific name for breathing in
- The name for what is produced in a chemical reaction
- Waste product of respiration
- Bones that protect the lungs
- A product during respiration, we drink it
- When the muscles are at rest and return to normal size
- When we breathe in, this contracts and moves down pulling air into the lungs
16 Clues: Waste product of respiration • Bones that protect the lungs • Muscles found between the ribs • Scientific name for breathing in • Scientific name for breathing out • A product during respiration, we drink it • A reactant where the energy is stored before • The useful product released during respiration • A reactant during respiration, we breathe it in • ...
Photosynthesis/Respiration Review 2025-01-23
Across
- the gas needed for photosynthesis
- the molecules that go into a chemical reaction
- the organelle responsible for photosynthesis
- term describing organisms that make their own food
- rely on plants and animals that eat plants for their food
- where plants get the energy needed for photosynthesis
- taken up by roots of a plant
Down
- the molecules that are made during a chemical reaction
- able to do bother photosynthesis and cellular respiration
- the organelle responsible for cellular respiration
- the gas needed for cellular respiration
- the color of the chlorophyl inside chloroplasts
- term describing organisms that rely on eating other organisms for their food
- the simple sugar needed for cellular respiration
- initials for the energy produced during cellular respiration
- what part of a plant is most photosynthesis done
16 Clues: taken up by roots of a plant • the gas needed for photosynthesis • the gas needed for cellular respiration • the organelle responsible for photosynthesis • the molecules that go into a chemical reaction • the color of the chlorophyl inside chloroplasts • the simple sugar needed for cellular respiration • what part of a plant is most photosynthesis done • ...
Chemistry Crossword 2018-04-09
Across
- determines the number of energy levels.
- if the numbers of atoms for each element are the same on both the reactants and product the equation is _________.
- reactivity is determined by an element’s ___________.
- on the left side of the “staircase”, good conductors of heat, malleable and ductile.
- on the right side of the “staircase”,does not conduct heat/electricity, brittle and dull.
- tells you how many atoms of that element are present.
- a substance that forms in a chemical reaction.
- the smallest unit of matter.
- has a neutral charge and is located in the nucleus.
- where most of the mass in an atom is located.
- have properties of both metals and nonmetals.
- The law of conservation of _____ states that _____ cannot be created or destroyed.
Down
- elements in the same ______ share similar physical and chemical properties.
- a substance or molecule that participates in a chemical reaction.
- non-reactive group, group 18.
- tells you how many molecules of that particular compound you have.
- a group of two or more atoms that are chemically bonded together. Ex. H2O
- has a negative charge and is located in a cloud outside of the nucleus.
- this subatomic particle identifies an element.
19 Clues: the smallest unit of matter. • non-reactive group, group 18. • determines the number of energy levels. • where most of the mass in an atom is located. • have properties of both metals and nonmetals. • a substance that forms in a chemical reaction. • this subatomic particle identifies an element. • has a neutral charge and is located in the nucleus. • ...
Speed of Chemical Reactions 2014-04-24
Across
- A chemical reaction in which a solid is formed from mixing two liquids.
- A solid substance can be separated from a liquid by this process.
- The chemical name for salt
- When this substance reacts to form a compound an oxide is formed.
- Substance formed when water freezes.
- The rate of a chemical reaction can be increased by reducing the size of this.
- A substance in which contains 2 or more elements that are not chemically bonded together.
Down
- Where you would find all the elements.
- A property of iron.
- The non metal that is found in the substance aluminium nitride.
- The gas that you breathe out.
- The substance formed when copper reacts with bromine.
- Type of energy released when there is an increase in temperature.
- Type of energy produced by the sun.
- An element which is a yellow powder which produces an eggy small when heated.
- Substance that reacts with acid to form a gas.
- Process by which water can be separated from a solution.
- Type of gas you would find in a swimming pool.
- A substance made of more than one element that are chemically bonded together.
19 Clues: A property of iron. • The chemical name for salt • The gas that you breathe out. • Type of energy produced by the sun. • Substance formed when water freezes. • Where you would find all the elements. • Substance that reacts with acid to form a gas. • Type of gas you would find in a swimming pool. • The substance formed when copper reacts with bromine. • ...
LEAP Review- Science 2022-04-12
Across
- all factors that must remain the same; allows for a 'fair test'
- factor that responds to the change in an experiment
- ___________ have a positive charge
- is anything that takes up space and has mass
- ____________ change is when a substance is changed into a different substance.
- _____________ observation. Data described in numbers. such as mass, height, volume, temperature, distance, time, etc
- a characteristic or ability of a substance to change into a different substance.
- number of protons + neutrons.
- number of protons and also the number of electrons in an atom of an element.
Down
- a trait of a substance that can be observed or measured without changing the substance into another substance
- ____________ observation. Describes data using words based on qualities like color, odor, texture
- ____________ have no charge
- _____________ observation. Data described in numbers. such as mass, height, volume, temperature, distance, time, etc
- made of two or more different elements chemically combined in a set ratio
- created when two or more atoms join together.
- ___________ have a negative charge
- A substance made of one type of atom. Cannot be separated into simpler substances.
- A chemical reaction that releases energy in the form of heat
- A chemical reaction that absorbs energy in the form of heat
- ___________ change does not change what the substance is
20 Clues: ____________ have no charge • number of protons + neutrons. • ___________ have a positive charge • ___________ have a negative charge • is anything that takes up space and has mass • created when two or more atoms join together. • factor that responds to the change in an experiment • ___________ change does not change what the substance is • ...
Biology Crossword 2020-10-08
Across
- / relating or requiring oxygen
- / higher osmotic pressure than a substance
- / maintaining internal status
- / substance that produces color
- / an organ or cell that can respond to signals
- / organelle that stores DNA
- / provides most of the chemical energy
- / colorless fluid
- / organic compound that provides energy
- / living organism that produces organic substances
- cycle / series of chemical reactions
- / enlarges the rate of chemical reaction
- respiration / aerobic process
Down
- / vesicle within the cytoplasm
- / same osmotic pressure as a substance
- / metabolic process
- / contains amino acids
- / movement of high concentration to low
- / organelles that conduct photosynthesis
- / movement of low concentration to high
- / acceptor of energized electrons
- / outcome of chemical reactions
- membrane / membrane that separates the interior from exterior
- / protoplasm within a living cell
- / used to describe something that does not require oxygen
- / standard measure of energy
26 Clues: / colorless fluid • / metabolic process • / contains amino acids • / organelle that stores DNA • / standard measure of energy • / maintaining internal status • / vesicle within the cytoplasm • / relating or requiring oxygen • respiration / aerobic process • / substance that produces color • / outcome of chemical reactions • / acceptor of energized electrons • ...
Exam 3 2024-11-11
Across
- grow in acidic environments
- Cold-Loving
- Speed up chemical reactions without being altered
- transfer functional groups
- heat-loving
- Human Immunodeficiency Virus
- sum of all chemical reactions with a living organism
- is the amount of collision energy required for a chemical reaction to occur
- Bone loss/Death
- introduction of microbes into a medium
Down
- hydrolysis
- reactions that use energy and building blocks to build complex molecules
- Protein portion
- are biological catalysts
- microbes growing in or on a culture medium
- Liver Damage
- moderate-temperature-loving
- Reactions that break down complex molecules
- oxidation-reduction reactions
- unable to use oxygen and most are harmed by it
- no living microbes
- Fat Distribution
- Increased fat in blood
- nutrients prepared for microbial growth
- States that chemical reactions occurs when atoms, ions, and molecules collide
25 Clues: hydrolysis • Cold-Loving • heat-loving • Liver Damage • Protein portion • Bone loss/Death • Fat Distribution • no living microbes • Increased fat in blood • are biological catalysts • transfer functional groups • grow in acidic environments • moderate-temperature-loving • Human Immunodeficiency Virus • oxidation-reduction reactions • introduction of microbes into a medium • ...
Chemistry crossword 2023-10-31
Across
- How close to the true value results are
- There are 118 of them
- Solid, liquid, gas
- When a gas substance forms a solid
- The 16th element
- Made of copper and tin
- A slow chemical reaction between metal and oxygen that makes metal oxide
- How close to each other the results are
- Water and carbon dioxide react through sunlight
- A chemical process where a substance gives off heat
- Turning a solid into liquid
- One of the smallest things
- Created when two or more metals are combined
- number The amount of protons and neutrons in an atom
- An ingredient in air
Down
- Able to be stretched into a wire
- It means that something can be hammered into a sheet without cracked
- A liquid turning into a solid
- How heavy is it for its size
- silver Made of silver and copper
- A substance dissolved in a solution
- The first element on the periodic table
- Having a Ph level of less than 7
- The construction of complex compounds from simpler ones
- Acid A liquid made with Hydrogen
- The 92nd element on the periodic table that has high radioactivity
- Shiny
- A chemical reaction between hydrocarbon and oxygen releasing heat and light
- Reaction between oxygen and sugar
- It is used by the human body
30 Clues: Shiny • The 16th element • Solid, liquid, gas • An ingredient in air • There are 118 of them • Made of copper and tin • One of the smallest things • Turning a solid into liquid • How heavy is it for its size • It is used by the human body • A liquid turning into a solid • Able to be stretched into a wire • Having a Ph level of less than 7 • silver Made of silver and copper • ...
Chemistry Crossword 2024-05-02
Across
- The connection between two atoms in a molecule
- A compound that increases the amount of OH- ions in an aqueous solution
- Overall positive charge
- The characteristic temperature at which a liquid becomes a gas
- The characteristic temperature at which a solid becomes a liquid
- The transfer of energy from one body to another due to a difference in temperature
- An amount that is theoretically produced as calculated using the balanced chemical reaction
- A measure of the unequal sharing of electrons which has resulted in a dipole movement
- Area of enzymatic action where substrate molecules react
- The half cell that contains the oxidation reaction
- The smallest piece of an element that maintains the identity of that element
Down
- A gas law that relates volume and temperature at a constant pressure and amount
- A measure of the average amount of kinetic energy a system contains
- The movement of gas molecules from one container to another
- Used to measure the heat of a chemical reaction
- A species with an overall negative charge
- The reactants which are specific for a biological catalyst
- A gas law that relates pressure and volume at constant temperature and amount
- The loss of one of more electrons by an atom
- A tiny subatomic particle with a negative charge
20 Clues: Overall positive charge • A species with an overall negative charge • The loss of one of more electrons by an atom • The connection between two atoms in a molecule • Used to measure the heat of a chemical reaction • A tiny subatomic particle with a negative charge • The half cell that contains the oxidation reaction • ...
Kyle's Quarterly Review 2022-03-21
Across
- the dissolvent in a solution
- a group of chemically combined atoms
- a mixture that is the same throughout
- a liquid that is in the 8-14 on the ph scale
- a liquid that is in the 1-6 on the ph scale
- the mass of an element
- a group of chemically combined elements that keep their properties.
- the dissolved in a solution
Down
- a mixture that is not the same throughout
- the amount of dissolved solute in a solvent
- the resulting chemical from the reaction
- the amount of a solute that can be dissolved in a solvent
- a metal that has been melted together
- the molecules that cause a chemical reaction
- the result of adding more solvent in a solution
15 Clues: the mass of an element • the dissolved in a solution • the dissolvent in a solution • a group of chemically combined atoms • a metal that has been melted together • a mixture that is the same throughout • the resulting chemical from the reaction • a mixture that is not the same throughout • the amount of dissolved solute in a solvent • ...
SES 141 Key Terms and Definitions 2021-12-01
Across
- A speed divided by a time is called
- transports energy by the flow of photons
- Estimate energy in joule of one human heartbeat
- Work, in the technical sense of the word, has units of
- transports energy by the bulk motion of material
- measures the speed of atoms/molecules
- transports energy by collisions between neighboring atoms or molecules
Down
- A substance that reduces the rate of a reaction is called
- the capacity to do work
- Electrons freed from an atom
- Glow sticks are an example of what type of chemical reaction
- Chemical reactions which absorb energy as they proceed are called
- direction of the change in motion
- A distance divided by a time is called
- a force times a distance
15 Clues: the capacity to do work • a force times a distance • Electrons freed from an atom • direction of the change in motion • A speed divided by a time is called • measures the speed of atoms/molecules • A distance divided by a time is called • transports energy by the flow of photons • Estimate energy in joule of one human heartbeat • ...
Photosynthesis and Respiration 2025-11-05
Across
- A process where one gas is absorbed and the other is released.
- A type of reaction where substances are being broken down.
- A type of reaction where substances are being formed.
- The gas that is used during photosynthesis.
- A type of respiration that produces a lot of energy.
- Small openings on the underside of leaves.
- A chemical substances used to test for carbon dioxide.
Down
- The organelles where respiration takes place.
- A simple sugar produced by plants.
- A type of respiration that doesn't require oxygen.
- The organelle were photosynthesis takes place.
- A chemical used to test for starch.
- A green pigment found in plants.
- The gas that is inhaled by animals.
- A substance that excess glucose is stored as.
15 Clues: A green pigment found in plants. • A simple sugar produced by plants. • A chemical used to test for starch. • The gas that is inhaled by animals. • Small openings on the underside of leaves. • The gas that is used during photosynthesis. • The organelles where respiration takes place. • A substance that excess glucose is stored as. • ...
Chemical Reaction Vocabulary Terms 2024-10-21
Across
- A change that transpires in which substances transform into new substances with new properties.
- The law that mass is incapable of being created, nor destroyed; the mass of a substance does not change, regardless of the rearrangement of the molecules that comprise the substance.
- A substance or molecule, perhaps more than one, that constitutes a chemical reaction, specifically the initial materials (displayed on the left side of a chemical equation.)
Down
- A change that occurs in a non-chemical manner; merely physical changes are present.
- A substance or molecule, perhaps more than one, created due to the incident of a chemical reaction (displayed on the right side of a chemical equation.)
- A substance, typically a solid, created due to a chemical reaction or an alteration in temperature.
- A manner in which to represent a chemical reaction by utilizing the symbols of elements to display the quantity of substance of the reactants and products.
- When two or more substances combine and new substances, of which have dissimilar properties than those of the beginning materials, are created.
8 Clues: A change that occurs in a non-chemical manner; merely physical changes are present. • A change that transpires in which substances transform into new substances with new properties. • A substance, typically a solid, created due to a chemical reaction or an alteration in temperature. • ...
Unit B Crossword - Matter and Chemical Change 2017-11-13
Across
- Positively charged particle in the nucleus of an atom.
- Chemical combination of two or more elements in a specific ratio.
- Change of state from a gas to a solid.
- An experiment in which all reactants and all products of a chemical reaction are accounted for.
- Atom that has become electrically charged because it has gained or lost electrons.
- Orbit of electrons around the nucleus of an atom.
- A combination of pure substances.
- Shiny, malleable, ductile element that conducts electricity.
- Mixture in which the different substances that make it up are visible.
- Pure substance formed when at least one metal and one non-metal combine.
- Change in the appearance or state of a substance that doesn’t change the composition.
Down
- Mass of one atom of an element calculated from the total number of protons, neutrons and electrons of that atom.
- Neutral particle in the nucleus of an atom.
- Number of protons in the nucleus of one atom of an element.
- Pure substance that cannot be broken down into other substances.
- New substance created in a chemical reaction between reactants.
- A cloudy mixture in which tiny particles within a substance are held within another and can not be separated.
- Pure substance formed when non-metals combine.
- An experiment in which one or more products of a chemical reaction can escape.
- Change that results when two or more substances react to create a different substance or substances.
- Horizontal row of elements in the periodic table.
- Mixture of two or more pure substances that looks like one substance.
- The smallest part of an element that is representative of that element.
- An element that has both metallic and non-metallic properties.
- (In Chemistry) Vertical column of elements in the periodic table, also called a group.
25 Clues: A combination of pure substances. • Change of state from a gas to a solid. • Neutral particle in the nucleus of an atom. • Pure substance formed when non-metals combine. • Orbit of electrons around the nucleus of an atom. • Horizontal row of elements in the periodic table. • Positively charged particle in the nucleus of an atom. • ...
Bio 3 chapter 2021-08-20
Across
- reaction that causes breakdown of larger molecules into smaller molecules by utilizing water
- chemical signaling molecule, usually protein or steroid, secreted by endocrine cells that act to control or regulate specific physiological processes
- membranes' major constituent; comprised of two fatty acids and a phosphate-containing group attached to a glycerol backbone
- linkage covalent chemical bond that holds together the polynucleotide chains with a phosphate group linking neighboring nucleotides' two pentose sugars
- Also known as fat
- polysaccharide that comprises the plants's cell wall
- The building block of protein
- biological macromolecule comprised of one or more amino acid chains
- process through which RNA directs the protein's formation
- This is seen in forms of single and multiple sugars
- This is the building blocks of nucleic acids
- bond formed by a dehydration reaction between two monosaccharides with eliminating a water molecule
- long chain of nucleotides
- storage carbohydrate in animals
- loss of shape in a protein as a result of changes in temperature, pH, or chemical exposure
Down
- This means 2 sugars
- process through which messenger RNA forms on a template of DNA
- large molecule necessary for life that is built from smaller organic molecules
- This the full name of DNA
- chain of monomer residues that covalent bonds link; polymerization is the process of polymer formation from monomers by condensation
- smallest unit of larger molecules that are polymers
- reaction that links monomer molecules releasing a water molecule for each bond formed
- lipid comprised of a long-chain fatty acid that is esterified to a long-chain alcohol; serves as a protective coating on some feathers, aquatic mammal fur, and leaves
- protein that helps nascent protein in the folding process
- type of carbohydrate that forms the outer skeleton of all arthropods
- This helps facilitate chemical reactions
26 Clues: Also known as fat • This means 2 sugars • This the full name of DNA • long chain of nucleotides • The building block of protein • storage carbohydrate in animals • This helps facilitate chemical reactions • This is the building blocks of nucleic acids • smallest unit of larger molecules that are polymers • This is seen in forms of single and multiple sugars • ...
Biology crossword Unit 1 2022-12-06
Across
- = bigger unit of monomer
- = made of CHO(carbon,hydrogen,oxygen) and is the main source of energy for animals/humans and "short term energy source"
- = effector binding sites within enzymes, distinct from the active site of the enzyme
- = molecules do not sit in the active site and change the shape of the enzyme and therefore the shape of the active site
- = chemical reactions in which the reactants absorb heat energy from the surroundings to form products
- = molecule that transports chemical energy within cells for metabolsim
- = made of CHON(carbon,hydrogen,oxygen,nitrogen) and main source of muscles
- = A chemical reaction that builds up molecules by losing water molecules
- = An interaction involving a hydrogen atom located between a pair of other atoms having high affinity for electrons.
- = The substance that is being dissolved
- = the process of breaking large molecules
- = macromolecule inside nucleus
- = the process of splitting a compound into fragments with the addition of water; a kind of reaction that is used to break down polymers into simpler(smaller) units
Down
- = chemical reactions that produce heat
- = speeds up reaction by lowering activation energy
- = When a substance is attracted to the same substance
- = made of CHO(carbon,hydrogen,oxygen) and contains fat/oil/wax and "long term energy source"
- = A liquid in which solute are being dissolved
- = molecules sit in the active site of the enzyme and prevent the entry of the substrate
- = the process by which the body changes food and drink into energy
- = "water loving"
- = substance produced by a living organism which acts as a catalyst; almost always protein
- = molecules that form proteins
- = "water fearing"
- = Pockets in the fads on enzyme surfaces; acts only on a specific substance
- = The attraction of molecules of one kind for molecules of a different kind
- = the process of creating large molecules from smaller molecues, utilizing energy
- = "CHONP"
- = smaller unit of polymer
29 Clues: = "CHONP" • = "water loving" • = "water fearing" • = bigger unit of monomer • = smaller unit of polymer • = molecules that form proteins • = macromolecule inside nucleus • = chemical reactions that produce heat • = The substance that is being dissolved • = the process of breaking large molecules • = A liquid in which solute are being dissolved • ...
Chemistry Crossword Puzzle 2015-06-16
Across
- the substance dissolved in a solution
- Law For a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure
- equation an expression representing a chemical reaction; the formulas of the reactants are connected by an arrow with the formulas for the products
- The tendency of molecules to move toward areas of lower concentration until the concentration is uniform throughout
- Theory The theory that all matter consists of tiny particles that are in constant motion
- reaction a chemical change in which a single compound is broken down into two or more simpler products
- A device that is used to measure atmospheric pressure
- gas law The gas law that includes all four variables -- P, V,T, and n
- the dissolving medium in a solution
Down
- a compounds ability or capability to dissolve in solution
- a small whole number that appears in front of a formula in a balanced chemical equation
- Point The temperature at which a solid changes into a liquid
- Theory Describes mathematically the wave properties of electrons and other very small particles.
- a substance that dissolves in water to give a solution that conducts electric current
- pressure The contribution each gas in a mixture of gases makes to the total pressure
- a homogeneous mixture of two or more substance in a single phase
- equation a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
- One wave per second.
18 Clues: One wave per second. • the dissolving medium in a solution • the substance dissolved in a solution • A device that is used to measure atmospheric pressure • a compounds ability or capability to dissolve in solution • Point The temperature at which a solid changes into a liquid • a homogeneous mixture of two or more substance in a single phase • ...
Chemistry 2016-02-11
Across
- the letter or letters that symbolize a certain element
- the mass of an element
- energy is given off
- Atomic particle found in the nucleus and carries a positive charge
- energy is absorbed
- one solid base gas, solid, or liquid by itself
- matter cannot be created or destroyed, only changed
- Atomic particles that move around the nucleus; Negative charge
- the objects that are reacting with each other in a chemical reaction
- group of elements that are odorless, colorless, and nonreactive
- a reaction when a layer of metal is bonded to another substance
Down
- group of two or more of the same ore different elements
- partially conductive, good for semiconductors and computer chips
- solid, shiny, ductile, good conductor, and malleable
- group of two or more different elements
- the electrons in the outer most orbital
- vertical grouping on the P.T.
- not malleable, conductive, or ductile, and very brittle
- center part of an atom
- Atomic particle found in the nucleus and carries a neutral charge
- the result of a chemical reaction
- the amount of protons and electrons
- regions of space outside the nucleus of an atom
- Russian chemist created periodic table
- The smallest part of an element
- horizontal grouping on the P.T.
26 Clues: energy is absorbed • energy is given off • the mass of an element • center part of an atom • vertical grouping on the P.T. • The smallest part of an element • horizontal grouping on the P.T. • the result of a chemical reaction • the amount of protons and electrons • Russian chemist created periodic table • group of two or more different elements • ...
Weathering, Erosion, and Deposition 2024-02-22
Across
- The process of rocks breaking apart due to violent contact with other particles.
- Of or relating to the chemistry of organisms.
- A body of water traveling a great distance.
- A large slab of ice that slowly moves downhill, shaping the landscape as it goes.
- The motion of the an atmosphere due to uneven heating.
- The process of moving weathered materials.
- The chemical reaction of carbon dioxide to give carbonates, bicarbonates, and carbonic acids.
- A mix of sediments, minerals, and biological detritus that forms the very surface of Earth's land.
- The settling down of eroded materials in a new location.
- The process of breaking down rocks or minerals.
Down
- Relating to the mechanical laws of science.
- Of or relating to chemistry or molecular reactions.
- The chemical reactions that are a result of a material coming into contact with oxygen.
- Solid water at a temperature below water's freezing point.
- The reaction of a material with liquid water.
- The solid mineral material forming the much surface of the Earth and similar bodies.
- Fine weathered materials mixed together.
- The non-metallic solid substances forming much of the Earth's surface.
- A group of molecules of H2O.
19 Clues: A group of molecules of H2O. • Fine weathered materials mixed together. • The process of moving weathered materials. • Relating to the mechanical laws of science. • A body of water traveling a great distance. • Of or relating to the chemistry of organisms. • The reaction of a material with liquid water. • The process of breaking down rocks or minerals. • ...
Crossword Photosynthesis 2023-04-18
Across
- the process by which glucose is synthesized during photosynthesis
- the molecule that carries electrons in photosynthesis
- the type of organisms that consume oxygen and produce carbon dioxide
- the type of molecule that is split during the light-dependent stage of photosynthesis
- the pigment responsible for absorbing light energy during photosynthesis
- the name of the cycle that occurs during the light-independent stage of photosynthesis
- the type of reaction that occurs during the light-independent stage of photosynthesis
- the organelle in plant cells where photosynthesis occurs
- the gas that is released as a byproduct of photosynthesis
- the type of energy stored in chemical bonds during photosynthesis
- the type of organisms that undergo photosynthesis
Down
- the process by which oxygen is produced during photosynthesis
- the type of energy required for photosynthesis to occur
- the type of molecule that is produced during the light-dependent stage of photosynthesis
- the antonym of dependent
- the green pigment found in chloroplasts that is involved in photosynthesis
- the process by which plants convert light energy into chemical energy
- the type of reaction that occurs during the light-dependent stage of photosynthesis
- the stage of photosynthesis where carbon dioxide is fixed into glucose
- the type of molecule is produced during the light-independent stage of photosynthesis
20 Clues: the antonym of dependent • the type of organisms that undergo photosynthesis • the molecule that carries electrons in photosynthesis • the type of energy required for photosynthesis to occur • the organelle in plant cells where photosynthesis occurs • the gas that is released as a byproduct of photosynthesis • ...
Chemistry of life (Kevin) 2017-10-08
Across
- A covalent bond that one amino acid is attached to anther amino acid.
- monomer of disaccharide and polysaccharide.
- monomer of polypeptide and proteins.
- A subtance that cannot be turned into other subtance through chemical reactions.
- polymer of amino acids
- A kind of protein that defend against bacteria.
- A reaction that H20 are decomposed.
- Universal solvent.
Down
- general name of fat and oils.
- A bond that formed between a hydrogen atom covalently linked to an oxygen or a nitragen atom.
- A important disaccharide that prove energy.
- A substance consisting of two or more elements in a fixed ratio
- A strong interaction between atoms.
- Monomer of macromolecules
- An electrical attraction between two ions.
- The smallest unit that keeps the chemical properties of an element.
- Anything that takes up space and has mass.
- A reaction that form H2O.
- A kind of protein that is the catalyze biochemical reactions.
- Different atoms of an element that have the same number of proton, but different number of neutron.
20 Clues: Universal solvent. • polymer of amino acids • Monomer of macromolecules • A reaction that form H2O. • general name of fat and oils. • A strong interaction between atoms. • A reaction that H20 are decomposed. • monomer of polypeptide and proteins. • An electrical attraction between two ions. • Anything that takes up space and has mass. • ...
BIOLOGY 2014-09-30
Across
- a pyrimidine in RNA that replaces Thymine
- macromolecules composed of amino acids
- when two amino acids combine
- an organic catalyst that accelerates a specific chemical reaction by lowering the energy required
- consists of four carbon rings
- a sugar that cant be broken down by hydrolysis to a simple sugar
- a three carbon alcohol with hydroxyl group on each carbon
- a longer chain of amino acids which may contain up to hundreds
- any of a group of organic compounds that are insoluble in water but soluble in nonpolar solvents
- not readily reacting with water
- to alter physical properties
- two isomeric chemical compounds that are mirror images
Down
- substance that increase speed that a reaction occurs
- animal starch
- typical form of a carbohydrate used for energy storage in plants
- monomer of nucleic acid
- main component of cell walls of fungi and exoskeletons of insects and fish
- a molecule of RNA that has catalytic properties
- compound containing carbon hydrogen and oxygen
- 5 carbon sugar in ribonucleic acid
20 Clues: animal starch • monomer of nucleic acid • when two amino acids combine • to alter physical properties • consists of four carbon rings • not readily reacting with water • 5 carbon sugar in ribonucleic acid • macromolecules composed of amino acids • a pyrimidine in RNA that replaces Thymine • compound containing carbon hydrogen and oxygen • ...
Photosynthesis & Cellular Respiration Review 2024-02-13
Across
- types of cells that perform cellular respiration
- light
- powers photosynthesis
- the results in a chemical reaction
- an organism that eats other plants and animals for energy and nourishment
- to put together
- organelle that performs cellular respiration
- the starting molecules in a chemical reaction
- organelle that performs photosynthesis
- gas that is needed in cellular respiration but released as waste in photosynthesis
- process that occurs when oxygen is present
- process that releases energy or heat; cellular respiration is an example
- produced by breaking down glucose without oxygen
- broken down to release energy in cellular respiration
Down
- occurs in yeast and other single celled organisms
- process that stores energy or heat; photosynthesis is an example
- liquid reactant in photosynthesis and product in cellular respiration
- an organism that is able to form glucose
- gaseous reactant in photosynthesis and product in cellular respiration
- green pigment that makes up chloroplasts
- sugar produced in photosynthesis and broken down in cellular respiration
21 Clues: light • to put together • powers photosynthesis • the results in a chemical reaction • organelle that performs photosynthesis • an organism that is able to form glucose • green pigment that makes up chloroplasts • process that occurs when oxygen is present • organelle that performs cellular respiration • the starting molecules in a chemical reaction • ...
Unit 2 Ethan Wilker 2023-04-04
Across
- Diffusion that involves water
- a collection of cells bound together
- the basic unit of life
- where the substrate binds to the enzyme
- the movement of atoms from a high concentration to a low concentration
- Water fearing or hating
- Water loving
- a collection of organ systems
- Transport that does not require energy
- a part of a cell that performs a specific job
- when the shape of the enzyme is altered so it cannot perform it's job
- a type of protein that lowers the activation energy required to perform a chemical reaction
- what the enzyme is breaking down
Down
- A compound of two or more atoms
- a collection of tissue that does a job
- only allowing certain things to pass through
- what makes up the cell membrane
- Transport that requires energy.
- a group of organs that work together
- the amount of energy required to start a chemical reaction
- The result after a substrate is broken
- What Makes up everything
22 Clues: Water loving • the basic unit of life • Water fearing or hating • What Makes up everything • Diffusion that involves water • a collection of organ systems • A compound of two or more atoms • what makes up the cell membrane • Transport that requires energy. • what the enzyme is breaking down • a collection of cells bound together • a group of organs that work together • ...
Test 1 Review 2024-09-10
Across
- The most important among the 6 essential elements
- molecules attracted to water
- Positively charged ion
- the weakest type of bond
- central part of an atom that has protons and neutrons
- outer electrons involved in chemical bonding
- negatively charged ion
- atoms of the same element with different number of neutrons
- number of electrons in the first shell
- reaction that absorbs energy from its surroundings
- substance in which a solute is dissolved
- biological catalysts that speed up chemical reactions
Down
- subatomic particle with negative charge
- type of bond involving complete electron transfer
- molecules repelled by water
- uneven distribution of charge in a molecule
- bond involving shared electrons
- macromolecule that serves as the primary energy source
- macromolecule that serves as genetic material
- reaction that releases energy to its surroundings
- type of bond responsible for water to connect with water
- subatomic particle with a positive charge
- Mnemonic for knowing protons, neutrons, and electrons
- building blocks of polymers
24 Clues: Positively charged ion • negatively charged ion • the weakest type of bond • molecules repelled by water • building blocks of polymers • molecules attracted to water • bond involving shared electrons • number of electrons in the first shell • subatomic particle with negative charge • substance in which a solute is dissolved • subatomic particle with a positive charge • ...
biology 2023-10-02
Across
- Substances created during a chemical reaction
- Type of organism that must eat other organism that must eat other organisms to obtain energy.
- Describes a situation in which oxygen is present
- Third step of aerobic respirations
- Type of oganism that breaks down biotic compound into abiotic compunds, recyclers
- Process of using light energy to make glucose
- Sphere of earth, all living things on earth
- Anything that has mass and takes up space
- organelle, site of steps 2 and 3 aerobic cellular respiration
- Sphere of earth, all the water on earth
Down
- Type of organism that is able to make its own food
- Sphere of earth, all the gases surrounding earth
- Describes a situation in which oxygen is not present
- Second step of respiration
- Sphere of earth, all the rocks and soil on earth
- Organelle, site of photosynthesis
- Pigment in chloroplasts used to trap light energy during photsynthesis
- Second step of Aerobic respiration
- First step of Aerobic Respiration
- Substances at the beginning of a chemical reaction
20 Clues: Second step of respiration • Organelle, site of photosynthesis • First step of Aerobic Respiration • Third step of aerobic respirations • Second step of Aerobic respiration • Sphere of earth, all the water on earth • Anything that has mass and takes up space • Sphere of earth, all living things on earth • Substances created during a chemical reaction • ...
Chemistry Crossword 2020-05-17
Across
- reaction in which the oxidation number of a molecule, atom, or ion changes by GAINING or LOSING an electron
- a substance that has the ability to OXIDIZE other substances
- any chemical reaction that involves the MOVING of electrons
- a chemical reaction that involves the GAINING of electrons by one of the atoms involved in the reaction between two chemicals
Down
- reaction that occurs when there is NOT a TRANSFER of electrons
- a NUMBER that is assigned to an element in a chemical combination
- a chemical reaction that involves the GAINING of electrons by one of the atoms involved in the reaction between two chemicals
- the LOSS of electrons during a reaction by a molecule, atom or ion
8 Clues: any chemical reaction that involves the MOVING of electrons • a substance that has the ability to OXIDIZE other substances • reaction that occurs when there is NOT a TRANSFER of electrons • a NUMBER that is assigned to an element in a chemical combination • the LOSS of electrons during a reaction by a molecule, atom or ion • ...
Biology 2021-10-01
Across
- bond cause water molecules to attract to each other
- natural sugar in milk
- monosaccharides
- no charge
- polysaccharide
- compounds made from carbon,hydrogen
- molecule made from two hydrogen atoms and 1 oxygen atom
- make up everything
- negatively charged
- acid macromolecules contains hydrogen,oxygen,nitrogen,carbon,phosphorus
Down
- positively charge
- containing or made from milk
- substance made from atoms
- reaction changes one set of chemicals
- most common element
- element carbon,hydrogen,oxygen
- proteins,lipids,carbohydrates,
- atom or molecule with negative/positive charge
- structure nucleus+protons+neutrons
- chemical reactions need them to speed up
20 Clues: no charge • polysaccharide • monosaccharides • positively charge • make up everything • negatively charged • most common element • natural sugar in milk • substance made from atoms • containing or made from milk • element carbon,hydrogen,oxygen • proteins,lipids,carbohydrates, • structure nucleus+protons+neutrons • compounds made from carbon,hydrogen • reaction changes one set of chemicals • ...
Biology Chapter 2 2023-11-17
Across
- sharing a pair of valence electrons
- starting molecules of a chemical reaciton
- number of protons in the nucleus
- atoms are not shared equally
- negatively charged ion
- sharing two pairs of electrons
- neutral charge
- positive charge
- atoms with net electric charge
Down
- outermost electrons
- attraction between a cation and an anion
- final molecules of a chemical reaction
- atom's total mass
- sum of protons and neutrons
- same # of atoms & elements, different structure
- outermost shell
- smallest unit of matter
- negative charge
- positively charged ion
- sharing one pair of electrons
20 Clues: neutral charge • outermost shell • negative charge • positive charge • atom's total mass • outermost electrons • negatively charged ion • positively charged ion • smallest unit of matter • sum of protons and neutrons • atoms are not shared equally • sharing one pair of electrons • sharing two pairs of electrons • atoms with net electric charge • number of protons in the nucleus • ...
Environment chemistry 2013-12-09
Across
- paper saturated with a chemical to show whether a substance is acidic or basic
- a substance that speeds up chemical reactions without being used up in a reaction
- a chemical used to control weeds
- a mineral which the body needs 100mg/day
- the combining of an acid compound having a pH value of less than 7
- a chemical used to control pests
- the process of adding calcium carbonate to the environment
Down
- a chemical that produces a basic substance having a pH value of more than 7
- a chemical used to control moulds and fungi
- rain or snow containing acid compounds from the air
- an organic nutrient made of carbon, hydrogen and oxygen
- a scale the measures the acidity or alkalinity of a substance
- the sate of matter which has no definite shape
- how much calcium do we need every day
- a mineral that the body requires at lest 100mg/day in order to maintain health
- a chemical used to control insects
- the process whereby chemicals accumulate in the tissue of organisms along the food chain.
- a chemical that produces an acidic substance, having a pH value of less than 7
- a chemical that changes colour to indicate whether a substance is an acid or a base
- a mixture of a plant compounds used as a chemical indicator
- a special molecule that regulates chemical reactions in living organisms
21 Clues: a chemical used to control weeds • a chemical used to control pests • a chemical used to control insects • how much calcium do we need every day • a mineral which the body needs 100mg/day • a chemical used to control moulds and fungi • the sate of matter which has no definite shape • rain or snow containing acid compounds from the air • ...
Atomic Structure Topic Key Words 2025-12-02
Across
- The rows that make up the periodic table.
- equation A way of describing what happens in a chemical reaction by showing the chemical formulae of reactants and products. Must be balanced.
- solutions The mixture made by adding a soluble substance to water.
- Substance(s) made as a result of a chemical reaction.
- symbols The abbreviations used in balanced symbol equations to show if reactants and products are solid (s), liquid (l), gas (g) or aqueous/dissolved in water (aq).
- When some elements and/or compounds are mixed together but do not react. They are physically combined.
- A substance made when two or more elements are chemically bonded together.
- number The number of protons in an atom (which is equal to the number of electrons). Sometimes called the proton number.
- Atoms that have the same number of protons but different numbers of neutrons.
- The smallest part of an element that can still be recognised as that element.
- Subatomic particle with a relative charge of +1 and a relative mass of 1. Found in the nucleus.
- A charged particle produced by the loss or gain of electrons.
- The very small and dense central part of an atom that contains protons and neutrons.
- indicator A mixture of indicators that can change through a range of colours to show how strongly acidic or alkaline liquids and solutions are.
- Elements in group 7 of the periodic table.
- A substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance.
Down
- The columns that make up the periodic table (labelled 1-7 and 0).
- number The number of protons + neutrons in the nucleus of an atom.
- equation A way of describing what happens in a chemical reaction by showing the names of all reactants and the products they form.
- metals Elements in group 1 of the periodic table.
- Subatomic particle with a relative charge of 0 and a relative mass of 1. Found in the nucleus.
- table An arrangement of elements in the order of their atomic number, forming groups and periods.
- configuration A set of numbers to show the arrangement of electrons in their shells.
- Substance(s) we start with before a chemical reaction takes place.
- gases The very unreactive gases found in group 0 of the periodic table. Their atoms have very stable electronic structures.
- Subatomic particle with a relative charge of -1 and very little mass. Found in shells around the nucleus.
- of conservation of mass The total mass of the products formed in a reaction is equal to the total mass of the reactants.
- equation A requirement for a symbol equation – the same number of atoms of each element on either side of the equation.
28 Clues: The rows that make up the periodic table. • Elements in group 7 of the periodic table. • metals Elements in group 1 of the periodic table. • Substance(s) made as a result of a chemical reaction. • A charged particle produced by the loss or gain of electrons. • The columns that make up the periodic table (labelled 1-7 and 0). • ...
Chemistry Crossword 2020-05-17
Across
- reaction that occurs when there is NOT a TRANSFER of electrons
- a chemical reaction that involves the GAINING of electrons by one of the atoms involved in the reaction between two chemicals
- any chemical reaction that involves the MOVING of electrons
- a NUMBER that is assigned to an element in a chemical combination
Down
- the LOSS of electrons during a reaction by a molecule, atom or ion
- reaction in which the oxidation number of a molecule, atom, or ion changes by GAINING or LOSING an electron
- a chemical reaction that involves the GAINING of electrons by one of the atoms involved in the reaction between two chemicals
- a substance that has the ability to OXIDIZE other substances
8 Clues: any chemical reaction that involves the MOVING of electrons • a substance that has the ability to OXIDIZE other substances • reaction that occurs when there is NOT a TRANSFER of electrons • a NUMBER that is assigned to an element in a chemical combination • the LOSS of electrons during a reaction by a molecule, atom or ion • ...
SCIENCE!!!! 2020-12-15
8 Clues: EXPLODE! • To small to see • water vapor smoke • A substance you CAN separate • A substance you Can´t separate • a ( somtimes) poisonous liquid • something that has weak and strong • a liquid sometimes needed in a chemical reaction
Chemical reactions 2022-10-28
8 Clues: gas to liquid • solid to liquid • biological catalyst • easy reversible change • insoluble solid product • speeds up a chemical reaction • liquid to gas below boiling point • factor that can be changed or measured in a chemical reaction
Chemistry Crossword 2017-11-11
Across
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- substance that helps a chemical reaction to proceed more quickly
- the smallest part of an element that is representative of that element
- combination of symbols that represent a compound
- group 1 element in the periodic table, not including hydrogen, the most reactive of the metals
- a solution in which water is the solvent
- invisible negatively charged particle that orbits around the nucleus of the atom
- chemical reaction that takes place in cells
- anything that has mass and takes up space
- positively charged center of an atom; contains protons and neutrons
- description of a substance that can be pounded or rolled into sheets
- change in state from a solid to a gas
- positively charged particle in the nucleus of an atom
- change of state from a solid to a liquid
Down
- a table in which elements are organized by their physical and chemical properties
- pure substance formed when at least one metal and non-metal combine
- mass of one atom of an element calculated from the total number of protons, electrons and neutrons of that atom
- number of protons in the nucleus of one atom of an element
- group 2 elements of the periodic table, their reactivity is not as strong as the alkali metals
- pure substance that cannot be broken down into other substances
- description of how a substance interacts with another substance
- measure of atomic mass
- change that results when 2 or more substances react to create a new substance
- vertical column of elements in the periodic table
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
25 Clues: measure of atomic mass • change in state from a solid to a gas • a solution in which water is the solvent • change of state from a solid to a liquid • anything that has mass and takes up space • chemical reaction that takes place in cells • combination of symbols that represent a compound • vertical column of elements in the periodic table • ...
Chemistry crossword 2018-11-13
Across
- a chemical combination of two or more elements in a specific ratio
- change in the appearance or state of a substance that does not change the composition
- group 17 elements in the perodic table,the most reactive not metals
- gases group 18 elements in the periodic table,the most stable and interactive elements
- compound pure substance formed when non-metals combine
- substance that reacts with another substances in a chemical reaction to create new substances with different properties
- table a table in which the elements are organized by their physical and chemical properties
- something that has mass and occupies space
- metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
- combination of pure substances
- compound that dissolves in water to form a solution with a ph lower than 7
- shell orbit of electrons around the nucleus of an atom
Down
- number number of protons in the nucleus of one atom of an element
- cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
- compound pure substance formed when at least one metal and one non metal combine
- positively charged particle in the nucleus of an atom
- neutral particle in the nucleus of an atom
- reaction a reaction that takes place when to or more substances react to form a new substance
- chlorine
- group of atoms joined by covalent bonds
- homogenous mixture mixture of two or more pure substances that looks like one substance
- a pure substance that cannot be broken down into other substances,made up of only one type of atom
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • neutral particle in the nucleus of an atom • something that has mass and occupies space • positively charged particle in the nucleus of an atom • compound pure substance formed when non-metals combine • shell orbit of electrons around the nucleus of an atom • ...
The Law of Conservation of Mass 2022-11-15
Across
- Relating to or resulting from motion
- Chemical element with the symbol 'H'
- Frozen water
- Small portion of matter
- Discovered The Law of Conservation of Mass
- The form of energy that is transferred between systems or objects with different temperatures
- Body of matter
- A sudden, dramatic, and important discovery or development
- A chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances
Down
- A person who is studying or has expert knowledge of one or more of the natural or physical sciences
- Alter or modify
- Chemical element with the symbol 'N'
- The branch of science that deals with the properties, composition, and structure of elements and compounds
- A particle of matter that uniquely defines a chemical element
- Re-discovered The Law of Conservation of Mass
- Power derived from the utilization of physical or chemical resources
- Has mass and takes up space
- Chemical element with the symbol 'C'
18 Clues: Frozen water • Body of matter • Alter or modify • Small portion of matter • Has mass and takes up space • Relating to or resulting from motion • Chemical element with the symbol 'N' • Chemical element with the symbol 'H' • Chemical element with the symbol 'C' • Discovered The Law of Conservation of Mass • Re-discovered The Law of Conservation of Mass • ...
Capillary Separation Techniques 2022-02-12
Across
- device which loads samples
- chemical substance on which chemical analysis is done
- positive charge ion
- same number of electrons
- measures opposition to current flow
- techniques of selective separation and concentration of ion analyte
- strong affinity for water
Down
- movement of charged species under influence of electric field
- separating compounds of mixture
- electron tranfer occurs.
- substance added in system for chemical reaction to occur
- property of substance which repels water
- migration of charged particle to less charged area
- ability of moving from one position to another
- negatively charged ion
15 Clues: positive charge ion • negatively charged ion • electron tranfer occurs. • same number of electrons • strong affinity for water • device which loads samples • separating compounds of mixture • measures opposition to current flow • property of substance which repels water • ability of moving from one position to another • migration of charged particle to less charged area • ...
Revision Fage Test 1 2016-10-24
Across
- reaction
- chemical in the brain linked to sleep
- ein Verband wechseln
- a clean covering that protects a wound from infection
- stitches
- go down
- very tired or exhausted
Down
- easily harmed/anfällig
- think
- chemical produced in brain when exposed to sunlight
- go up
- a physical injury, something that can damage the Skin
- to get better or become whole again, return to a normal state
- earth/ schmutz
- suture
- notice /bemerken
- a serious infection which cuases jaw spasms
17 Clues: think • go up • suture • go down • reaction • stitches • earth/ schmutz • notice /bemerken • ein Verband wechseln • easily harmed/anfällig • very tired or exhausted • chemical in the brain linked to sleep • a serious infection which cuases jaw spasms • chemical produced in brain when exposed to sunlight • a physical injury, something that can damage the Skin • ...
Fun with Chemical reactions! 2025-05-09
Across
- Type of reaction which always gives a single product.[11]
- Lead iodide is a _______ colored precipitate.[6]
- Reaction involving evolution of heat is_____________[10]
- A shining metal which produce a dazzling white flame upon heating.[9]
- Gas released upon heating of calcium carbonate is _______[6,7]
- Substance which take part in a chemical reaction is _______[8]
- Heating of ferrous sulphate crystals is _________ reaction.[13]
Down
- A reddish-brown gas formed upon decomposition of lead nitrate.[8,7]
- A reaction in which an insoluble substance is formed.[13]
- Calcium oxide is also known as __________[5,4]
- Gain of oxygen is _________.[9]
- Type of reaction where addition and removal of oxygen takes place simultaneously.[5]
12 Clues: Gain of oxygen is _________.[9] • Calcium oxide is also known as __________[5,4] • Lead iodide is a _______ colored precipitate.[6] • Reaction involving evolution of heat is_____________[10] • Type of reaction which always gives a single product.[11] • A reaction in which an insoluble substance is formed.[13] • ...
Lilly Herr - Chapter 13 2021-03-04
Across
- energy is the amount of energy required to
- is a substance that lowers the activation energy of a chemical reaction.
- in an ____ reaction there is a net absorption of energy.
- no atoms are gained or lost during any reaction is the Law of Mass ________.
- acids _____ protons, bases accept them.
Down
- reaction rates are affected by (T).
- reaction rates are affected by (Co).
- two bonded atoms apart.
- when water behaves as a base, it gains.
- in an ____ reaction there is a net release of energy.
- is how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
11 Clues: two bonded atoms apart. • reaction rates are affected by (T). • reaction rates are affected by (Co). • when water behaves as a base, it gains. • acids _____ protons, bases accept them. • energy is the amount of energy required to • in an ____ reaction there is a net release of energy. • in an ____ reaction there is a net absorption of energy. • ...
Lilly Herr - Chapter 13 2021-03-04
Across
- energy is the amount of energy required to
- is a substance that lowers the activation energy of a chemical reaction.
- in an ____ reaction there is a net absorption of energy.
- no atoms are gained or lost during any reaction is the Law of Mass ________.
- acids _____ protons, bases accept them.
Down
- reaction rates are affected by (T).
- reaction rates are affected by (Co).
- two bonded atoms apart.
- when water behaves as a base, it gains.
- in an ____ reaction there is a net release of energy.
- is how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
11 Clues: two bonded atoms apart. • reaction rates are affected by (T). • reaction rates are affected by (Co). • when water behaves as a base, it gains. • acids _____ protons, bases accept them. • energy is the amount of energy required to • in an ____ reaction there is a net release of energy. • in an ____ reaction there is a net absorption of energy. • ...
Laila Felzer: Chapter 13 2021-12-01
Across
- breakdown, more plus signs of product size
- increasing, , favors the reaction tjat absorbs energy
- the plus sign beome less
- reaction when there is a net absorbtion of energy
- displacement, count how many atoms change "teams"
Down
- principle if changed, the equilibrium shifts to oppose change, until new equilibrium is reached
- increasing, , favors the reaction that produces less gas
- Bond energy is also known as
- a substance that lowers the activation energy of a chemical reaction
- reaction when there is a net release of energy
- when reaction and it's reverse act at the same rate
11 Clues: the plus sign beome less • Bond energy is also known as • breakdown, more plus signs of product size • reaction when there is a net release of energy • reaction when there is a net absorbtion of energy • displacement, count how many atoms change "teams" • when reaction and it's reverse act at the same rate • increasing, , favors the reaction tjat absorbs energy • ...
Couple goals (Mishka + Nami ❤) 2022-05-09
Across
- What is defined by the number of electrons on the outer shell of an element?
- Most reactive element in Group 1
- What reaction is this an example of? Na2SO4 + SrCl2 ----> 2NaCl + SrSO4
- A thermite reaction is an exothermic reaction between ferrous oxides and _______.
- A chemical reaction that absorbs heat from its surroundings
- Zinc chloride + Magnesium = _____ chloride + Zinc
- The reaction between an acid and alkali
Down
- What gas is produced in a reaction between a carbonate and an acid?
- Group 1 is called?
- The reactivity of each element in Group 7 (Halogens) as you go down _________.
- Calcium hydroxide is also known as?
11 Clues: Group 1 is called? • Most reactive element in Group 1 • Calcium hydroxide is also known as? • The reaction between an acid and alkali • Zinc chloride + Magnesium = _____ chloride + Zinc • A chemical reaction that absorbs heat from its surroundings • What gas is produced in a reaction between a carbonate and an acid? • ...
Semester Review 2025-01-13
Across
- a reaction where energy goes in, and the products often end cold
- the scientist that created a Nitrogen fixation process, often used for fertilizer
- stored energy depending on the position of the object
- an ion with a positive charge
- the phase change when a gas changes directly to a solid
- the splitting of atomic nuclei that releases mass amounts of energy
- element 8
- anything that has mass and takes up space
- the equation that is represented by mass divided by volume
- two hydrogen atoms coming together from mass temperature and pressure, forming a He atom
- A scientist that created the principle of equilibrium, and also blew up his lab partner
Down
- the energy required for a reaction to occur
- a system where neither energy nor matter can escape
- the ability to do work or transfer heat
- a substance that repels water
- the energy of movement
- the chemical change that happens when iron interacts with water
- an example of an endothermic reaction that happens in plants
- a reaction where energy comes out of the reaction
- the total heat content of a system
- your favorite subject
21 Clues: element 8 • your favorite subject • the energy of movement • a substance that repels water • an ion with a positive charge • the total heat content of a system • the ability to do work or transfer heat • anything that has mass and takes up space • the energy required for a reaction to occur • a reaction where energy comes out of the reaction • ...
chemistry stuff 2022-05-02
Across
- what happens when you mix 2 chemicals together?
- chemicals that kill plants/animals
- used to remove sulfur and other pollutants formed during combustion
- Workplace Hazardous Materials Information System
- man-made things
- Mixture of plastics
- chemical reactions that absorb heat
- When an acid and base balance each other out
- Gases fucking up our climate
- chemical reactions that release heat
Down
- acidic material
- a process that chemically breaks down metals
- a chemical reaction that involves oxygen and results in fire
- temperature change in our climate
- chemicals that kill specific plants
- mixture of metals
16 Clues: acidic material • man-made things • mixture of metals • Mixture of plastics • Gases fucking up our climate • temperature change in our climate • chemicals that kill plants/animals • chemicals that kill specific plants • chemical reactions that absorb heat • chemical reactions that release heat • a process that chemically breaks down metals • ...
Chemistry Crossword 2025-05-25
Across
- A type of bond formed when electrons are transferred from one atom to another
- A small number written to the right and below an element symbol indicating atom count
- A number placed in front of a formula to balance a chemical equation
- Describes a chemical equation where atoms are equal on both sides
Down
- What an arrow in a chemical equation represents
- A starting substance in a chemical change
- A substance formed as a result of a chemical reaction
- A type of bond formed when atoms share electrons
- A process in which substances are transformed into new substances
9 Clues: A starting substance in a chemical change • What an arrow in a chemical equation represents • A type of bond formed when atoms share electrons • A substance formed as a result of a chemical reaction • A process in which substances are transformed into new substances • Describes a chemical equation where atoms are equal on both sides • ...
Lilly Herr - Chapter 13 2021-03-04
Across
- energy is the amount of energy required to
- is a substance that lowers the activation energy of a chemical reaction.
- in an ____ reaction there is a net absorption of energy.
- no atoms are gained or lost during any reaction is the Law of Mass ________.
- acids _____ protons, bases accept them.
Down
- reaction rates are affected by (T).
- reaction rates are affected by (Co).
- two bonded atoms apart.
- when water behaves as a base, it gains.
- in an ____ reaction there is a net release of energy.
- is how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
11 Clues: two bonded atoms apart. • reaction rates are affected by (T). • reaction rates are affected by (Co). • when water behaves as a base, it gains. • acids _____ protons, bases accept them. • energy is the amount of energy required to • in an ____ reaction there is a net release of energy. • in an ____ reaction there is a net absorption of energy. • ...
crossword 2024-08-14
Across
- the study of the properties of matter
- can carry electricity
- high kinetic energy
- very high kinetic energy
- releases something
- depends on amount of matter
- very low kinetic energy
Down
- formed during a chemical reaction
- begin a chemical reactant
- depends on type of matter
- measurement of amount of space occupied
- occupies space
- absorbs something
- low kinetic energy
- the unit used to measure the amount of matter
15 Clues: occupies space • absorbs something • releases something • low kinetic energy • high kinetic energy • can carry electricity • very low kinetic energy • very high kinetic energy • begin a chemical reactant • depends on type of matter • depends on amount of matter • formed during a chemical reaction • the study of the properties of matter • measurement of amount of space occupied • ...
Module 2 2021-09-06
Across
- The process by which cells become progressively more specialized
- All chemical and physical changes sustaining an organism
- Detects change in variable
- Directly causes change in variable
- (feedback) Strengthen a change in body's condition
- something that causes a change or a reaction
- (feedback) Negates the original stimulus
Down
- A state of equilibrium, as in an organism or cell, maintained by self-regulating processes.
- Ability to respond to environmental changes
- Increase in cell size
- Changes in form and size
- Chemical used for energy and cell building
- Most abundant chemical in human body
- Generation of new individuals
- required for chemical reactions
15 Clues: Increase in cell size • Changes in form and size • Detects change in variable • Generation of new individuals • required for chemical reactions • Directly causes change in variable • Most abundant chemical in human body • (feedback) Negates the original stimulus • Chemical used for energy and cell building • Ability to respond to environmental changes • ...
photosynthesis 2022-11-01
Across
- a temporary way of creating energy without oxygen
- A way for plants to make their own food
- organelle necessary for respiration
- glucose, oxygen
- the chemical formula for glucose
- a mathmatic formula to show the chemical makeup of different substances
Down
- the things that will be used for a chemical reaction
- most common cell used for fermentation
- only type of cell that can preform photosynthesis
- bear, owl, fly
- An organelle found in plants that caries out photosynthesis
- cactus, tree, grass
- ingredient not used in photosynthesis : water, sunlight, soil, carbon dioxide
- A product of lactic fermentation
- Chemical formula for water
15 Clues: bear, owl, fly • glucose, oxygen • cactus, tree, grass • Chemical formula for water • A product of lactic fermentation • the chemical formula for glucose • organelle necessary for respiration • most common cell used for fermentation • A way for plants to make their own food • a temporary way of creating energy without oxygen • only type of cell that can preform photosynthesis • ...
You didn't tell us we needed to do this!!! 2022-11-03
Across
- the result of a chemical reaction
- a group of organs working together
- the processes cell organelles/organsystems do to stay alive
- when the cell doubles its chromosomes
- the process that plants use to make food
- the building blocks of life
- several different types of tissues and several of each making a _____
- transfer of particles other than water through a cell membrane
- removal of wastes
- the ingredients to a chemical reaction
- one cell organism
- when the chromosomes are pulled apart
Down
- when the cell splits into 2 new daughter cells
- when the 2 cell membranes reform
- groups of a single type of cell working together
- when the cell membrane disintegrates
- GOLE growth, repair
- when the chromosomes line up the middle of the cell
- taking in food particles
- transfer of water through a cell membrane
- two or more cell organisms
- a whole being that can carry out all life processes
- making glucose into ATP
- breaking down food into energy
24 Clues: removal of wastes • one cell organism • GOLE growth, repair • making glucose into ATP • taking in food particles • two or more cell organisms • the building blocks of life • breaking down food into energy • when the 2 cell membranes reform • the result of a chemical reaction • a group of organs working together • when the cell membrane disintegrates • ...
Nervous System Vocabulary 2016-01-13
Across
- basic functioning unit of the nervous system
- controls memory, language, and thought
- space between neurons
- contains sensory and motor neurons
- controls muscle movement and regulates balance
- system that causes an increase of hormone release
- part of the organism that gathers, processes and responds to information in the environment
- a chemical carried in the blood stream from a gland to another area of the body
- area of the eye that focuses light
- consists of organs and tissues that release chemical messages
- structures that detect stimuli
- controls involuntary functions
Down
- part of the nervous system that detects the environment
- made up of the brain and spinal cord
- system that inhibits further release of hormones
- receptor that helps in dim light
- something in the environment that causes a reaction
- a reaction to a stimulus
- structure of neurons protected by vertebra
- receptor that helps determine color differences
- automatic response to a stimuli
- tympanic membrane
22 Clues: tympanic membrane • space between neurons • a reaction to a stimulus • structures that detect stimuli • controls involuntary functions • automatic response to a stimuli • receptor that helps in dim light • contains sensory and motor neurons • area of the eye that focuses light • made up of the brain and spinal cord • controls memory, language, and thought • ...
Chemistry Vocabulary 2018-02-07
Across
- an arrangement of elements into rows and columbs
- the space occupied by a sample of matter
- a starting substance in a chemical reaction
- A substance that can not be changed into something simpler
- a negatively charged subatomic particle
- negative and a negative or positive and a positive charge
- A mixture that is completely uniform in its composition
- a homogeneous mixture
- the smallest particle of an element
- The ratio of the mass of an object to it volume
- figures all the digits that can be known precisely in a measurement
Down
- a mixture that is not uniform in composition
- a chemical equation in which mass is converted
- matter that has a definite shape and volume
- positive and negative charges
- anything that takes up space and has mass
- A reaction that has to do with fire
- a pair of valence electrons that is not involved in bonding
- atoms of the same element that have the same atomic number
- the amount of matter in an object
20 Clues: a homogeneous mixture • positive and negative charges • the amount of matter in an object • A reaction that has to do with fire • the smallest particle of an element • a negatively charged subatomic particle • the space occupied by a sample of matter • anything that takes up space and has mass • matter that has a definite shape and volume • ...
Field Trip Days Crossword 2025-04-25
Across
- things that go into a chemical reaction
- tube that connects your mouth to stomach
- moves your bones around
- organelle used for storage
- life comes from _____________
- connects the inside of a building to the outside
- your science teacher
- makes ATP
- pumps your blood
- you wear these on your feet
- largest human organ
- organelle that controls what comes in and out
- organelle that makes proteins
- Mr. Soffer's favorite candy
- most important human organ
- Mr. Soffer's least favorite candy
- type of microscope that we have in our classroom
Down
- married to jay z
- Mr. Soffer's second favorite person
- another name for the large intestine
- carb that gives your body energy that is made by plants
- things that come out of a chemical reaction
- your body part that you have the most control over
- nutrient used primarily for growth and repair
- makes glucose
- organ that detoxes blood and creates bile
- Mr. Soffer's favorite person
- type of life form that does the most photosynthesis
- a living thing
29 Clues: makes ATP • makes glucose • a living thing • married to jay z • pumps your blood • largest human organ • your science teacher • moves your bones around • organelle used for storage • most important human organ • you wear these on your feet • Mr. Soffer's favorite candy • Mr. Soffer's favorite person • life comes from _____________ • organelle that makes proteins • ...
Claire Simon Unit 2 2025-03-24
Across
- A combination of atoms
- A combination of tissue
- Special proteins that lower the initial amount of activation energy
- A combination of molecules
- A method of moving molecules across the membrane without using energy
- Water fearing
- The reactants that bind to the enzyme
- Molecules naturally move apart
- A combination of all organ systems
- The place on an enzyme that a substrate binds to
- The active site of an enzyme changes shape and can't bind to a substrate anymore
Down
- The amount of energy needed to start a chemical reaction
- The diffusion of water across a membrane
- Only allows certain molecules in or out of the cell
- Cells use energy to move molecules across the membrane though a transport protein
- A molecule that contains 2 hydrophobic tails and 1 hydrophilic head (makes up the cell membrane)
- A combination of organelles
- Water loving
- A combination of organs
- The result of a chemical reaction
- A combination of cells
- The basic units of matter
22 Clues: Water loving • Water fearing • A combination of atoms • A combination of cells • A combination of tissue • A combination of organs • The basic units of matter • A combination of molecules • A combination of organelles • Molecules naturally move apart • The result of a chemical reaction • A combination of all organ systems • The reactants that bind to the enzyme • ...
Unit 2 2024-10-02
Across
- Oxygen is present
- Transport Chain, third step of aerobic respiration
- nutrient used in phosphates of nucleic acids
- forms the backbone for all macromolecules
- all gases surrounding earth
- Anything that has mass and takes up space
- has to eat other organisms
- nutrient used in proteins
- makes their own food
- First step of aerobic respiration and takes place in the cytoplasm
- Respiration, Process of breaking down glucose to make ATP
- all water on earth
- all soil and rocks on earth
- reactions, first step of photosynthesis
- Oxygen is not present
Down
- all living things on earth
- organisms that are recyclers
- Adenosine Diphosphate
- site of photosynthesis
- reactions, second step of photosynthesis
- Adenosine Triphosphate
- Substances created during a chemical reaction
- site of steps 2 and 3 of aerobic cellular respiration
- Cycle, second step of aerobic respiration
- Substances at the beginning of a chemical reaction
- pigment used to trap light energy
- Process of using light energy to make glucose
27 Clues: Oxygen is present • all water on earth • makes their own food • Adenosine Diphosphate • Oxygen is not present • site of photosynthesis • Adenosine Triphosphate • nutrient used in proteins • all living things on earth • has to eat other organisms • all gases surrounding earth • all soil and rocks on earth • organisms that are recyclers • pigment used to trap light energy • ...
unit 2 vocab 2025-10-03
Across
- charged energy storage molecule
- uncharged energy storage molecule
- organism that eats others for energy
- situation where oxygen is present
- all living things on earth
- site of steps 2+3 of cellular respiration
- 1st step of aerobic respiration
- anything that has mass and takes up space
- Nutrient: forms backbone for all macromolecules in living things
- organism that makes its own food
- used in proteins and nucleic acids
- all soil+ rocks on earth
- pigment in chloroplasts
- 3rd step of aerobic cellular respiration
Down
- all gases surrounding earth
- substances created from chemical reaction
- organism that breaks down biotic compounds
- site of photosynthesis
- substances beginning a chemical reaction
- cycle 2nd step of aerobic respiration
- all water on earth
- process of using light energy to make glucos
- reactions first step of photosynthesis
- 2nd step of anaerobic respiration
- situation where oxygen is not present
- second step of photosynthesis
- used in phosphates+ phospholipids
- respiration process of breaking down glucose to make ATP
28 Clues: all water on earth • site of photosynthesis • pigment in chloroplasts • all soil+ rocks on earth • all living things on earth • all gases surrounding earth • second step of photosynthesis • charged energy storage molecule • 1st step of aerobic respiration • organism that makes its own food • uncharged energy storage molecule • situation where oxygen is present • ...
Unit B Matter and Chemical Change Review 2021-11-15
Across
- made of more than one type of pure substance
- a __ change results in a new substance being formed
- made of one type of atom
- an atom with a charge
- also known as rusting, happens when a metal reacts with oxygen
- change from liquid to gas
- compounds that contain a metal and a non-metal
- negative subatomic particle
- neutral subatomic particle
- solid, liquid or gas
- compounds that contain non-metals and no metals
- contains more than one different type of atom
- a change in the state of matter is known as a _ change
- have properties of both metals and non-metals
Down
- a reaction that releases heat
- change from gas to a liquid
- positive subatomic particle
- a reaction that absorbs heat
- burning reaction which requires oxygen and produces carbon dioxide
- change from solid to gas
- increases rate of reaction without being involved in the reaction
- a table that organizes all of the elements
- mixture whereby the different parts cannot be seen, appears pure
- the smallest part of an element
- contains more than one atom, may be an element or a compound
25 Clues: solid, liquid or gas • an atom with a charge • made of one type of atom • change from solid to gas • change from liquid to gas • neutral subatomic particle • change from gas to a liquid • positive subatomic particle • negative subatomic particle • a reaction that absorbs heat • a reaction that releases heat • the smallest part of an element • ...
Allergy 2025-09-02
Across
- Uncomfortable skin reaction due to allergy.
- Microscopic particles from fungi that can act as allergens.
- Allergy occurring in spring, summer or winter.
- Antibiotic drug that can trigger allergic reaction.
- Digestive problem that may occur in food allergy.
- Test method where allergens are pricked into skin to test reaction.
- Food item that may cause severe food allergy.
- Protein-rich liquid food that can cause common allergy in children.
- Whistling sound while breathing, common in asthma.
- Symptom of insect bite allergy.
- Substance that causes an allergic reaction.
Down
- Chemical released during allergy causing inflammation.
- Protein made by the immune system during allergy.
- Common food allergen such as fish and shellfish.
- Powder from flowers that can trigger allergy.
- TEST Test to detect allergy-specific antibodies in blood.
- Allergy that persists throughout the year.
- FEVER Allergy caused by pollen, leading to sneezing and runny nose.
- Respiratory allergy that causes narrowing of airways.
- Severe sudden allergic reaction causing breathing difficulty.
- Fine particles that can act as allergens.
- Common symptom of pollen allergy.
- Swollen red itchy bumps on the skin due to allergy.
- Hypersensitivity to harmless substances like dust or pollen.
24 Clues: Symptom of insect bite allergy. • Common symptom of pollen allergy. • Fine particles that can act as allergens. • Allergy that persists throughout the year. • Uncomfortable skin reaction due to allergy. • Substance that causes an allergic reaction. • Powder from flowers that can trigger allergy. • Food item that may cause severe food allergy. • ...
