chemical reaction Crossword Puzzles
Chapter 16 Crossword 2015-01-08
Across
- substances to the left of the arrow
- when an insoluble substance crystallizes out of a solution it is called a ______
- when two or more elements or compounds unite to form one compound
- one element displaces another from a compound
- when an inhibitor is added to a food it is called _______
- the sum of the average atomic masses of the atoms in a molecule
- if thermal energy must be added during a reaction it is called ______
- a substance that may tie up reactants or catalysts thus slowing down a reaction
- the sum of the masses of the atoms or ions present in the formula of a compound
Down
- reaction the breakdown of one substance into two or more other substances
- shows changes that take place during a chemical reaction
- when the positive part of one compound unites with the negative part of another compound
- if thermal energy is released the reaction is called ______
- numbers used in front of the symbols in formulas
- something that speeds up a reaction without being permanently changed itself
- substances to the right of the arrow
16 Clues: substances to the left of the arrow • substances to the right of the arrow • one element displaces another from a compound • numbers used in front of the symbols in formulas • shows changes that take place during a chemical reaction • when an inhibitor is added to a food it is called _______ • if thermal energy is released the reaction is called ______ • ...
GET IT DONE! 2021-12-15
Across
- The type of reaction where two or more substances form a single product
- Substances that undergo a chemical change in a reaction
- The time rate of change of an object's velocity
- A chemical reaction that absorbs energy from its surroundings
Down
- Also known as Avogadro's number
- The distance an object travels plus the direction from the starting point
- Anything that has mass and takes up space
- Calculated with the formula distance over time
- atoms of an element with the same number of protons but different numbers of neutrons
- The force of attraction between molecules of different substances do they stick together
- The type of bond that is formed between oppositely charged ions
11 Clues: Also known as Avogadro's number • Anything that has mass and takes up space • Calculated with the formula distance over time • The time rate of change of an object's velocity • Substances that undergo a chemical change in a reaction • A chemical reaction that absorbs energy from its surroundings • The type of bond that is formed between oppositely charged ions • ...
Chapter 14 Ayden Gleckler 2020-03-02
Across
- reaction that makes larger compounds
- when a reaction releases energy
- any liquid with a ph above 7
- when a reaction takes in energy
- is also known as bond energy
Down
- this equation shows what type of reaction AB + Oxygen = Oxides of A and B
- reaction that breaks compounds into smaller pieces
- if a chemical equation is ________ it is equal on both sides
- any liquid with a ph below 7
- if the ph is 7 it is
10 Clues: if the ph is 7 it is • any liquid with a ph above 7 • any liquid with a ph below 7 • is also known as bond energy • when a reaction releases energy • when a reaction takes in energy • reaction that makes larger compounds • reaction that breaks compounds into smaller pieces • if a chemical equation is ________ it is equal on both sides • ...
Redox Reaction Concept 2019-11-21
Across
- Oxidation is always occur at the _____
- S atom (no charge) gains 2 ____ reduced to S2-.
- The solutions in a_____ cell are called electrolyte.
- Reduction is always occur at the _____
- Oxidation is the ___ of electrons
- _____ reaction is a redox reaction between a compound and molecular oxygen (O2) to form oxygen-containing products
- The reducing ____ is the reactant that is being oxidized
- Anode is the ____ terminal.
Down
- Cathode is the ____ terminal.
- Elements which placed higher in the electrochemical series are more ____
- ____ reaction is type of chemical reaction that involves a transfer of electrons between two species
- ____ is always has +3 of oxidation number
- ____ is the gaining of hydrogen.
- Complete the cell circuit by connecting the solutions of two half cell, without allowing them to mix each other.
- Litium is one of _____ metal
- Reduction is the ___ of electrons.
16 Clues: Anode is the ____ terminal. • Litium is one of _____ metal • Cathode is the ____ terminal. • ____ is the gaining of hydrogen. • Oxidation is the ___ of electrons • Reduction is the ___ of electrons. • Oxidation is always occur at the _____ • Reduction is always occur at the _____ • ____ is always has +3 of oxidation number • S atom (no charge) gains 2 ____ reduced to S2-. • ...
Types of Chemical Reactions 2024-02-28
Across
- One reactant is broken down into two or more products
- replacement Chemical change in which 2 reactants become 2 new products (2 Words)
- Reaction where heat is released
- replacement Single element replaces an element in a binary compound (2 Words)
- Metal that releases a blue-white light when burned
- compounds compound that has two parts, a negative ion and a positive ion. I.e. a salt
- Reactants form one product
- This law states that atoms must be equal in reactants & products
Down
- Reaction where heat is absorbed
- Substances on the left side of the arrow
- Substances on the right side of the arrow
- You multiply the entire molecule by this number
- Gas molecule in reactant of combustion
- Another word for a synthesis reaction
- Substance used to start reaction
- Oxygen is a reactant; i.e. burning
16 Clues: Reactants form one product • Reaction where heat is absorbed • Reaction where heat is released • Substance used to start reaction • Oxygen is a reactant; i.e. burning • Another word for a synthesis reaction • Gas molecule in reactant of combustion • Substances on the left side of the arrow • Substances on the right side of the arrow • ...
Unit 1 - Matter 2023-09-19
Across
- A technique that is used to separate the components of a mixture based on the tendency of each component to travel or be drawn across the surface of another material.
- the process that separates a solid from the liquid in a heterogeneous mixture
- A combination of two or more substances that are not chemically combined
- A chemical substance that is present at the start of a chemical reaction
- property, A characteristic of a pure substance that can be observed without changing it into another substance
- mixture, a mixture that is uniform in composition; components are evenly distributed and not easily distinguished
- A process that separates the substances in a solution based on their boiling points
- change, A change in a substance that does not involve a change in the identity of the substance
- A pure substance made of only one kind of atom
- Anything that has mass and takes up space
Down
- mixture, A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
- A substance produced in a chemical reaction
- A single kind of matter that is pure and has a specific set of properties.
- A mixture that forms when one substance dissolves another.
- property, A characteristic of a pure substance that describes its ability to change into different substances
- reaction, the process by which one or more substances change to produce one or more different substances
- A substance made up of atoms of two or more different elements joined by chemical bonds
- change, A change that occurs when one or more substances change into entirely new substances with different properties.
18 Clues: Anything that has mass and takes up space • A substance produced in a chemical reaction • A pure substance made of only one kind of atom • A mixture that forms when one substance dissolves another. • A combination of two or more substances that are not chemically combined • A chemical substance that is present at the start of a chemical reaction • ...
Science 2020-11-27
Across
- Atomic number 15.
- Center of a cell.
- Stuff you breathe.
- A scientist.
- Part of the name of a diagram.
- _____ is everything around you.
- What you drink.
Down
- A liquid ____.
- Symbol P.
- ______ reaction.
- What you can physical touch.
- A pure chemical substance that contains one kind of atom only.
- The minor component in a solution.
- A tiny piece of anything.
14 Clues: Symbol P. • A scientist. • A liquid ____. • What you drink. • ______ reaction. • Atomic number 15. • Center of a cell. • Stuff you breathe. • A tiny piece of anything. • What you can physical touch. • Part of the name of a diagram. • _____ is everything around you. • The minor component in a solution. • A pure chemical substance that contains one kind of atom only.
Chemistry Crossword Puzzle 2022-02-18
Across
- A negatively charged particle that comprises the external part of the atom
- atom attractions that form substances
- The internal part of an atom. It is composed of neutrons and protons
- A substance in which the atoms of 2 or more elements are combined
- flexibility of a substance to be molded or shaped
- The substances produced at the end of the reaction
- Point The point in temperature when the solid starts to liquefy
- An uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
Down
- solution solution that uses water as the solvent
- Table a table of the chemical elements arranged in order of atomic number
- A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
- an atom or molecule that has gained or lost one or more electrons.
- A substance that is present at the start of a chemical reaction and is used or consumed during the reaction
- A set of at least two atoms, identical or not, chemically attached to each other
- A particle that makes up the nucleus of an atom and has a positive charge identical to that of the electron
15 Clues: atom attractions that form substances • solution solution that uses water as the solvent • flexibility of a substance to be molded or shaped • The substances produced at the end of the reaction • Point The point in temperature when the solid starts to liquefy • A substance in which the atoms of 2 or more elements are combined • ...
Chemistry 10th Grade 2025-02-13
Across
- A scale measuring the acidity or alkalinity of a solution, ranging from 0 (acidic) to 14 (basic).
- The smallest unit of matter that retains the properties of an element.
- A negatively charged subatomic particle that orbits the nucleus of an atom.
- A group of atoms bonded together, representing the smallest unit of a chemical compound.
- An atom or molecule with a net electric charge due to the loss or gain of electrons.
- A substance that accepts protons (H⁺ ions) or donates electrons in a chemical reaction.
- A process where substances (reactants) transform into new substances (products).
- A substance formed when two or more elements are chemically bonded together.
Down
- A positively charged subatomic particle found in the nucleus of an atom.
- Refers to the periodic table, which organizes elements by atomic number and properties.
- The amount of matter in an object, often measured in grams or kilograms.
- A pure substance consisting of only one type of atom, defined by its atomic number.
- A neutral subatomic particle found in the nucleus of an atom.
- A substance that donates protons (H⁺ ions) or accepts electrons in a chemical reaction.
- A force that holds atoms together in a molecule, such as ionic or covalent bonds.
15 Clues: A neutral subatomic particle found in the nucleus of an atom. • The smallest unit of matter that retains the properties of an element. • A positively charged subatomic particle found in the nucleus of an atom. • The amount of matter in an object, often measured in grams or kilograms. • A negatively charged subatomic particle that orbits the nucleus of an atom. • ...
william sechrist 2018-02-16
Across
- a chemical bond between two ions with opposite charge.
- a group algebraic structure consisting a set of elements.
- keeping or showing a balance; arranged in good proportions.
- consists one atom.
- a small positive nucleus surrounded by orbiting electrons.
- existing or taking place between molecules.
- a part or aspect of something abstract.
- can be pressed out of shape without breaking or cracking.
- an atom or molecule with a net electric charge.
- a specified material conducts electricity.
- a group of atoms bonded together.
- a chemical element with symbol H
- measured by the number of hydrogen atoms.
- the property of a solid, liquid, or gaseous substance.
- characteristic of substance that's observed on reaction.
- a way of using the formulas to indicate the chemicals.
- a matter that has constant composition and characteristics.
- it is a positive ion.
- statement that the values of two mathematical expressions.
Down
- a can be positive or negative
- it's composed of two or more separate elements; a mixture.
- able to be drawn out into a thin wire.
- it consists of many atoms.
- relating to the body as opposed to the mind.
- chemical bonds formed by the electrons between atoms.
- existing or taking place within a molecule.
- the state or power of being reactive
- known as diagrams as a dot structures.
- a pair of equal and oppositely charged or magnetized poles.
- a negatively charged ion.
- stable subatomic particle with a charge negative electricity.
- relating to or resembling metal or metals.
- process that leads to transformation of one set of chemical.
- of or containing water, typically as a solvent or medium.
- Valence shell electron pair repulsion.
35 Clues: consists one atom. • it is a positive ion. • a negatively charged ion. • it consists of many atoms. • a can be positive or negative • a chemical element with symbol H • a group of atoms bonded together. • the state or power of being reactive • able to be drawn out into a thin wire. • known as diagrams as a dot structures. • Valence shell electron pair repulsion. • ...
Chemistry Vocab 2022-01-31
Across
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
- a thing that is composed of two or more separate elements; a mixture
- the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
- a minute portion of matter
- a physical or chemical property that is unique to a particular substance
- of, involving, or comprising a foundation; basic
- the nature of something's ingredients or constituents; the way in which a whole or mixture is made up
- the basic unit of a chemical element
Down
- relating to the nucleus of an atom
- a particle kind of matter with uniform
- the reactions a system produces in response to a particular circumstance
- a characteristic of a particular substance that can be observed in a chemical reaction
- marked by lack of variation, diversity, change in form, degree or character in all occurrences or manifestations
- consisting of uncombined atoms rather than molecules
- a group of atom bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- a pure substance consisting only of atoms that all have the same number of protons in their nuclei
- the idea that every substance has at least one property that makes it unique and able to be differentiated from other substances
- a substance made by mixing other substances together
20 Clues: a minute portion of matter • relating to the nucleus of an atom • the basic unit of a chemical element • a particle kind of matter with uniform • of, involving, or comprising a foundation; basic • consisting of uncombined atoms rather than molecules • a substance made by mixing other substances together • ...
POM Chapter 4-6 Vocab 2020-02-27
Across
- the amount of space occupied by a sample of matter
- the air surrounding the planet
- outtermost solid shell of the planet
- device used to pump air in and out
- the SI unit for measuring temperature
- the measure of how hot an object is
- the increase in volume of matter with increasing temperature
- to adust to the standard scale of reading
- energy transferring from one substance to another resulting in a temperature change
- a device used to get consistent measurements
- made of 2 or more types of metal
- series of giant rigid crusts that fit togerher like a moving spherical jigsaw puzzle
- numeric scale to express magnitude of earthquakes based on readings from seismograph
- movement of gas, plastic solids, or liquid caused by variation in density that results from uneven heating
- the mass of a substance that fills one unit of volume and is measured in grams per cm cubed.
- substances used to create a chemical reaction
Down
- discontinuation of a rock formation due to rock mass movement
- scientific tool used to measure temperature
- temperature scale used in the United States
- a chemical element that is a greenish yellow gas
- measure of the amount of matter of an object
- a chemical reaction in which a compound is decomposed by heating
- substances formed by chemical reactions
- the process of changing one substance to another
- solids, liquids, and gases represent the three_ of matter
- the decrease in volume of matter with decreasing temperature
- chemical element with the symbol O and atomic number of 8
- ability to do work
28 Clues: ability to do work • the air surrounding the planet • made of 2 or more types of metal • device used to pump air in and out • the measure of how hot an object is • outtermost solid shell of the planet • the SI unit for measuring temperature • substances formed by chemical reactions • to adust to the standard scale of reading • scientific tool used to measure temperature • ...
Thermal Energy 2022-03-07
Across
- Energy of movement
- The transfer of thermal energy
- The molecular level of a substance
- Substance that is made as a result of a chemical reaction
- Particles vibrate in place and are tightly packed
- The average kinetic energy of the particles in an object
- A substance that slows down or hinders the transfer of heat
Down
- A reaction where heat is released into the surroundings
- A reaction where heat is absorbed from the surroundings
- Substances that are the starting material of a reaction
- A substance that allows heat to transfer easily
- Particles move sliding past one another and change positions
- Particles are fast moving and spaced out
13 Clues: Energy of movement • The transfer of thermal energy • The molecular level of a substance • Particles are fast moving and spaced out • A substance that allows heat to transfer easily • Particles vibrate in place and are tightly packed • A reaction where heat is released into the surroundings • A reaction where heat is absorbed from the surroundings • ...
Biology Crossword Project 2021-01-22
Across
- Any non-living component/factor
- The act of breathing
- Life-sustaining chemical reactions in organisms
- A group of tissues in a living organism that have adapted to do a specific function
- A stable state of balance
- Contains Chlorophyll, where photosynthesis takes place
- Membrane-bound unit that contains the fundamental molecules of life
- The substance on which an enzyme acts
- Converting light energy into chemical energy
- A substance produced by an organism to start a biochemical reaction
- Large biomolecules with one or more chains of amino acid
- An enzyme that is essential for breaking down lactose
Down
- The act in which offspring is produced by 2 biological parents
- All the bones and joints in your body
- A bacteria or virus that can cause disease
- Special organs and cells that fight infections
- Spontaneous movement of solvent molecules
- Movement of a substance from a place of high to low concentration
- Any living component/factor
- The network of organs and tissues that help you breathe
- Network of tissues that rid the body of toxins
- A substance that increases the rate of a chemical reaction
- State of all bodily systems being maintained and balanced
- The powerhouse of the cell
- The process of burning something
25 Clues: The act of breathing • A stable state of balance • The powerhouse of the cell • Any living component/factor • Any non-living component/factor • The process of burning something • All the bones and joints in your body • The substance on which an enzyme acts • Spontaneous movement of solvent molecules • A bacteria or virus that can cause disease • ...
Biosphere crossword 2017-11-17
Across
- different populations that live together
- A Oxe peckerbird and a rhino have what relationship
- Eat meat
- The first to colonize a land to fertilize the soil(Lichen)
- Ticks on mammals
- the chemicals that consist in a chemical reaction
- Movement of things out of a populated area
- Clown fish in a sea anemone
- Use sunlight to make foods from carbon dioxide and water
- Are not producers and get our own food.
- Processes of respiration and energy production occur in the cell
- Preying of one animal on others
- A vulture is a type of what
- Change or disturbance in an ecosystem
Down
- The deer ---------- is oversized
- Eats plants and animals
- The total capacity that an area can hold
- an area with non-living and living organisms
- Breathing chemical process that is in both plants and animals
- Eats only producers or plants
- Produces their own food.
- Some bugs can camouflage to hide from predators this is called.
- Interaction between two different organisms
- A resource factor that ca limit population growth
- a place with interactions of abiotic and biotic things
- Color pigments important to photosynthesis
- Movement of things into a populated area
- a group of living organisms that can reproduce
- the result of a chemical reaction
29 Clues: Eat meat • Ticks on mammals • Eats plants and animals • Produces their own food. • Clown fish in a sea anemone • A vulture is a type of what • Eats only producers or plants • Preying of one animal on others • The deer ---------- is oversized • the result of a chemical reaction • Change or disturbance in an ecosystem • Are not producers and get our own food. • ...
Biosphere crossword 2017-11-16
Across
- Interaction between two different organisms
- different populations that live together
- Some bugs can camouflage to hide from predators this is called.
- a place with interactions of abiotic and biotic things
- Processes of respiration and energy production occur in the cell
- The total capacity that an area can hold
- Color pigments important to photosynthesis
- Produces their own food.
- Breathing chemical process that is in both plants and animals
- Change or disturbance in an ecosystem
- the chemicals that consist in a chemical reaction
- Eats only producers or plants
- the result of a chemical reaction
- Preying of one animal on others
Down
- a group of living organisms that can reproduce
- Eats plants and animals
- Movement of things out of a populated area
- Movement of things into a populated area
- Clown fish in a sea anemone
- A vulture is a type of what
- The deer ---------- is oversized
- The first to colonize a land to fertilize the soil(Lichen)
- Ticks on mammals
- Use sunlight to make foods from carbon dioxide and water
- A resource factor that ca limit population growth
- Are not producers and get our own food.
- A Oxe peckerbird and a rhino have what relationship
- an area with non-living and living organisms
- Eat meat
29 Clues: Eat meat • Ticks on mammals • Eats plants and animals • Produces their own food. • Clown fish in a sea anemone • A vulture is a type of what • Eats only producers or plants • Preying of one animal on others • The deer ---------- is oversized • the result of a chemical reaction • Change or disturbance in an ecosystem • Are not producers and get our own food. • ...
Unit 5-Properties/Changes in Matter 2018-05-16
Across
- Gas- group 18 on the periodic table
- of Conservation of Mass/Matter- mass is neither created or destroyed
- Reactions- changes that result in new substances
- horizontal row on the periodic table
- Change- a change that does not change the identity
- substance that enters a chemical reaction
- of a chemical reaction
- anything that occupies space
- vertical column on the periodic table
- Table- A chart of elements relating elements
- A pure substance
- Mixture- A mixture that is unevenly distributed
- Two or more atoms bonded together
- an element with properties shininess,ductility,etc
- Point- Change from solid to liquid
- substances that are combined but not chemically
Down
- define shape and volume
- Point- change from liquid to gas
- Two or more elements chemically combinded
- material that can be pulled into a wire
- Equations- a equation where the reactants and products are equal
- element that lacks properties of metal
- Mendeleev- created the first version of the periodic table
- material that can be pounded into shapes
- with properties of metal and nonmetal
- no define shape but define volume
- Electrons-order to form a shared pair
- the ability to transfer heat to another object
- Mixture- A mixture that is evenly distributed
- no define shape or volume
30 Clues: A pure substance • of a chemical reaction • define shape and volume • no define shape or volume • anything that occupies space • Point- change from liquid to gas • no define shape but define volume • Two or more atoms bonded together • Point- Change from solid to liquid • Gas- group 18 on the periodic table • horizontal row on the periodic table • ...
science terms :D 2012-12-04
Across
- this is a theory
- rays a form of energy that you cannot see or feel
- inquiring of something you don't know
- putting together
- of conservation of mass the fact that matter can neither be created nor destroyed by any chemical reaction
- the prediction of what will happen
- elements elements whose nuclei naturally break down into other nuclei, giving off particles and energy
- Graduated cylinders & beakers are used to measure
- The base unit for Mass
- a chemical change in which oxygen reacts with other substances
- this makes up molecules
- the stuff that makes up matter
- The base unit for length
- is formed in the earth from radium, which is also radioactive
- Meter sticks or metric rulers are used to measure
Down
- a gas that occurs naturally
- split apart
- a plentiful fossil fuel
- A thermometer is used to measure
- the stuff that makes up everything
- synthetic fuel
- the study of rocks
- can slowly destroy objects made of iron or steel
- is made of molecules
- fusion a change in which small nuclei join to form a larger nucleus
- how tightly packed the molecule are
- reaction one or more substances change to form new substances
27 Clues: split apart • synthetic fuel • this is a theory • putting together • the study of rocks • is made of molecules • The base unit for Mass • a plentiful fossil fuel • this makes up molecules • The base unit for length • a gas that occurs naturally • the stuff that makes up matter • A thermometer is used to measure • the stuff that makes up everything • the prediction of what will happen • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
Biology Basics Review 2022-11-30
Across
- A description of something you can see, smell, touch, taste, hear
- A change in an organisms environment
- A guess about an object or outcome based on your observations
- substances that are created during a chemical reaction
- A macromolecule group that has many functions and runs our bodies
- Living things start as a single cell and change into a full grown organism, this means that they __
- All living things are made of these small units
- An observation that uses word descriptions to talk about qualities
- Living things are based on a universal __ code
Down
- Change over time
- An observation type that relies on measurements in the form of numbers
- A macromolecule group that stores hereditary information
- The macromolecule group that makes up a large portion of cell membranes
- A combination of chemical reactions in which an organism builds up or breaks down materials
- How an organism reacts to a change in its environment
- The macromolecule group our bodies break down for energy first
- Substances that go into a chemical reaction and get changed
- Living things maintain a stable, internal environment through a process called:
- Living things are capable of creating offspring, this process is called:
- The study of life
20 Clues: Change over time • The study of life • A change in an organisms environment • Living things are based on a universal __ code • All living things are made of these small units • How an organism reacts to a change in its environment • substances that are created during a chemical reaction • A macromolecule group that stores hereditary information • ...
Biochemistry 2022-12-01
Across
- Measures whether a substance is acidic or basic.
- Building block of protein.
- Process that involves combining simple substances into more complex substances.
- Lipids that is liquid at room temperature.
- Organic compounds that build and repair cells.
- Protein catalyst that speeds up or slows down the rate of chemical reactions.
- Substance that speeds up or slows down a chemical reaction without being changed or used up during the reaction.
- Molecules that DO NOT contain carbon and hydrogen.
- chemical process that occurs in living things.
- Change in the environment that causes an organism to react.
Down
- Molecules that contain BOTH carbon and hydrogen.
- The ability of an organism to maintain a stable internal environment if the external environment changes.
- Process that breaks down complex substances into simple substances.
- Lipid that is solid at room temperature.
- Nucleic acid that contains the genetic information about that organism.
- Energy rich substances that are found in foods such as vegetables,cereal grains and bread.
- Sugar that is a major source of energy for cells.
- Organic compounds that include fats,oils and waxes.
- Organic molecules that contain the instructions cells need to carry out their life process.
- Nucleic acid that reads the genetic information carried by the DNA and guides in the protein making process.
20 Clues: Building block of protein. • Lipid that is solid at room temperature. • Lipids that is liquid at room temperature. • Organic compounds that build and repair cells. • chemical process that occurs in living things. • Molecules that contain BOTH carbon and hydrogen. • Measures whether a substance is acidic or basic. • Sugar that is a major source of energy for cells. • ...
biochemistry 2013-09-09
Across
- substance that, in aqueous solution, is slippery to the touch
- the cleavage of chemical bonds by the addition of water
- pure chemical substance consisting of two or more different chemical elements
- chemistry subdiscipline involving the scientific study of the structure
- biologically important organic compounds made from amine and carboxylic acid functional groups
- organic molecules that form the basic building blocks of nucleic acids
- simplest form of sugar
- membrane-enclosed organelle
- organic compound comprising only carbon, hydrogen, and oxygen
- class of lipids that are a major component of all cell membranes
- fat or fatty acid in which there is at least one double bond within the fatty acid chain
- large biological molecules consisting of one or more chains of amino acids
- form of matter that has constant chemical composition
- ubiquitous family of large biological molecules that perform multiple vital roles in the coding
- an organic molecule
- polymeric macromolecules, or large biological molecules
- covalent chemical bond formed between two molecules
- variants of a particular chemical element
- surface on which a plant or animal lives
- anything that has both mass and volume
- basic building blocks of matter
- atom or molecule in which the total number of electrons is not equal to the total number of protons
- chemical reactions
Down
- electrically neutral group of two or more atoms held together by chemical bonds
- subgroup of the steroids
- subatomic hadron particle that has no net electric charge
- carbohydrate formed when two monosaccharides undergo a condensation reaction
- chemical bond that involves the sharing of electron pairs between atoms
- large biological molecules
- long carbohydrate molecules of monosaccharide units joined together by glycosidic bonds
- molecule that encodes the genetic instructions
- excessive loss of body water
- a group of naturally occurring molecules that include fats
- fat that consists of triglycerides containing only saturated fatty acids
- quantum mechanical system or particle that is bound
- number of protons found in the nucleus of an atom
- combination or composition
- type of chemical bond formed through an electrostatic attraction between two oppositely charged ions
- process that leads to the transformation of one set of chemical substances to another
- ot consisting of or deriving from living matter
- simple monosaccharide found in plants
- subatomic particle with a negative electric charge
- material system made up of two or more different substances which are mixed but are not combined chemically
- pure chemical substance
- subatomic particle with a positive electric charge
- homogeneous mixture composed of only one phase
- number total number of protons and neutrons
47 Clues: chemical reactions • an organic molecule • simplest form of sugar • pure chemical substance • subgroup of the steroids • large biological molecules • combination or composition • membrane-enclosed organelle • excessive loss of body water • basic building blocks of matter • simple monosaccharide found in plants • anything that has both mass and volume • ...
Science Vocabulary 2021-09-13
Aaron Peacock 2022-03-08
Across
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which two or more substance combine to form a single new substance
- simplest whole ratio of element within a compound
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
Down
- is the maxium amount of a reactant produce
- study of ratios within chemical reactions
- mass of one mole of a substance
- is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
- the substance that will be use up first in chemical reaction
10 Clues: mass of one mole of a substance • study of ratios within chemical reactions • is the maxium amount of a reactant produce • simplest whole ratio of element within a compound • the substance that will be use up first in chemical reaction • is a reaction in which two or more substance combine to form a single new substance • ...
Neutralization Reactions 2021-08-04
Across
- where pH is most easily calculated
- two categories for neutralization reaction are strong acid and
- negatively charged O surrounds positively charged
- ions that don't react in a solution
- what kind of reaction is neutralization
- what is the pH of 7 called
- type of science
- pH end point depends on this
Down
- acetic acid is an example of what type of acid
- salt is this kind of compound
- happens to a strong acid in an aqueous solution
- neutralization maintains this
- type of reaction where acid and base make aqueous solutions
- what chemical is HMO3
- happens to water when pH level isn't correct
15 Clues: type of science • what chemical is HMO3 • what is the pH of 7 called • pH end point depends on this • salt is this kind of compound • neutralization maintains this • where pH is most easily calculated • ions that don't react in a solution • what kind of reaction is neutralization • happens to water when pH level isn't correct • acetic acid is an example of what type of acid • ...
AG 2022-10-31
Across
- process: A method of using economic input.
- The chemical breakdown of substance.
- The sale of goods to the public.
- A person who purchase goods.
- The selling of goods.
- Borne Illness: caused by consuming contaminated food.
- An insistent and peremptory
- sensory Testing: The use of the human senses in the objective.
- Perform a series of mechanical operation.
- An incidental or secondary.
- A chemical element or substance
- A person, company, or country.
Down
- Gather or killing.
- An agent who supplies goods to stores.
- Integration: The combination in one company of two or more stages.
- processing: Any method used to turn fresh food into food products.
- nutrient: A chemical element of substances required.
- A stock of a resource
- A substance that causes an allergic reaction
- Production chain: The processes that describe how food from.
- The loss or remove.
- The quality of having origin or course.
- The temperature was well above freezing.
23 Clues: Gather or killing. • The loss or remove. • A stock of a resource • The selling of goods. • An insistent and peremptory • An incidental or secondary. • A person who purchase goods. • A person, company, or country. • A chemical element or substance • The sale of goods to the public. • The chemical breakdown of substance. • An agent who supplies goods to stores. • ...
AG 2022-10-31
Across
- process: A method of using economic input.
- The chemical breakdown of substance.
- The sale of goods to the public.
- A person who purchase goods.
- The selling of goods.
- Borne Illness: caused by consuming contaminated food.
- An insistent and peremptory
- sensory Testing: The use of the human senses in the objective.
- Perform a series of mechanical operation.
- An incidental or secondary.
- A chemical element or substance
- A person, company, or country.
Down
- Gather or killing.
- An agent who supplies goods to stores.
- Integration: The combination in one company of two or more stages.
- processing: Any method used to turn fresh food into food products.
- nutrient: A chemical element of substances required.
- A stock of a resource
- A substance that causes an allergic reaction
- Production chain: The processes that describe how food from.
- The loss or remove.
- The quality of having origin or course.
- The temperature was well above freezing.
23 Clues: Gather or killing. • The loss or remove. • A stock of a resource • The selling of goods. • An insistent and peremptory • An incidental or secondary. • A person who purchase goods. • A person, company, or country. • A chemical element or substance • The sale of goods to the public. • The chemical breakdown of substance. • An agent who supplies goods to stores. • ...
Acids/Bases Review Crossword 2024-01-25
Across
- organ in your body that generates strong acid to aid in digestion
- a negative ion made of oxygen and hydrogen (OH-)
- the color that litmus paper turns in the presence of an acid
- a neutralization reaction is an example of this type of chemical reaction
- a substance with a pH of greater than 7
- a reaction between an acid and a base, yielding a solution that is not as acidic or basic as the starting solutions were
- substances that respond by changing color in the presence of an acid or base
- the feeling that bases give to a substance
Down
- dull base substance that builds up on the surface of pennies over time
- something that "wears away" at another material
- the flavor associated with acidic foods
- an H atom that has lost its electron (H+)
- the gas produced by the reaction of a gas with a metal
- type of paper used as an indicator for acids and bases
- a molecule that has a positive or negative charge
- the color that litmus paper turns in the presence of a base
- the flavor associated with base foods
- gas produced by the reaction of a gas with a carbonate
- an ionic compound that is made from a neutralization reaction
- a substance with a pH of less than 7
20 Clues: a substance with a pH of less than 7 • the flavor associated with base foods • the flavor associated with acidic foods • a substance with a pH of greater than 7 • an H atom that has lost its electron (H+) • the feeling that bases give to a substance • something that "wears away" at another material • a negative ion made of oxygen and hydrogen (OH-) • ...
Balancing Chemical Equations 2021-10-27
Across
- Present before chemical reactions
- a body of matter
- Law stating that mass is never created or destroyed
- Shows no mass was created or destroyed
Down
- Present after chemical reactions
- used in a chemical equation
- equation Representing a chemical reaction with elements and symbols
- What separates the reactants and products in a chemical equation
- Shows mass as created or destroyed
- Anything that has mass and takes up space
10 Clues: a body of matter • used in a chemical equation • Present after chemical reactions • Present before chemical reactions • Shows mass as created or destroyed • Shows no mass was created or destroyed • Anything that has mass and takes up space • Law stating that mass is never created or destroyed • What separates the reactants and products in a chemical equation • ...
Structure of Matter 2019-05-05
Across
- Certain elements show more than one valency, they exhibit _______ valency.
- The smallest particle of an element or a compound that can exist independently.
- A substance formed by the chemical combination of two or more elements in fixed proportions.
- The atoms of some elements can exist independently and called ________ elements.
- A substance made up of only one kind of atoms that cannot be broken down into simpler substances by chemical methods.
- The smallest particle of an element that can take part in a chemical reaction.
Down
- These are used to represent compounds.
- The atoms of many elements cannot exist independently in nature and called _______ elements.
- The combining capacity of an element to attain stability.
- The elements or compounds that take part in a chemical reaction are called the _______.
- These are used to represent elements.
- The number of atoms present in a molecule of an element.
12 Clues: These are used to represent elements. • These are used to represent compounds. • The number of atoms present in a molecule of an element. • The combining capacity of an element to attain stability. • Certain elements show more than one valency, they exhibit _______ valency. • The smallest particle of an element that can take part in a chemical reaction. • ...
Action, reaction 2020-11-29
Across
- the ability or capacity to do something or act in a particular way
- strongly affecting how a situation will progress or end
- stupid or unreasonable and deserving to be laughed at
- a strong, hard hat that covers and protects the head
- trying to do something, although it is very difficult
- reward for a talented person
- how fast something moves
- synonym to brave
- try earnestly or persistently to persuade someone to do something
- a series of contests between a number of competitors, competing for an overall prize.
- full of hope and confidence, or giving cause for hope and confidence
Down
- to come from behind another vehicle or a person and move in front of them
- a person who is in charge of a sports game and who makes certain that the rules are followed
- using force to hurt or attack
- willing to give money, help, kindness, etc., especially more than is usual
- your teammate
- to appear by coming out of something or out from behind something
- a person who watches an activity, especially a sports event, without taking part
- if you walk under a ladder it brings you bad luck
- especially in sports or other competitions to be in front, to be first, or to be winning
20 Clues: your teammate • synonym to brave • how fast something moves • reward for a talented person • using force to hurt or attack • if you walk under a ladder it brings you bad luck • a strong, hard hat that covers and protects the head • stupid or unreasonable and deserving to be laughed at • trying to do something, although it is very difficult • ...
Metabolic Reaction 2025-05-23
Across
- The site of protein synthesis in the cell
- An organelle containing enzymes that help break down food and waste
- The thing going on when cells divide
- The nucleotide triples of DNA and RNA molecules that carry genetic information in living cells
- THe process by which a cell exports large particles by releasing them from vesicles
- The material that makes up chromosomes, consisting of DNA and proteins
- A pair of complementary bases in a double-stranded nucleic acid molecule, consisting of purine in one strand linked
- Chromosomes forms two nuclei
- THe process by which a cell takes in large particles by engulfing them
- a sugar that our cells use as fuel
- membrane A semipermeable membrane surrounding the cell, controlling the movement of substances in an out
- A barrier that only allow 5 certain substances like water, to pass through
- A storage organelle within the cell
- The process in which cells make proteins by using the genetic information in living cells
- is another type of nuclei acid that is mainly used as a messenger in the process of converting DNA into proteins
- fibers Formations that separate chromosomes during cell division
- Large molecules composed of one more long chains of amino acids, essential for all living organisms
- A property of the cell membrane that allows some substances to pass while keeping others out
- The movement of molecules across a cell membrane without the use of energy
- The ability to maintain a constant internal environment in response to environmental changes
- The movement of water across a semi-permeable membrane from an area of high concentration to an area of low concentration
Down
- The process of copying the DNA within a cell to produce two identical sets
- A network within the cell that assists in the production of proteins and lipids
- Genes that works some function but slightly different
- Organelles involved in modifying, sorting, and packaging proteins and lipid
- The movement of particles from an area of high concentration to an area of low concentration
- THe phrase of the cell cycle where cells prepares for division by growing and replicating its RNA
- Chromosomes line up at the middle of the cells
- surrounded by proteins that protect it and hold the shape of the chromosomes
- A structure of nucleic acids and protein found in the nucleus, carrying genetic informations
- Conditions within a cell or organism, which are kept stable
- Chromosomes splits and goes to the each opposite of cells
- respiration a chemical process that uses glucose from food as a fuel to provide energy for life processes
- The movement of molecules across a cell membrane using energy, especially against a concentration gradient
- Chromosomes flowing around in the cell
- THe process of cytoplasm division that results in two daughter cells
- Very long structures they are also not usually visible except when they are very tightly coiled during cell division
37 Clues: Chromosomes forms two nuclei • a sugar that our cells use as fuel • A storage organelle within the cell • The thing going on when cells divide • Chromosomes flowing around in the cell • The site of protein synthesis in the cell • Chromosomes line up at the middle of the cells • Genes that works some function but slightly different • ...
Biology Exam Review 2 2022-12-14
Across
- chains of carbon atoms bonded to hydrogen atoms
- state reached when both reactants and products are made at the same rate
- Structures specialized to perform distinct processes within a cell.
- Diffusion of water through a selectively permeable membrane from an area of higher concentration to an area of lower water concentration
- of growth, DNA replication, and cell division that occurs in a eukaryotic cell
- polymers that are made up of monomers called nucleotides
- a solution that has the same concentrations of dissolved particles as the cell
- each subunit in the complete molecule
- molecule in chloroplasts that absorbs some of the energy in visible light
- energy the amount of energy that will break a bond between two atoms
- process that changes substances into different substances by breaking and forming chemical bonds
- the movement of substances across a cell membrane without the use of energy by the cell
- solution has a higher concentration of dissolved particles than a cell
- nonpolar molecules that include fats, oils, and cholesterol
- release of substances out a cell by the fusion of a vesicle with the membrane.
- process by which a cell divides its nucleus and content
Down
- substance that decreases activation energy and increases reaction rate in a chemical reaction
- Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
- molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
- a process that captures energy from sunlight to make sugars that store chemical energy
- Theory theory that states that all organisms are made of cells, all cells are produced by other living cells, and the cell is the most basic unit of life.
- a polymer made of monomers called amino acids
- the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration
- solution has a lower concentration of dissolved particles than a cell
- the process of taking liquids or fairly large molecules into a cell by engulfing them in a membrane
- the substances changed during a chemical reaction
- Small membrane-bound sac that functions in moving products into, out of, and within a cell.
- cell do not have a nucleus or other membrane-bound organelles
- a compound that releases a proton when it dissolves in water
- a molecule that contains many monomers bonded together
- product of fermentation in many types of cells, including human muscle cells
- process of producing ATP by breaking down carbon-based molecules when oxygen is present
- the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
- jellylike substance inside cells that contains molecules and in some cells organelles.
- Catalysts for chemical reactions in living things
- the substances made by a chemical reaction
- molecule composed of carbon, hydrogen, and oxygen; includes sugars and starches
- cells have a nucleus and other membrane-bound organelles
- compounds that remove H+ ions from a solution
39 Clues: each subunit in the complete molecule • the substances made by a chemical reaction • a polymer made of monomers called amino acids • compounds that remove H+ ions from a solution • chains of carbon atoms bonded to hydrogen atoms • the substances changed during a chemical reaction • Catalysts for chemical reactions in living things • ...
2024-2025 Grade 8 Integrated Science 2025-06-09
Across
- The change from gas to liquid.
- A protein that speeds up chemical reactions in the body.
- Spreading apart (e.g., light rays through a concave lens).
- The gradual destruction of materials by chemical reaction.
- Coming together (e.g., light rays through a convex lens).
- The new substances formed in a chemical reaction.
- The process of sediments sticking together to form rock.
- Allows some light to pass through but not clearly.
- The distance between two wave crests.
- change of energy from one form to the other.
- The starting substances in a chemical reaction.
- rock formed from heat and pressure on other rocks.
- A measure of the average kinetic energy of particles.
- Does not allow light to pass through.
- The process of breaking down food into nutrients.
- The change from liquid to gas at the surface.
- Warming that results when gases trap heat in the atmosphere.
- A blood vessel that carries blood to the heart.
- Transfer of heat through direct contact.
- An element that is shiny, malleable, and conducts heat.
- The movement of particles from high to low concentration.
- Bouncing of light off a surface.
- The ability to do work.
- The process where nutrients pass into the bloodstream.
- A mixture of metals.
- Allows light to pass through clearly.
- rock formed from layers of sediment.
Down
- Squeezing of sediments by pressure.
- A lens or mirror that curves outward.
- Material used to reduce heat transfer.
- The act of taking food into the mouth.
- Two or more atoms bonded together.
- energy Stored energy due to position.
- A substance that provides nourishment for growth.
- Mass per unit volume.
- A lens or mirror that curves inward.
- A harmful substance released into the environment.
- energy Energy of motion.
- Transfer of heat through fluids (liquids or gases).
- The total area that the surface of an object occupies.
- rock formed from cooled magma or lava.
- Allows liquids or gases to pass through.
- A chemical reaction between a fuel and oxygen.
- Bending of light as it passes from one medium to another.
- The process of releasing energy from food.
- A blood vessel that carries blood away from the heart.
- The basic unit of a chemical element.
- A naturally occurring solid with a crystal structure.
- Contains tiny holes that allow water or air to pass.
- A type of corrosion that occurs with iron.
- A substance made of two or more elements chemically joined.
- Breaking down of rocks into smaller pieces.
- Movement of rock particles by wind or water.
- Force that pulls objects toward each other.
- An outer shell electron that can form chemical bonds.
- Transfer of energy through electromagnetic waves.
- A material that releases energy when burned.
- Wearing down of rock by friction.
- The movement of air in and out of the lungs.
- Type of respiration that uses oxygen.
- A pure substance made of only one kind of atom.
- Thermal energy transferred between objects.
62 Clues: A mixture of metals. • Mass per unit volume. • The ability to do work. • energy Energy of motion. • The change from gas to liquid. • Bouncing of light off a surface. • Wearing down of rock by friction. • Two or more atoms bonded together. • Squeezing of sediments by pressure. • A lens or mirror that curves inward. • rock formed from layers of sediment. • ...
Year 8 Science Definitions Crossword 2017-03-16
Across
- Elements that have the appearance of metals but not all the other properties of metals
- The process of changing state from solid to liquid
- A property of a substance that makes it able to be beaten, bent or flattened into shape
- The process of changing state from gas to liquid
- A shorthand way of writing an element. It always starts with a capital letter, and any other letters are lower case.
- A property of a substance that measures how dangerous it is when absorbed by your body
- Does not allow light to pass through it, like classroom walls
- A shorthand way of representing a compound
- A property of a substance that is an indicator of how easily it catches fire
- Chemical substances that are used up in a chemical reaction
- How well a substance dissolves in a liquid
- A property that describes how a substance combines with other substances to form new chemicals or how a substance breaks up into two or more different substances.
- A chemical change in which one or more new chemical substances are produced. May be described in a word equation.
- The process of adding heat energy which causes particles to move faster
- A property of a substance that means it is able to be drawn into a wire
- Substances made up of two or more different types of atoms that have been joined (bonded) together
- Pure substances made up of only one type of atom
- New chemical substances that are formed in a chemical reaction
Down
- Elements that conduct heat and electricity very well; shiny solids that can be made into thin wires and sheets that bend easily.
- The process of changing state from liquid to solid
- A way of describing a chemical reaction. It has the form reactant + reactant → product + product
- A property of a substance that describes whether light passes through, is partly absorbed or is totally absorbed by the substance
- The process of changing state from liquid to gas that happens only at the surface of the liquid
- The process of changing state from solid to gas.
- A table listing all known elements, grouped according to their properties
- Allows light to pass through completely, like normal window glass
- A property that you can either observe using your five senses, or measure directly without changing the substance being measured.
- Elements that do not conduct electricity or heat. They melt and turn into gases easily and are brittle and often coloured
- Change in which no new chemical substances are formed. This may be a change in shape, size or state. Many of these changes are easily reversible
- Very small particles that make up all things
- The state of matter that has a fixed volume, but no fixed shape
- The process of changing state from liquid to gas that occurs all through the liquid
- Allows some light to pass through it, like frosted glass
- A property of a substance that measures how likely a substance is to take part in a particular reaction
- The state of matter that has no fixed shape and no fixed volume
- Combinations of substances in which each keeps its own properties
- A property of a substance that describes whether it is shiny, glassy, waxy, metallic or dull
- The state of matter that has a fixed shape and volume
38 Clues: A shorthand way of representing a compound • How well a substance dissolves in a liquid • Very small particles that make up all things • The process of changing state from solid to gas. • The process of changing state from gas to liquid • Pure substances made up of only one type of atom • The process of changing state from liquid to solid • ...
Chemistry Crossword 2025-09-03
Across
- A charged particle.
- Substance with a pH below 7.
- Substance with a pH above 7.
- A substance made of two elements chemically combined.
- A substance that increases the speed of a chemical reaction.
- A combination of atoms bonded together.
Down
- Chart that organizes elements by atomic number.
- The smallest unit of matter.
- A chemical change that forms new substances.
9 Clues: A charged particle. • Substance with a pH below 7. • The smallest unit of matter. • Substance with a pH above 7. • A combination of atoms bonded together. • A chemical change that forms new substances. • Chart that organizes elements by atomic number. • A substance made of two elements chemically combined. • A substance that increases the speed of a chemical reaction.
Environmental Chemistry: Topics 1-3 2013-12-08
Across
- Element that forms bone and teeth (1)
- A type of pesticide banned in 1969 in Canada (2)
- A childhood disease caused because of a low-protein diet (1)
- A chemical used to control insects (2)
- A form of farming that uses chemicals to grow and take care of crops (2)
- A mineral that a person needs 100mg/day or more of (1)
- A way of comparing relative acidity or alkalinity of a substance (3)
- An element that is a component of an antioxidant enzyme that helps prevent decay of cell function (1)
- A indicator that is a mixture of plant compounds extracted from certain lichens (3)
- Farming that does not use pesticides (2)
- A human's only source of _______ is from plants (1)
- A chemical that has a pH of more than 7 (3)
Down
- What does pH stand for? (3)
- A substance that speeds up a chemical reaction without taking part in the reaction (3)
- A disease, concerning mosquitoes, that ddt was used to get rid of (2)
- The process where chemicals collect in the tissues of organisms along the food chain (2)
- The chemist that invented ddt (2)
- Adds extra nitrogen to the environment (1)
- A chemical used to control weeds (2)
- The process of adding calcium carbonate to the environment (3)
- An element that is a component of some enzymes, involved in bone formation and protein metabolism (1)
- Devices that use sorbents which absorb oxides (3)
- A chemical that produces an acidic substance and has a pH of less than 7 (3)
- An element that is an important part of red blood cells that regulates oxygen transport (1)
24 Clues: What does pH stand for? (3) • The chemist that invented ddt (2) • A chemical used to control weeds (2) • Element that forms bone and teeth (1) • A chemical used to control insects (2) • Farming that does not use pesticides (2) • Adds extra nitrogen to the environment (1) • A chemical that has a pH of more than 7 (3) • A type of pesticide banned in 1969 in Canada (2) • ...
Tristen's Crossword 2018-02-16
Across
- measured by the number of hydrogen atoms.
- a pair of equal and oppositely charged or magnetized poles.
- relating to the body as opposed to the mind.
- consists one atom.
- stable subatomic particle with a charge negative electricity.
- process that leads to transformation of one set of chemical.
- an atom or molecule with a net electric charge.
- a specified material conducts electricity.
- Valence shell electron pair repulsion.
- a can be positive or negative
- a group of atoms bonded together.
- a way of using the formulas to indicate the chemicals.
- keeping or showing a balance; arranged in good proportions.
- existing or taking place within a molecule.
- statement that the values of two mathematical expressions.
- a part or aspect of something abstract.
Down
- it is a positive ion.
- a matter that has constant composition and characteristics.
- known as diagrams as a dot structures.
- a chemical element with symbol H
- chemical bonds formed by the electrons between atoms.
- characteristic of substance that's observed on reaction.
- a small positive nucleus surrounded by orbiting electrons.
- existing or taking place between molecules.
- a chemical bond between two ions with opposite charge.
- of or containing water, typically as a solvent or medium.
- a group algebraic structure consisting a set of elements.
- relating to or resembling metal or metals.
- it's composed of two or more separate elements; a mixture.
- it consists of many atoms.
- the property of a solid, liquid, or gaseous substance.
- can be pressed out of shape without breaking or cracking.
- the state or power of being reactive
- a negatively charged ion.
- able to be drawn out into a thin wire.
35 Clues: consists one atom. • it is a positive ion. • a negatively charged ion. • it consists of many atoms. • a can be positive or negative • a chemical element with symbol H • a group of atoms bonded together. • the state or power of being reactive • known as diagrams as a dot structures. • Valence shell electron pair repulsion. • able to be drawn out into a thin wire. • ...
Unit B Crossword 2017-11-11
Across
- vertical columns of elements in the periodic table
- description of a substance that can be pounded or rolled into sheets
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- change of state from a liquid to a gas
- vertical column of elements in the periodic table;also called a family
- description of a solid that can be stretched into a long wire
- neutral particle in the nucleus of an atom
- change of state from a gas to a liquid
- anything that has mass and occupies space
- change of state from a solid to a liquid
- substance that helps a chemical reaction to proceed more quickly
- atom that became electrically charged because it lost or gained electrons
- slow chemical change that occurs when oxygen in the air reacts with a metal
Down
- the smallest part of an element that is representative of that element
- change of state from a liquid to a solid
- shiny,malleable,ductile element that conducts electricity
- change of state from a gas to a solid
- ability of a substance to conduct electricity or heat
- group 17 in the periodic table;the most reactive non-metals
- catalyst involved in chemical reactions in living things
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- element that has both metallic and non-metallic properties
- pure substance that cannot be broken down into other substances;substance made up of only one type of atom
- amount of mass in a given volume of a substance
- chemical combination of two or more elements in a specific ratio
25 Clues: change of state from a gas to a solid • change of state from a liquid to a gas • change of state from a gas to a liquid • change of state from a liquid to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • amount of mass in a given volume of a substance • ...
U3S2 Vocabulary 2021-11-11
Across
- a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
- Theoretical yield is the amount of product that should form when a reaction takes place.
- a reactant present in an amount in excess of that required to combine with all of the limiting reactant.
- he relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
Down
- a reactant in a chemical reaction that determines the amount of product that is formed.
- The actual yield is the quantity of a product that is obtained from a chemical reaction.
- he percent ratio of actual yield to the theoretical yield.
- 6.022 x 10^23 =
8 Clues: 6.022 x 10^23 = • he percent ratio of actual yield to the theoretical yield. • a reactant in a chemical reaction that determines the amount of product that is formed. • The actual yield is the quantity of a product that is obtained from a chemical reaction. • Theoretical yield is the amount of product that should form when a reaction takes place. • ...
MRCENT/energy 2022-05-05
12 Clues: \ heat • battery • kicking • stored \ • \ motion • \radiation • \in motion • liquid to gas • \ electricity • attraction force • reaction of nuclear • everything you do includes
Chemical Reactions and Equations 2024-07-01
Across
- the process of splitting a molecule using electricity
- oxidation of the top layer of metal surface
- substance that undergoes change in a chemical reaction
- substances which are added to food to prevent rancidity
Down
- common name of Calcium Carbonate
- insoluble substance formed when Barium Chloride reacts with Sodium Sulphate
- type of chemical reaction that involves only one reactant
- respiration is a _____________ reaction
8 Clues: common name of Calcium Carbonate • respiration is a _____________ reaction • oxidation of the top layer of metal surface • the process of splitting a molecule using electricity • substance that undergoes change in a chemical reaction • substances which are added to food to prevent rancidity • type of chemical reaction that involves only one reactant • ...
Chemical reactions 2024-10-16
Across
- Is an another term for burning
- A substance used at the beginning of a chemical reaction
- Is a white powder formed due to a reaction between magnesium and oxygen
- Produces a brown colour
Down
- Produces carbon dioxide and alcohol
- Is a technique used in cooking
- a procedure that produces new chemicals
- A substance obtained at the end of a chemical reaction
8 Clues: Produces a brown colour • Is a technique used in cooking • Is an another term for burning • Produces carbon dioxide and alcohol • a procedure that produces new chemicals • A substance obtained at the end of a chemical reaction • A substance used at the beginning of a chemical reaction • Is a white powder formed due to a reaction between magnesium and oxygen
Chemistry Crossword 2021-01-18
Across
- The amount of space occupied by matter
- The ability of a substance to dissolve into a liquid
- Different particles are well mixed and has only one phase visible
- Bonds that form only between two or more nonmetals
- The resistance of a liquid to flow
- Bonds that form between metals and nonmetals
- Made up of two or more elements that are chemically bonded
- The atoms in the outermost energy level in an atom
- The type of change that affects the form of a substance
- Everything that has mass and takes up space
- The quantity of matter in an object
- The object used to perform a gas test
Down
- Solid, shiny, malleable, and ductile elements
- A solid formed during a reaction
- The average mass of one atom of an element
- Have the properties of both metals and nonmetals
- The type of change that occurs during a chemical reaction
- Describes the shape of a substance
- The ratio of mass to volume
- Least reactive known substances that only exist as single atoms
- Atomic number subtracted from the atomic mass
- Cannot be broken down by chemical or physical methods
- Very reactive metals that are never found in pure form
23 Clues: The ratio of mass to volume • A solid formed during a reaction • Describes the shape of a substance • The resistance of a liquid to flow • The quantity of matter in an object • The object used to perform a gas test • The amount of space occupied by matter • The average mass of one atom of an element • Everything that has mass and takes up space • ...
Biochemistry Vocabulary 2021-10-13
Across
- bond formed when atoms share electrons
- pure substance made of only one kind of atom
- attraction between molecules of difference substances
- many sugars
- attraction between molecules of the same substance
- one sugar
- mixture formed when one substance dissolves another
- bond when atoms transfer electrons to the other
- protein that speeds up a chemical rxn in living things
- macromolecules including fats, oils, and waxes
- compound that forms H+ ions in a solution
- mixture of water and non-dissolved materials
- charged atom
- two sugars
- region on an enzyme that binds to a substrate
- substance being dissolved in a solution
- substance made of two atoms joined w/ chemical bonds
Down
- subatomic particle with a positive charge
- subatomic particle with a negative charge
- macromolecules including sugars and starches
- macromolecules made up of amino acid chains
- ending material in a chemical reaction
- unit of energy within foods
- substance capable of dissolving other substances
- macromolecules including DNA and RNA
- reactant in an enzyme-catalyzed reaction
- attraction between a +H and -O
- compound that produces OH- ions in a solution
- subatomic particle with a neutral charge
- atoms of same element with a different # of neutrons
- basic unit of matter
31 Clues: one sugar • two sugars • many sugars • charged atom • basic unit of matter • unit of energy within foods • attraction between a +H and -O • macromolecules including DNA and RNA • bond formed when atoms share electrons • ending material in a chemical reaction • substance being dissolved in a solution • reactant in an enzyme-catalyzed reaction • subatomic particle with a neutral charge • ...
Chemistry Revision 2013-05-28
Across
- A Noble gas.
- The Law of Conservation of Mass in chemistry means that any chemical equation must be ____________.
- Elements in group 7 are known as _________.
- Chemistry is the study of _____________.
- Cobalt is found in the ____________ metal region of the periodic table.
- ___________ go across the periodic table.
- Group 8 elements have a full outer shell. This makes them ___________.
- Reactions that release energy.
- Ions that have a negative charge.
- The charge electrons carry.
- Beryllium has an atomic number of four and a mass number of nine. How many neutrons does it have?
- _______ go down the periodic table.
- The region in the atom that contains the protons and neutrons.
- Ions that have a positive charge.
Down
- The particles in a solid _________.
- The overall charge of an atom.
- Carbon-13 has __________ neutrons.
- The substances we begin a chemical reaction with.
- The number of protons is ________ to the number of electrons in an atom.
- Reactions that absorb energy.
- The charge electrons carry.
- The name given to atoms of the same element which have different mass numbers.
- Elements which demonstrate characteristics of metals and non metals are called _____________.
- Chlorine-37 has ___________ protons.
- Group 1 metals react strongly with this substance.
- The substances we end up with after a chemical reaction has occurred.
26 Clues: A Noble gas. • The charge electrons carry. • The charge electrons carry. • Reactions that absorb energy. • The overall charge of an atom. • Reactions that release energy. • Ions that have a negative charge. • Ions that have a positive charge. • Carbon-13 has __________ neutrons. • The particles in a solid _________. • _______ go down the periodic table. • ...
Chapter 2 Vocab 2013-09-23
Across
- A substance made of the joined atoms of 2 or more different elements.
- Compounds that reduce the concentration of hydroxide ions.
- A pure substance made of only one kind of atom.
- Ribonucleic acid.
- The hydrogen bonds between water molecules.
- Non polar molecules that are not soluble or mostly insoluble in water.
- The energy needed to start a chemical reaction.
- Substances that increase the speed of chemical reactions.
- 2 or more atoms that share electrons to form a molecule.
- An atom or molecule that has gained or lost one or more electrons.
- The building blocks of proteins.
- Usually a large molecule formed by linking smaller molecules.
- Organic compounds made of carbon, hydrogen, and oxygen atoms.
- A large protein with fold form pockets.
- An attraction between different substances.
Down
- Smallest Unit of Life.
- Made of 3 parts: sugar, a base,and a phosphate group.
- The substance on which an enzyme acts during a chemical reaction.
- A long chain of smaller molecules.
- The building blocks of carbohydrates.
- Compounds that form hydrogen ions when dissolved in water.
- The ability to move or change matter.
- Adenosine triphosphate.
- A mixture in which 1 or more substances are evenly distributed.
- Deoxyribonucleic acid.
25 Clues: Ribonucleic acid. • Smallest Unit of Life. • Deoxyribonucleic acid. • Adenosine triphosphate. • The building blocks of proteins. • A long chain of smaller molecules. • The building blocks of carbohydrates. • The ability to move or change matter. • A large protein with fold form pockets. • The hydrogen bonds between water molecules. • An attraction between different substances. • ...
Biosphere crossword 2017-11-17
Across
- an area with non-living and living organisms
- Movement of things into a populated area
- Ticks on mammals
- Interaction between two different organisms
- The total capacity that an area can hold
- Movement of things out of a populated area
- Use sunlight to make foods from carbon dioxide and water
- Produces their own food.
- Color pigments important to photosynthesis
- Clown fish in a sea anemone
- Eats only producers or plants
- A resource factor that ca limit population growth
- Eat meat
- A vulture is a type of what
Down
- the chemicals that consist in a chemical reaction
- A Oxe peckerbird and a rhino have what relationship
- Breathing chemical process that is in both plants and animals
- Are not producers and get our own food.
- a group of living organisms that can reproduce
- Some bugs can camouflage to hide from predators this is called.
- Change or disturbance in an ecosystem
- The first to colonize a land to fertilize the soil(Lichen)
- The deer ---------- is oversized
- different populations that live together
- Processes of respiration and energy production occur in the cell
- Eats plants and animals
- a place with interactions of abiotic and biotic things
- Preying of one animal on others
- the result of a chemical reaction
29 Clues: Eat meat • Ticks on mammals • Eats plants and animals • Produces their own food. • Clown fish in a sea anemone • A vulture is a type of what • Eats only producers or plants • Preying of one animal on others • The deer ---------- is oversized • the result of a chemical reaction • Change or disturbance in an ecosystem • Are not producers and get our own food. • ...
Science Crossword 2023-07-10
Across
- A material that physically attracts other substances
- An organisms that share characteristics and are able to produce off spring
- A process that results in changes in the genetic material of a population over time
- The name for the group 7 elements
- A unit of measurement, symbol is v
- A chemical that contains information on how to make an organism (acronym)
- A place where an organism makes its home
- What is the name for a process that breaks up protein and changes its three-dimensional structure
- What is the name for the selective boiling and subsequent condensation of a component in a liquid mixture
- Organisms that are exact genetic copies
- nurturances that store fat for the body
Down
- A type of stone made when magma or lava cools
- Liquid which has passed through a filter
- A creature eaten by other animals
- A substance that does not dissolve
- A material with small holes that make it able to absorb liquid
- What is the chemical reaction used by micro organisms to convert glucose into energy
- A substance that speeds up a chemical reaction without depleting
- To make a product safe for consumption by heating
- A negatively charged occurrence that is commonly found in an atom
20 Clues: A creature eaten by other animals • The name for the group 7 elements • A substance that does not dissolve • A unit of measurement, symbol is v • Organisms that are exact genetic copies • nurturances that store fat for the body • Liquid which has passed through a filter • A place where an organism makes its home • A type of stone made when magma or lava cools • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
Chemistry revision activity 2013-11-16
Across
- The hotter a reaction, the more likely it is to go in the ______ direction
- If the forward reaction is _____ then the backward reaction is endothermic in a reversible reaction
- ____ the concentration of a substance tips the equilibrium in the direction that uses up the concentration of the substance added
- ____ ____is when the rate of a forward reaction is the same as the rate of the backward reaction
- In a gas reaction, the _____ the pressure the more the reaction moves in the direction with less gas molecules
- This is one of the factors that can be changed to influence the position of an equilibrium
- In the haber process, iron beds are present in the ____
- Ammonia is produced through the ____ process in industries
Down
- A ____ is used to speed up a chemical reaction
- Most reactions are this type of reactions
- This is one of the factors that can be changed to influence the position of an equilibrium
- According to _____'s principle, whatever you do to a reaction, it tries to do the opposite
- This is one of the factors that can be changed to influence the position of an equilibrium
- In a reversible reaction, the forward reaction is exothermic. You can maximise output by performing the reaction in a ___ environment
14 Clues: Most reactions are this type of reactions • A ____ is used to speed up a chemical reaction • In the haber process, iron beds are present in the ____ • Ammonia is produced through the ____ process in industries • The hotter a reaction, the more likely it is to go in the ______ direction • ...
Rates of Reactions 2017-05-02
Across
- Form of limestone reacting slowly
- The amount of energy needed for a reaction to begin
- The amount of particles in a given volume
- The unit of time
- Form of limestone reacting fast
Down
- The speed with which a particular chemical reaction progresses
- The larger that is the faster the rate of reaction
- Particles must do this before they react
- A substance that changes the rate of reaction without being used up
- Increasing the temperature gives the particles more ……….
- A biological catalyst
11 Clues: The unit of time • A biological catalyst • Form of limestone reacting fast • Form of limestone reacting slowly • Particles must do this before they react • The amount of particles in a given volume • The larger that is the faster the rate of reaction • The amount of energy needed for a reaction to begin • Increasing the temperature gives the particles more ………. • ...
PS 3-5 Vocabulary 2022-03-28
Across
- waste from remains of nuclear reactions
- Law of ________ of Mass
- on the right side of the arrow in an equation
- combining of the nuclei of atoms
- starting materials in a chemical reaction
- the type of bond between a metal and nonmetal
- a bond with shared electrons between nonmetals
Down
- electrons that are on the outer level of an atom
- on the left side of the arrow in an equation
- used to represent a chemical reaction
- an atom that has gained or lost electrons
- new compounds formed during a reaction
- reaction that involves the nucleus of atoms
- atoms cannot be ______________ or destroyed
- splitting of the nucleus of atoms
- released during fission and fusion
16 Clues: Law of ________ of Mass • combining of the nuclei of atoms • splitting of the nucleus of atoms • released during fission and fusion • used to represent a chemical reaction • new compounds formed during a reaction • waste from remains of nuclear reactions • an atom that has gained or lost electrons • starting materials in a chemical reaction • ...
Year 8 Chemical Science Key Words 2021-07-30
Across
- Able to be hammered or bent into new shapes
- A substance that has a metallic shine and can conduct heat and electricity
- A decrease in size
- A change that does not result in a new substance being formed
- Elements that consists of atoms grouped in pairs
- Elements that consists of single atoms
- Easily crumbled or shattered
- A cluster of atoms
- The change of state from a liquid to a solid
- The substance formed in chemical reactions
- An increase in size
- A solution in which a substance is dissolved in water
- A mixture in which one substance is dissolved into another
- Liquids that can be mixed together
- A grid-like structure of atoms
- The change of state from a liquid to a gas
Down
- A change in state from liquid to solid
- How easily a substance undergoes combustion (burns)
- Substances made up of only one type of atom
- Any combination of two or more elements or compounds
- The characteristics of a substance, they can be chemical or physical
- A simple equation where chemicals are represented by their names
- A process there two liquids or gases mix due to the motion of their particles
- Identifying minerals by using the colour of the flame when they burn
- Substances made of lattices or molecules that contain two or more types of atoms
- The starting substances of a chemical reaction
- A table that shows all the known elements
- A change that results in a new substance being formed
- Any chemical reaction where a substance burns in oxygen to produce light and heat
- A mixture of a metal with other metals or a non-metal
30 Clues: A decrease in size • A cluster of atoms • An increase in size • Easily crumbled or shattered • A grid-like structure of atoms • Liquids that can be mixed together • A change in state from liquid to solid • Elements that consists of single atoms • A table that shows all the known elements • The substance formed in chemical reactions • The change of state from a liquid to a gas • ...
Unit B Crossword 2017-11-11
Across
- shiny,malleable,ductile element that conducts electricity
- amount of mass in a given volume of a substance
- change of state from a solid to a liquid
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- description of a substance that can be pounded or rolled into sheets
- ability of a substance to conduct electricity or heat
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- vertical columns of elements in the periodic table
- neutral particle in the nucleus of an atom
- change of state from a gas to a solid
- vertical column of elements in the periodic table;also called a family
- change of state from a liquid to a solid
Down
- the smallest part of an element that is representative of that element
- anything that has mass and occupies space
- substance that helps a chemical reaction to proceed more quickly
- group 17 in the periodic table;the most reactive non-metals
- description of a solid that can be stretched into a long wire
- atom that became electrically charged because it lost or gained electrons
- change of state from a gas to a liquid
- element that has both metallic and non-metallic properties
- change of state from a liquid to a gas
- chemical combination of two or more elements in a specific ratio
- catalyst involved in chemical reactions in living things
- slow chemical change that occurs when oxygen in the air reacts with a metal
- pure substance that cannot be broken down into other substances;substance made up of only one type of atom
25 Clues: change of state from a gas to a solid • change of state from a gas to a liquid • change of state from a liquid to a gas • change of state from a solid to a liquid • change of state from a liquid to a solid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • amount of mass in a given volume of a substance • ...
Unit 3 Crossword Project 2021-10-03
Across
- The substance before the reaction in a chemical equation.
- What is the little number at the bottom of the element?
- The arrow in between the reaction and the product
- What is the big number in front of the equation called?
Down
- What change does Please Excuse Coughs, Burps, Sneezes, Farts goes with?
- What number of subscript combined for each element?
- What is the equation called?
- What change does So Sorry Sam Didn't Make it go with?
- The substance after the reaction in a chemical equation.
- What is the big letters on the periodic table called?
10 Clues: What is the equation called? • The arrow in between the reaction and the product • What number of subscript combined for each element? • What change does So Sorry Sam Didn't Make it go with? • What is the big letters on the periodic table called? • What is the little number at the bottom of the element? • What is the big number in front of the equation called? • ...
Redox Reactions 2025-08-13
Across
- either the oxidation or reduction portion of a redox process
- a strong oxidizing ion often used in redox titrations
- calculation of reactants and products in a chemical reaction
- describing a substance that gains electrons and causes oxidation
- loss of electrons resulting in an increase in oxidation number
Down
- relating to chemical reactions involving electron transfer
- gain of electrons resulting in a decrease in oxidation number
- process of making atom counts and charges equal on both sides of a reaction equation
- describing a substance that loses electrons and causes reduction
- relating to an electrochemical cell producing electric current
10 Clues: a strong oxidizing ion often used in redox titrations • relating to chemical reactions involving electron transfer • either the oxidation or reduction portion of a redox process • calculation of reactants and products in a chemical reaction • gain of electrons resulting in a decrease in oxidation number • ...
I guess it's a crossword 2022-12-06
9 Clues: 2 + 2 = 4 • products have new __________ • Mr. Scott's favorite pokemon • rearrange in a chemical reaction • Mr. Scott has two of these at home • never change in a chemical reaction • (again) products have new __________ • (two words, no space) a terrible band • something created in a chemical reaction
Chemistry Balance Crossword 2022-10-05
10 Clues: Stuff. • A branch of science. • After a chemical equation. • Before a chemical equation. • Atoms lost/added in equation. • Signifies a chemical reaction. • The rearrangement of molecules. • No atoms can be made or created. • No atoms lost/added in equation. • Doesn't change when shape/form changes.
Physics Crossword 2020-04-28
Across
- The foul smell developed due to oxidation of food
- 2 or more substances combine to form single substance
- Reaction in which heat energy is released
- reaction in which one element displaces another
- gain of oxygen/loss of hydrogen
Down
- An insoluble substance in a chemical reaction
- Tarnishing of metals due to the reaction with air & H2O
- Reaction in which heat energy is absorbed by reactants
- A precious metal which resist corrosion
- Loss of oxygen/gain of hydrogen
10 Clues: Loss of oxygen/gain of hydrogen • gain of oxygen/loss of hydrogen • A precious metal which resist corrosion • Reaction in which heat energy is released • An insoluble substance in a chemical reaction • reaction in which one element displaces another • The foul smell developed due to oxidation of food • 2 or more substances combine to form single substance • ...
Matter Vocab List 2022-01-19
Across
- a substance combines with another to form a new substance
- smallest unit of ordinary matter that forms a chemical element
- transition from a solid to a gas state without passing through the liquid phase
- a given chemical compound always cotains its component elements in fixed ratio
- any of a materials properties that becomes evident during or after chemical reaction
- the product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature
- a substance that takes part in and undergoes changes during a reaction
- something that is the result of anaction or process
- quantity of matter in a physical body
- group of elements with similar chemical properties
- any property that is measureable, value describes a state
- an element whose properties are intermediate between those of metals and solid nonmetals
- a state o fmatter consisting of particles that have neither a defined volume nor defined shape
- pure substance consisting only of atoms that have the same number of protons in their nuclei
- property a property that is measureable, and describes a state of matter
- one state of matter not liquid
- an experimental gas law that describes how the pressure of a gas tends to decrease as the volume of the container increases
- describes how gases tend to exapnd when heated
- lab technique for the separation of a mixture into its components
- any substance that has mass and takes up space
- compnenets are distributed the same or in uniform
- a substance with high electrival conductivity, readily forms positive ions
- a physical quantity whose value is proportional to the size of the system it describes
- solid forms where atoms or molecules are highly organized into a crystal structure
- a substance in the gas phase at a temerature lower than its critical temperature
- consists of different substances
- equal volumes of gases at the same temperature and pressure equa; numbers of molecules
Down
- a purifying liquid by a process of heating and cooling
- physical separation process, separates solid matter
- if two elements form more than one compound the the ratios of the masses of the second element which combine with a fixed mass of the first element
- exhibit great stability and extremely low reaction rates helium, neon, argon, krypton, xenon, radon
- table chemical elements arranged in order of atomic number usually in rows so that elements with similar atomic structure appear in vertical columns
- volume of gases undergoing rection at constant pressure and temperature one in a simple ratio to each other and the product
- chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
- that flows freely has constant volume
- lacks characteristics of metal, elements on the right of the periodic table
- all collisions between atoms and molecules are perfectly elastic
- a single substance made of only one type of particle
- physical quantity whose value does not depend on the amount of substance for which it is measured
- a chemical reaction mass is neither created nor destroyed
- changes affecting form of a chemical substance but not its chemical composition
- the change of a substance from one physical form to another
- calculated as the mass of a component divided by the total mass of a mixture
- state of matter consists of gas ions
- horizontal rows of elements on the periodic table
- a substance made by mixing other substances together
- one of the distinct forms in which matter can exist
47 Clues: one state of matter not liquid • consists of different substances • state of matter consists of gas ions • that flows freely has constant volume • quantity of matter in a physical body • describes how gases tend to exapnd when heated • any substance that has mass and takes up space • horizontal rows of elements on the periodic table • ...
lila johnson mr.B physical science 2017-10-03
Across
- is the minimun amount of energy to overcome the inital breaking of bonds
- no atoms are gained or lost during any reaction
- how quickly the concentration of reactants decreases
Down
- were commonly used as refrigerants,
- is a substance that lowers the actvation energy of a chemical reaction
- a net release of energy
- have to make physical contact with each other in order to transform into products
- is the amount of energy to pull two bonded atoms apart
- during a ________ reaction one or more new compounds are formed as a result of the rearrangement of atoms
- a net absorption of energy
10 Clues: a net release of energy • a net absorption of energy • were commonly used as refrigerants, • no atoms are gained or lost during any reaction • how quickly the concentration of reactants decreases • is the amount of energy to pull two bonded atoms apart • is a substance that lowers the actvation energy of a chemical reaction • ...
Ch. 13 Brookelyn Gleckler 2021-12-01
Across
- substance that lowers the activation energy of a chemical reaction,
- Not all collisions lead to
- if changed, the
- Bond Energy is also known as?
- shifts to oppose change,
- In a reaction there is a net
Down
- No atoms are gained or lost during any reaction.
- of energy.
- when reaction and it’s reverse act at the same rate.
- in a reaction there is a net release of energy.
10 Clues: of energy. • if changed, the • shifts to oppose change, • Not all collisions lead to • In a reaction there is a net • Bond Energy is also known as? • in a reaction there is a net release of energy. • No atoms are gained or lost during any reaction. • when reaction and it’s reverse act at the same rate. • substance that lowers the activation energy of a chemical reaction,
CHEMISTRY ATTENDANCE PROJECT 2023-12-04
Across
- Or burning; a high-temperature exothermic redox chemical reaction between a fuel and an oxidant
- The substance formed from chemical reactions.
- A place where experiments related to chemistry are conducted
- The process or effect of simplifying a single chemical entity into two or more fragments
- Any substance that has mass and takes up space
- A person who is studying at a school or college.
Down
- A small Texas town in which you live in
- A school that typically comprises grades 9 through 12, attended after primary school or middle school.
- A process in which one or more substances, are converted to one or more different substances
- The branch of science that deals with the identification of the substances of which matter is composed
- A chemical substance that cannot be broken down into other substances, there's a whole table based off these
- The queen herself, your teacher.
12 Clues: The queen herself, your teacher. • A small Texas town in which you live in • The substance formed from chemical reactions. • Any substance that has mass and takes up space • A person who is studying at a school or college. • A place where experiments related to chemistry are conducted • ...
Biochemistry 2024-11-08
Across
- Monomer or building blocks of carbohydrates
- Monomer or building blocks of nucleic acids
- Quick energy, stored energy, and cell walls
- Reactants in enzyme reactions
- DNA and RNA
- Monomer or building blocks of proteins
- Chemicals composed of C, H, and O combined
- Contains the genetic code for making proteins
- Place where substrate binds to an enzyme
- Glucose, starch, and cellulose
- Compounds produced during enzyme reactions
Down
- Monomer or building blocks of lipids
- Fats, oils, waxes, and phospholipids
- Regulating chemical reactions and providing structure
- Amount of energy needed for a reaction to take place
- Chemicals that speed up chemical reactions
- Efficient energy, insulation, and cell membranes
- Special proteins that speed up chemical reactions
- To change the shape of an enzyme
- Enzymes, insulin, and hormones
20 Clues: DNA and RNA • Reactants in enzyme reactions • Enzymes, insulin, and hormones • Glucose, starch, and cellulose • To change the shape of an enzyme • Monomer or building blocks of lipids • Fats, oils, waxes, and phospholipids • Monomer or building blocks of proteins • Place where substrate binds to an enzyme • Chemicals that speed up chemical reactions • ...
matter and change crossword 2012-10-04
Across
- chemical reaction
- simplest form of matter that has a unique set of properties, can't be broken down
- a mixture in which the composition is not uniform throughout
- a property that depends on the type of matter in a sample
- the process that separates a solid from a liquid
- a property that depends on the type of matter in a sample
- changes that can be switched back such as ice to water to steam
- can be classified as reversible or irreversible
Down
- a physical blend of 2 or more components
- the ability of a substance to undergo a specific chemical change
- a quality or condition of a substance that can be observed or measured without changing the substance composition
- a substance present at the start of the reaction
- a substance produced in the reaction
- when one or more substances change into one or more new substances
- a liquid is boiled to produce a vapor that is then condesened into a liquid
- mixture in which the composition is uniform throughout
- a substance that contains two of more elements chemically combined in a fixed proportion, can be broken down
17 Clues: chemical reaction • a substance produced in the reaction • a physical blend of 2 or more components • can be classified as reversible or irreversible • a substance present at the start of the reaction • the process that separates a solid from a liquid • mixture in which the composition is uniform throughout • a property that depends on the type of matter in a sample • ...
U3S2 2021-12-07
Across
- a reactant present in an amount in excess of that required to combine with all of the limiting reactant.
- the reactant that gets consumed first in a chemical reaction
Down
- the number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023.
- It is calculated to be the experimental yield divided by theoretical yield multiplied by 100%.
- The amount that is actually produced in a reaction
- the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
- he maximum possible mass of a product that can be made in a chemical reaction.
- the ratio between the amounts in moles of any two compounds involved in a chemical reaction.
8 Clues: The amount that is actually produced in a reaction • the reactant that gets consumed first in a chemical reaction • he maximum possible mass of a product that can be made in a chemical reaction. • the number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023. • ...
Chemical systems and Equilibrium Crossword 2022-01-27
Across
- when products and reactants reach the same rate and are equal
- a rate at which products are formed
- the release of energy
- yield the amount of product obtained from a lab
- a substance that speeds up a reaction without itself being included in the reaction
- the net charge of an atom due to losing or gaining an electron
- quotient helps determine the state/position of a reaction
- a substance that has OH ions
- the absorption of energy
- the force exerted to compress something such as gas (kPa)
- a state of constant change (never stops)
- gas an unreactive gas that has no impact on equilibrium
- concentration the concentration at the beginning of a reaction
- a rate at which reactants are formed
- describes whether a the products or reactants are favored in a reaction
- yield amount of product obtained from stoichiometry
- equilibria when reactants and products have the same state
- a substance that can be measured using pH
Down
- the formation of a solid compound in a chemical reaction
- the amount of space a object occupies (L/mL)
- reaction when products are formed in a reaction but reactants are reformed
- when a substance is able to dissolve in water
- yield used to calculate the percentage of which products/reactions are favored
- law an equation where k is a constant and the concentration of reactants is used to determine the rate of the reaction
- a table used to differentiate initial change in equilibrium
- equilibria when reactants and products have different states
- measured in mol/L
- rule a rule used when the concentration of a substance is 1000x greater than Keq
- when ions break into separate entities when dissolved in water
- chatelier's principle when equilibrium is disturbed and the system will counteract the disruption by opposing it
30 Clues: measured in mol/L • the release of energy • the absorption of energy • a substance that has OH ions • a rate at which products are formed • a rate at which reactants are formed • a state of constant change (never stops) • a substance that can be measured using pH • the amount of space a object occupies (L/mL) • when a substance is able to dissolve in water • ...
enzymes 2021-01-23
Across
- Scale of acidity or alkalinity.
- A substance on which enzymes act.
- A substance that changes the rate of a chemical reaction without being changed by the reaction itself.
- To construct a larger biological molecule from smaller ones.
- The part of the enzyme to which a specific substrate can attach or fit on to.
- Fat or oils, composed of fatty acids and glycerol.
Down
- Food belonging to the food group consisting of sugars, starch and cellulose.
- A simple sugar used by cells for respiration.
- Naturally occurring compounds of carbon, hydrogen and oxygen.
- The building blocks that make up a protein molecule.
- A protein which catalyses or speeds up a chemical reaction.
11 Clues: Scale of acidity or alkalinity. • A substance on which enzymes act. • A simple sugar used by cells for respiration. • Fat or oils, composed of fatty acids and glycerol. • The building blocks that make up a protein molecule. • A protein which catalyses or speeds up a chemical reaction. • To construct a larger biological molecule from smaller ones. • ...
Science Keyword Crossword Puzzle By: Andrew and Lydia 2017-09-27
Across
- Sugar molecule.
- Organelle found inside a cell, it is the site of cellular respiration.
- Type of long chain sugar molecule that is found in plants.
- Process by which oxygen reacts with glucose to form carbon dioxide, water and energy in the form of ATP.
- Process by which plants make their own sugar, by reacting carbon dioxide with water, in the presence of sunlight to produce sugar and oxygen.
Down
- Type of reaction that requires energy to start the reaction, the energy is absorbed from its surroundings.
- Enzyme which breaks down carbohydrate, and long sugar molecules into glucose.
- Plant cell organelle, where photosynthesis occurs.
- Substances that will interact with each other during a chemical reaction.
- Substances that are formed, from a chemical reaction.
- Structure in the intestine, which enables the absorption of nutrients into the blood.
11 Clues: Sugar molecule. • Plant cell organelle, where photosynthesis occurs. • Substances that are formed, from a chemical reaction. • Type of long chain sugar molecule that is found in plants. • Organelle found inside a cell, it is the site of cellular respiration. • Substances that will interact with each other during a chemical reaction. • ...
Science Vocab 2017-09-27
Across
- Enzyme which breaks down carbohydrate, and long sugar molecules into glucose
- Substances that will interact with each other during a chemical reaction
- Structure in the intestine, which enables the absorption of nutrients into the blood.
- Type of long chain sugar molecule that is found in plants.
- Sugar molecule
- Process by which plants make their own sugar, by reacting carbon dioxide with water, in the presence of sunlight to produce sugar and oxygen
- Plant cell organelle, where photosynthesis occurs
Down
- Type of reaction that requires energy to start the reaction. The energy is absorbed from it's surroundings.
- Respiration process by which oxygen reacts with glucose to form carbon dioxide, water and energy in the form of ATP.
- Substances that are formed, from a chemical reaction.
- Organelle found inside a cell. It is the site of cellular respiration
11 Clues: Sugar molecule • Plant cell organelle, where photosynthesis occurs • Substances that are formed, from a chemical reaction. • Type of long chain sugar molecule that is found in plants. • Organelle found inside a cell. It is the site of cellular respiration • Substances that will interact with each other during a chemical reaction • ...
Key Rocketry Terms 2022-10-04
Across
- Resists change in motion
- Causes acceleration
- increase drag at back of rocket
- reaction mass ejected from rocket engine
- Propels a rocket forward
- Law stating V=IR
- chemical required for rocket fuel to react
- Product of force and time
- Newton's law stating F=ma
- Point of closest orbit
Down
- Change in velocity over time
- Quantity of matter or measure of inertia
- Newton's aw of inertia
- Change in position over time
- Newton's law of Action-Reaction
- height above sea level
- Point of farthest orbit
- heat source causing propellant to combust
18 Clues: Law stating V=IR • Causes acceleration • Newton's aw of inertia • height above sea level • Point of closest orbit • Point of farthest orbit • Resists change in motion • Propels a rocket forward • Product of force and time • Newton's law stating F=ma • Change in velocity over time • Change in position over time • increase drag at back of rocket • Newton's law of Action-Reaction • ...
Elements & Compounds 2022-08-25
Across
- - the number next to a chemical symbol used in chemical formulas
- - a form of matter that has a constant composition and properties that are constant throughout the sample
- - the separation of a compound into its elements used with electric current usually with a battery - a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.
- - a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- - a pure substance of two or more elements chemically combined
- - a set of chemical symbols showing the elements present in a compound and their relative proportions, and in some cases the structure of the compound.
- - element with the chemical symbol "O"
- - chemical compound, living organisms breath this out, CO2
- - chemical compound used to accelerate
Down
- - The location of the atoms, groups or ions relative to one another in a molecule, as well as the number and location of chemical bonds
- - occupies space and has weight
- - element with the chemical symbol "H"
- - a pure substance that cannot be broken down chemically or physically.
- - negative charged electrode that supplies current
- - a notation of one or two letters representing a chemical element
- - positive charged electrode that supplies current
- - compound that can put out fire, also known as H2O
- - the basic unit of a chemical element
18 Clues: - occupies space and has weight • - element with the chemical symbol "H" • - element with the chemical symbol "O" • - the basic unit of a chemical element • - chemical compound used to accelerate • - negative charged electrode that supplies current • - positive charged electrode that supplies current • - compound that can put out fire, also known as H2O • ...
Chapter 2.4 Vocab Crossword Puzzle 2020-11-24
Across
- second step of cellular respiration occurs in eukaryotic cells
- series of chemical reaction that convert the energy in food molecules into useable form of ATP
- produces oxygen into atmosphere
- process by which glucose is broken down
- first step of cellular respiration
- where fermentation occurs
Down
- yeast out of atp process
- reaction to obtain energy from oxygen level
- used to make cheese yogurt and sour cream
- series of chemical reaction to give off oxygen
10 Clues: yeast out of atp process • where fermentation occurs • produces oxygen into atmosphere • first step of cellular respiration • process by which glucose is broken down • used to make cheese yogurt and sour cream • reaction to obtain energy from oxygen level • series of chemical reaction to give off oxygen • second step of cellular respiration occurs in eukaryotic cells • ...
Science 2021-06-03
Across
- Any substance that has mass and takes up space by having volume
- A force of attraction that holds atoms or ions together in a molecule or crystal.
- term used for the elements and compounds after chemical reaction takes place
- the smallest unit of ordinary matter that forms a chemical element.
- term used for the elements and compounds before chemical reaction takes place
Down
- When both sides of a chemical equation have the same number of atoms it is __________
- change, Changes affecting the form of a chemical substance, but not its chemical composition.
- If the numbers of each type of atom are different on the two sides of a chemical equation, then the equation is _________
- the amount of matter in any given object
9 Clues: the amount of matter in any given object • Any substance that has mass and takes up space by having volume • the smallest unit of ordinary matter that forms a chemical element. • term used for the elements and compounds after chemical reaction takes place • term used for the elements and compounds before chemical reaction takes place • ...
Chapter 3 terms Minjin 2021-02-02
Across
- a polysaccharide in animal cells
- enzymes that are the breakdown of proteins
- larger than disaccharide
- the test of proteins
- the cellulose of plant cell walls
- small molecules
- enzymes that are the breakdown of fats
- good fats
- mixtures of fat-ethanol and water
Down
- one of energies which contain starches and sugars
- two monosaccharides
- metabolic reaction controlled by catalysts
- simple sugar of carbohydrates
- a blue solution that is a reducing agent
- make chemical reaction be fast
- contain some kinds of atoms
- fats that dissolve in alcohol not in water
- make chemical reaction be fast
- bad fats
19 Clues: good fats • bad fats • small molecules • two monosaccharides • larger than disaccharide • the test of proteins • simple sugar of carbohydrates • make chemical reaction be fast • contain some kinds of atoms • make chemical reaction be fast • mixtures of fat-ethanol and water • a blue solution that is a reducing agent • ...
Aaron Peacock 2022-03-08
Across
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which two or more substance combine to form a single new substance
- simplest whole ratio of element within a compound
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
Down
- is the maxium amount of a reactant produce
- study of ratios within chemical reactions
- mass of one mole of a substance
- is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
- the substance that will be use up first in chemical reaction
10 Clues: mass of one mole of a substance • study of ratios within chemical reactions • is the maxium amount of a reactant produce • simplest whole ratio of element within a compound • the substance that will be use up first in chemical reaction • is a reaction in which two or more substance combine to form a single new substance • ...
Mr. Sir 2017-03-23
Across
- The number of active molecules in a set volume of solution
- an insoluble compound formed in a precipitation reaction
- a long-chain molecule formed by the joining of many smaller repeating molecules (monomers)
- a reaction that involved oxygen and releases light and heat energy
- a mixaure of a solute dissolved in a solvent such as water
- a reaction in which an acid and a base combine to produce a metal, salt, and water
- A small number of active molecules (such as acid) in a solution
Down
- A strong acid readily releases a hydrogen ion in a chemical reaction
- A molecule that contains only carbon and hydrogen atoms
- an object or substance that can be broken down by bacteria, fungi, and other living organisms
- a small molecule from which polymers are made
- a reaction that involves the breakdown of a compund into simpler substances
- process of joining of smaller units to form a long chain molecule
- A reaction that involves the building up of compounds by combining simpler substance, normally elements
- a substance that increases the rate of a reaction but is not is not used up in the reaction
15 Clues: a small molecule from which polymers are made • A molecule that contains only carbon and hydrogen atoms • an insoluble compound formed in a precipitation reaction • The number of active molecules in a set volume of solution • a mixaure of a solute dissolved in a solvent such as water • A small number of active molecules (such as acid) in a solution • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
Enzymes 2024-02-08
Across
- In human saliva, breaks down starch
- Energy needed to start a reaction
- Substrates undergo chemical changes to form new substances called
- Enzymes act as these because they are not changed during a reaction
- The biological molecule that the enzyme will work on
- How fast our bodies can break stuff down
- A measure of how acidic/basic water is
- A pH rating of 1-6.99
- A pH rating of 7
- Breaks down wase H202 made by cells
- Builds monomers into polymers
- Enzymes control this aspect of chemical reactions
Down
- Adding substrates to an enzyme
- Like poisons can block active sites
- This is added to an enzyme to turn the substrates into products
- What activities enzymes activate
- Factors that affect enzymes
- The unfolding of an enzyme so its shape changes and it no longer works
- Where the substrate temporarily fits into during metabolic reactions
- A pH rating of 7.01-14
- Helps explain the enzyme function, substrate fits into an enzyme like a lock and key
- Removing substrates from an enzyme
- The name of an enzyme typically ends in what three letters
- Proteins made of amino acids required by all chemical processes in organisms
- What is the pH of water
25 Clues: A pH rating of 7 • A pH rating of 1-6.99 • A pH rating of 7.01-14 • What is the pH of water • Factors that affect enzymes • Builds monomers into polymers • Adding substrates to an enzyme • What activities enzymes activate • Energy needed to start a reaction • Removing substrates from an enzyme • In human saliva, breaks down starch • Like poisons can block active sites • ...
States of Matter 2020-05-03
Across
- the temperature at where a substance begins to melt
- when a solid turns into a gas without turning into a liquid
- properties of a substance that are observed during or after a chemical reaction
- the state of a substance that takes the shape of its container and can flow or be poured
- the energy needed fro particles to spread
- when turns water into its solid form
- a very small object that makes up everything
- a substance that occupies physical space
- when steam turns into water
- when the particles in a liquid begin to spread
- a chemical substance that can not be broken down by a chemical reaction
- the state that has a fixed shape and the particles are all packed together
- turning ice into water
Down
- properties of a substance like smell or feel that are observed without changing the composition of matter
- the temperature at when a substance begins to boil
- the amount of substance that makes up an object usually measured in kilograms
- when something becomes larger in size
- when water changes into a gas
- the state of a substance where the particles are spread out and move around rapidly
- the amount of space a substance takes up
- a well thought out opinion
21 Clues: turning ice into water • a well thought out opinion • when steam turns into water • when water changes into a gas • when turns water into its solid form • when something becomes larger in size • a substance that occupies physical space • the amount of space a substance takes up • the energy needed fro particles to spread • a very small object that makes up everything • ...
Biology Ch 1.1, 1.2, 2 2019-09-30
Across
- The smallest unit that can perform all life processes
- The attractive force between two bodies of different substances that are in contract with each other
- molecular subunit of a polymer
- a class of molecules that includes sugar, starches, and fiber
- Substance that has a molecular structure consisting of a large number of similar units bonded together
- All organisms and the part of Earth where they exist
- An atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
- In a solution, the substance that dissolves in the solvent
- In a solution, the substance in which the solute dissolves
- A molecule that acts as a catalyst in biochemical reaction
Down
- A fat molecule that has similar properties
- A substance consisting of atoms or ions of two or more elements that are chemically bonded together
- The smallest unit of an element
- The sum of all chemical processes that occur in an organism
- A community of organisms and their abiotic environment
- A living thing
- A substance that cannot be decomposed into simpler substances by chemical means
- The force that holds molecules of a single material together
- A substance that forms in a chemical reaction
- Measurement of acidity
20 Clues: A living thing • Measurement of acidity • molecular subunit of a polymer • The smallest unit of an element • A fat molecule that has similar properties • A substance that forms in a chemical reaction • All organisms and the part of Earth where they exist • The smallest unit that can perform all life processes • A community of organisms and their abiotic environment • ...
Science Crossword 2023-07-10
Across
- A substance that speeds up a chemical reaction without depleting
- A place where an organism makes its home
- What is the chemical reaction used by micro organisms to convert glucose into energy
- A creature eaten by other animals
- A substance that does not dissolve
- Liquid which has passed through a filter
- nurturances that store fat for the body
- A process that results in changes in the genetic material of a population over time
- A type of stone made when magma or lava cools
Down
- To make a product safe for consumption by heating
- What is the name for a process that breaks up protein and changes its three-dimensional structure
- A material that physically attracts other substances
- A unit of measurement, symbol is v
- An organisms that share characteristics and are able to produce off spring
- What is the name for the selective boiling and subsequent condensation of a component in a liquid mixture
- The name for the group 7 elements
- A negatively charged occurrence that is commonly found in an atom
- A material with small holes that make it able to absorb liquid
- A chemical that contains information on how to make an organism (acronym)
- Organisms that are exact genetic copies
20 Clues: A creature eaten by other animals • The name for the group 7 elements • A unit of measurement, symbol is v • A substance that does not dissolve • nurturances that store fat for the body • Organisms that are exact genetic copies • A place where an organism makes its home • Liquid which has passed through a filter • A type of stone made when magma or lava cools • ...
Unit 2 Shawna Schmitmeyer 2023-04-04
Across
- a process that is not required to spend energy to move molecules across the membrane
- when the active site changes shape
- cells that are combined together
- the diffusion of water across a membrane
- atoms combine together to make this
- organs combine together to make this
- the lone time build up of all the energy required to active the chemical reactions
- molecules combined together make this
- what the substrate turns into at the end of the chemical reaction
- all the organ systems combine make this
- means fear of water and is what the two tail of the phospholipid are
Down
- molecules naturally move apart from being clustered
- organelles combined together to make this
- this is when the cell membrane chooses what goes in and out of the cell
- a part of an enzyme that fits right into the active site
- a special protein that lowers the activation energy needed
- where the substrate should fit perfect and where the chemical reaction happens
- a process that occurs when cells spend energy to move molecules across the membrane through transport proteins
- this makes up the cell membrane
- basic unit of matter
- means water loving and is what the head of the phospholipid are
- tissues combine together
22 Clues: basic unit of matter • tissues combine together • this makes up the cell membrane • cells that are combined together • when the active site changes shape • atoms combine together to make this • organs combine together to make this • molecules combined together make this • all the organ systems combine make this • the diffusion of water across a membrane • ...
Aaron Peacock 2022-03-08
Across
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which two or more substance combine to form a single new substance
- simplest whole ratio of element within a compound
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
Down
- is the maxium amount of a reactant produce
- study of ratios within chemical reactions
- mass of one mole of a substance
- is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
- the substance that will be use up first in chemical reaction
10 Clues: mass of one mole of a substance • study of ratios within chemical reactions • is the maxium amount of a reactant produce • simplest whole ratio of element within a compound • the substance that will be use up first in chemical reaction • is a reaction in which two or more substance combine to form a single new substance • ...
Chemistry Crossword Puzzle 2022-02-16
Across
- Chex Mix
- Type of element that shares electrons to bond
- Type of element that donate electrons to form a bond
- Salt water
- The type of compound that forms between a metal and a nonmetal
- Has mass but not charge
- C₂O₄
- Mg²⁺
- Type of property that describes reactivity, flammability
Down
- Produces new chemical species
- Outermost shell of electrons
- Type of property that describes color, shape, hardness, conductivity
- SO₄²⁻
- Ba(NO₃)₂
- Particle that gives you the mass number
- Gives elements it's properties
- Nickel (III)
- Indicate the number of atoms in a chemical
- More than one atom bonded together
- What atoms are trying to achieve by forming ions
- Core of the atom
- Carbon-13's relationship to Carbon-12
22 Clues: C₂O₄ • Mg²⁺ • SO₄²⁻ • Chex Mix • Ba(NO₃)₂ • Salt water • Nickel (III) • Core of the atom • Has mass but not charge • Outermost shell of electrons • Produces new chemical species • Gives elements it's properties • More than one atom bonded together • Carbon-13's relationship to Carbon-12 • Particle that gives you the mass number • Indicate the number of atoms in a chemical • ...
Super Cool Crossword of Science!!! 2024-05-15
Across
- 6th atomic element
- Two or more elements combined
- Not biotic
- Not abiotic
- Highest point on a wave
- Something that makes it's own food.
- Things on the periodic table
- The product of a chemical change
- Before a chemical change
- Sugar
- Breathing
- Slowest moving state of matter
- Large biological community
- Why plants are green
- What all living organisms need
- How compact something is
Down
- Things like mushrooms and bacteria
- Something that consumes energy other organisms make
- Second fastest moving state of matter
- Process of plants growing
- Chemical reaction usually creating fire
- The heat something has
- Fastest moving state of matter
- What everything is made of
- The powerhouse of the cell!!!
- Group of atoms
26 Clues: Sugar • Breathing • Not biotic • Not abiotic • Group of atoms • 6th atomic element • Why plants are green • The heat something has • Highest point on a wave • Before a chemical change • How compact something is • Process of plants growing • What everything is made of • Large biological community • Things on the periodic table • Two or more elements combined • The powerhouse of the cell!!! • ...
sciene 2025-06-27
Across
- energy a form of energy
- the minimum amount of electricity that a power grid
- a chemical compound
- the rate of change of a quantity
- carries genetics
- a chemical compound
- electric charged
- move objects
- molecule made up of amino acid
- rule a chemical principle
- that is a constituent of RNA
- energy produced by the lactic acid system
Down
- second stage of cell division
- a chemical compound
- trait or gene
- the amount of a substance in a defined space
- third stage of cell division
- physical process of cell division
- area total area of outside surface
- the resting phase of cell division
- a negatively charged ion
- a chemical reaction
- the tendency of an object
- energy the stored energy in an object
- molecule with a net electric charge
25 Clues: move objects • trait or gene • carries genetics • electric charged • a chemical compound • a chemical compound • a chemical compound • a chemical reaction • energy a form of energy • a negatively charged ion • the tendency of an object • rule a chemical principle • third stage of cell division • that is a constituent of RNA • second stage of cell division • molecule made up of amino acid • ...
Chemistry Review 2019-11-04
Across
- Type of reaction where carbon dioxide and water are produced
- Type of reaction where an acid and a base combine
- A metal (usually iron) rusts or is oxidized
- 2 words Examples are coal, oil, natural gas and gasoline
- Installed on smokestacks to prevent harmful products from entering the environment
- Substance containing hydrogen in solution with a pH less than 7
Down
- Chemical in the air that causes harm to living things or the environment
- Process of applying a zinc coating to protect iron or steel
- 2 words One of the key greenhouse gases that scientists are most concerned with
- 2 words Gas that traps heat in Earth's atmosphere preventing heat from escaping into space
- Substance usually containing hydroxide with a pH greater than 7
- Compounds produced in a chemical reaction
12 Clues: Compounds produced in a chemical reaction • A metal (usually iron) rusts or is oxidized • Type of reaction where an acid and a base combine • 2 words Examples are coal, oil, natural gas and gasoline • Process of applying a zinc coating to protect iron or steel • Type of reaction where carbon dioxide and water are produced • ...
CHEMDYNAMIC CROSSWORD PUZZLE 2025-03-16
Across
- The gas taken in by plants at night for respiration.
- The force that holds atoms together in a molecule.
- Map A tool used to visually represent concepts and their relationships.
- A type of weak attraction between molecules, important in determining boiling points.
- A technique used to explore students’ understanding through verbal questioning.
- The scientist who developed a methodology for diagnostic tests in science education.
- The subject where students often struggle with misconceptions about bonding and structure.
Down
- The gas released by plants during photosynthesis.
- The element that forms the backbone of organic molecules.
- A test designed to identify students' misunderstandings in science.
- A common misconception about covalent bonding is that it involves the transfer of ____.
- The process in which green plants convert light energy into chemical energy.
- The type of chemical bond where electrons are shared between atoms.
- The study of matter and its interactions.
- The type of chemical reaction where bonds are broken and new substances form.
15 Clues: The study of matter and its interactions. • The gas released by plants during photosynthesis. • The force that holds atoms together in a molecule. • The gas taken in by plants at night for respiration. • The element that forms the backbone of organic molecules. • A test designed to identify students' misunderstandings in science. • ...
Type I hypersensitivity 2025-05-02
Across
- People who are more likely to have these reactions are called ___ individuals
- For histamine release, mast cells (process name)
- Reexposure to antigen can lead to a local reaction or systemic ____
- This cytokine promotes Th2 cells and activates eosinophils
- Secondary mediator-linked vasodilation can lead to ___
- It takes ___ for this reaction to begin
- A quick easy way to test for type 1 hypersensitivities
- Mediators released by mast cells that enable SM contraction, vascular permeability and gland secretion are___
- Secondary mediator creation uses which chemical pathway?
- Are reactions only to harmless antigens?
- The first stage of type 1 hypersensitivities is called the ___ phase
- Mast cell degranulation releases histamine, chemotactic factors and ____
- Itchiness is caused by the
Down
- Late-phase reaction of the nose
- This can be administered to counteract low blood pressure and bronchospasms
- The effector phase involves the immediate hypersensitivity reaction and the ___ reaction
- The second stage of this reaction is called the ___ phase
- The effector phase happens after ___ to the antigen
- Redness seen in type 1 hypersensitivity can be explained by ____
- The main antibody involved here is ___
- Respiratory effects of secondary mediators include
- Type I hypersensitivities are classified as ____, due to their timeframe
- Both primary and secondary mediators contribute to the production of ___
- IgE binds to __ receptors during sensitisation
- Atopic individuals have higher IgE levels because they have more IL-4 producing ___ cells
25 Clues: Itchiness is caused by the • Late-phase reaction of the nose • The main antibody involved here is ___ • It takes ___ for this reaction to begin • Are reactions only to harmless antigens? • IgE binds to __ receptors during sensitisation • For histamine release, mast cells (process name) • Respiratory effects of secondary mediators include • ...
Chemistry 2.1 (as, a level) organic chemistry 2025-06-30
Across
- Reaction where an atom is replaced by a different atom or group
- Species that donates a lone pair of electrons to form a bond
- Series of compounds with same functional group but differing by CH₂
- Process that breaks long alkanes into shorter hydrocarbons
- Compound with a halogen atom replacing hydrogen in an alkane
- Molecule containing at least one double or triple bond
- Saturated hydrocarbon with single C–C bonds
- Reaction of hydrocarbons with oxygen to produce CO₂ and H₂O
- Reaction adding water across a double bond
- Species attracted to electron-rich regions
- Technique used to separate liquids based on boiling point
- Intermediate with a positively charged carbon atom
Down
- Formula showing the arrangement of atoms in a molecule
- Reaction where atoms add across a double bond
- GROUP Group of atoms responsible for chemical reactions of a compound
- Compound containing only carbon and hydrogen
- Method of producing ethanol from sugars
- Molecule containing only single bonds
- SUBSTITUTION Mechanism for reactions of haloalkanes with hydroxide ions
- Unsaturated hydrocarbon with a C=C double bond
- Formula showing all bonds in a molecule
- ADDITION Mechanism for reactions of alkenes with halogens or hydrogen halides
- Technique used to heat a reaction mixture without losing volatile substances
- Reaction turning a primary alcohol into an aldehyde or acid
- Compounds with same molecular formula but different structure
25 Clues: Molecule containing only single bonds • Method of producing ethanol from sugars • Formula showing all bonds in a molecule • Reaction adding water across a double bond • Species attracted to electron-rich regions • Saturated hydrocarbon with single C–C bonds • Compound containing only carbon and hydrogen • Reaction where atoms add across a double bond • ...
CROSSWORD PUZZLE ON PLANT NUTRITION 2013-09-02
Across
- Tiny holes that allow gases in and out of a leaf.
- energy Type of energy that is used by plants to make photosynthesis.
- One of the processes that can be done inside the plant by the use of glucose. This process also requires minerals to make new chemical substances.
- Chemical reaction where energy is used to convert CO2 and H2O into glucose and oxygen.
- Plants are known as the ______ because they provide food for other organisms.
- _______ layer :Layer with large air spaces between the cells that allow gases to difuse .
- Plant´s organ where food is made.
- Where plants can get minerals and water from.
- A gas needed by plants for photosynthesis is _______ dioxide.
Down
- Simple sugar made by plants .
- To find out if a leaf has glucose or not, a ________ test can be done.
- Plants that do not contain chlorophyll in parts of the leaf.
- Substances needed by plants to keep healthy.
- Mineral used by the plant to make flowers and fruit.
- Liquid that travels to chloroplast by osmosis.
- Green pigment of plants.
- Transparent layer that protects the leaf.
- panels Sun light is absorbed by plants to make photosynthesis, therefore, plants are similar to __________.
- Most of the minerals used by plants are found in _________ .
- reaction Photosynthesis is an example of a ___________.
20 Clues: Green pigment of plants. • Simple sugar made by plants . • Plant´s organ where food is made. • Transparent layer that protects the leaf. • Substances needed by plants to keep healthy. • Where plants can get minerals and water from. • Liquid that travels to chloroplast by osmosis. • Tiny holes that allow gases in and out of a leaf. • ...
Metabolism Crossword 2018-02-19
Across
- A chemical reaction that builds up large molecules.
- A stored form of glucose in plants.
- The green pigment chemical that is important for the process of photosynthesis.
- Another term for a catabolic pathway.
- The substance that extracts the green pigment from leaves.
- A type of animal that uses energy from other sources, such as the sun, to keep themselves warm.
- Another term for an anabolic pathway.
- Organisms that need to obtain their food from eating other organisms.
- A plant that is placed in a dark cupboard for 2 days.
Down
- A chemical reaction that breaks down large molecules.
- An organelle found in plants that contains chlorophyll.
- An opening on the underside of leaves that allow gases to move in and out of the leaf.
- A type of animal that uses energy obtained from food to keep its body warm.
- A process of obtaining energy.
- The metabolic process of making food and oxygen by using up water and carbon dioxide.
- Organisms that can make their own food.
- Simplest food molecule formed through the process of photosynthesis.
- The metabolic process of breaking down food using oxygen and producing water and carbon dioxide as waste products.
- An external source of energy that is necessary for photosynthesis.
- Food is required to carry out this process.
20 Clues: A process of obtaining energy. • A stored form of glucose in plants. • Another term for a catabolic pathway. • Another term for an anabolic pathway. • Organisms that can make their own food. • Food is required to carry out this process. • A chemical reaction that builds up large molecules. • A chemical reaction that breaks down large molecules. • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
Chemical and Physical change 2024-09-13
Across
- One of the forms that matter can take, such as solid, liquid or gas
- A change in matter that does not form new substances
- A physical change from a gas to a solid
- Any substance that can burn
- A physical change from a liquid to a gas
- The breakdown of food by physical and chemical changes
- A substance with a fixed volume that flows and changes shape
- A chemical change where a substance burns
- A physical change from a gas to a liquid
- A reaction that absorbs heat
Down
- An atom or molecule
- A physical change from a liquid to a solid
- A reaction that releases heat
- An attractive force that holds two atoms together
- A physical change from a solid to a gas
- Any substance that takes up space and has mass
- A physical change from a solid to a liquid
- A chemical change where iron combines with oxygen and water
- A change in matter that forms one or more new substances
- A substance with no fixed shape or volume
- A substance with a fixed shape and volume
- A physical change where two or more substances are combined
- A physical change where a solid spreads through a liquid
23 Clues: An atom or molecule • Any substance that can burn • A reaction that absorbs heat • A reaction that releases heat • A physical change from a solid to a gas • A physical change from a gas to a solid • A physical change from a liquid to a gas • A physical change from a gas to a liquid • A substance with no fixed shape or volume • A substance with a fixed shape and volume • ...
Puzzle 4 2022-12-10
Across
- bacterium found in soil that helps in fixing nitrogen in leguminous plants
- Hepatitis is a general term for a disease that is caused by
- positive catalyst ------ the rate of reaction in a chemical reaction
- Impure camphor is purified by
- ray with the highest penetrating power?
- Which element is found in the highest amount in the universe?
- ____ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.
- Purest form of iron?
- NaHCO3 is chemical formula for ___________.
Down
- What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
- ------ systems of the body primarily attacked by the HIV?
- Which organ of the body produces the fluid known as bile?
- Edward Jenner started ------
- If the pH value of a substance is lower than 7, it would be considered as ----
- ----- Power is the clean source of energy
- In which part of the body does digestion of protein starts?
- Sodium silicate is the chemical name of which mineral
- ------- hardness of water may be removed by the addition of sodium carbonate
- What is the unit of Curie?
- Brain and the spinal cord are invested by membranes called:
20 Clues: Purest form of iron? • What is the unit of Curie? • Edward Jenner started ------ • Impure camphor is purified by • ray with the highest penetrating power? • ----- Power is the clean source of energy • NaHCO3 is chemical formula for ___________. • Sodium silicate is the chemical name of which mineral • ------ systems of the body primarily attacked by the HIV? • ...
