chemical reaction Crossword Puzzles
Energy & Matter in Ecosystems 2024-09-03
Across
- to link two or more things
- an ending substance that is made during a chemical reaction
- the tiny pieces that all matter is made of
- a type of energy storage molecule
- an organism that can make its own energy storage molecules
- all the living and nonliving things interacting in a particular area
- a set of interacting parts forming a complex whole
- an organism that gets energy by breaking down dead matter
- a closed ecosystem made by humans
- a type of atom that makes up molecules such as carbon dioxide
Down
- the nonliving parts of an ecosystem
- the part of a cell where photosynthesis happens
- matter the living and dead organisms in an ecosystem
- living things, such as plants, animals, and bacteria
- a starting substance that is part of a chemical reaction
- a group of atoms joined together in a particular way
- an organism that needs to eat in order to get energy
- the ability to make things move or change
- the part of a cell where cellular respiration happens
19 Clues: to link two or more things • a type of energy storage molecule • a closed ecosystem made by humans • the nonliving parts of an ecosystem • the ability to make things move or change • the tiny pieces that all matter is made of • the part of a cell where photosynthesis happens • a set of interacting parts forming a complex whole • ...
Criss Cross Applesauce 2025-03-19
Across
- a coloring effect occurring in a plant or animal
- Fermentation the anaerobic transformation of glucose into ethanol and CO2
- Respiration process that releases energy by breaking down glucose
- process in which cells release energy without the use of oxygen
- Cycle second stage of cellular respiration
- molecule involved in transferring and providing cells with energy
- the organelle in plants where photosynthesis takes place
- the fibrous connective tissue within a chloroplast
- Independent Reactions chemical reaction that converts CO2 into glucose
Down
- is produced along with ATP and is transferred to the light independent reaction during photosynthesis
- light energy being converted into chemical energy(glucose)
- with oxygen
- Acid Fermentation a process where cells(muscle cells) produce ATP without oxygen
- the preparation stage of cellular respiration that turns glucose into pyruvate
- Dependent Reactions converts light energy into chemical energy
- compound used by cells to store and release energy
- Transport Chain series of electron carrier proteins that carry electrons to make ATP
- tissue in the mitochondria that surrounds and holds the cell together
- the flattened fluid like membranes in the chloroplast where the light dependent reaction occurs
- without oxygen
20 Clues: with oxygen • without oxygen • Cycle second stage of cellular respiration • a coloring effect occurring in a plant or animal • compound used by cells to store and release energy • the fibrous connective tissue within a chloroplast • the organelle in plants where photosynthesis takes place • light energy being converted into chemical energy(glucose) • ...
Cellular Respiration 2025-09-03
Across
- the first step of cellular respiration where, in the cytoplasm, glucose turns into pyruvate.
- product of cellular respiration, reactant needed for photosynthesis
- A carbohydrate needed for cellular respiration
- uncharged molecule in cellular respiration that can be charged and turned into NADH
- Charged molecule used to make ATP in Cellular respiration
- A form or aerobic respiration that happens in the
- example of anaerobic respiration
- A way of creating a little ATP without using oxygen
- example of anaerobic respiration
- product of photosynthesis, reactant in cellular respiration
Down
- final step of cellular respiration where ATP and water is produced
- (output) Substances present at the end of a chemical reaction
- A product of glycolysis used in the krebs cycle
- (input) Substances present at the beginning of a chemical reaction
- amounts of ATP are created.
- Glucose + Oxygen → ATP + Carbon Dioxide + Water
- A way of creating a lot of ATP using oxygen
- Uncharged molecule that can be turned into ATP to store energy
- A biological molecule used to build the body or act as an enzyme
- The second step of cellular respiration where
20 Clues: amounts of ATP are created. • example of anaerobic respiration • example of anaerobic respiration • A way of creating a lot of ATP using oxygen • The second step of cellular respiration where • A carbohydrate needed for cellular respiration • A product of glycolysis used in the krebs cycle • Glucose + Oxygen → ATP + Carbon Dioxide + Water • ...
UNIT 3 2022-12-27
Across
- electrons transfer from one reaction to another
- is the totality of an organism's chemical reaction
- is the specific site of photosynthesis in plant cells
- converts light energy to the chemical energy of food
Down
- is a partial degradation of sugar that occurs without the presence of O2
- is the study of energy transformation that occurs in matter
- harvests chemical energy by oxidizing glucose to pyruvate
- powers cellular work by coupling exergonic reactions to endergonic reactions
8 Clues: electrons transfer from one reaction to another • is the totality of an organism's chemical reaction • converts light energy to the chemical energy of food • is the specific site of photosynthesis in plant cells • harvests chemical energy by oxidizing glucose to pyruvate • is the study of energy transformation that occurs in matter • ...
Unit 1: Proteins & Genetic Engineering 2023-01-12
Across
- enzyme involved in a synthesis reaction
- part of an enzyme substrates bind to
- the enzyme which breaks down starch
- an enzyme becomes this at high temperatures
- found on the right hand side of an enzyme equation
Down
- a protein which is part of the immune system
- a protein which detects stimuli then produces a response
- protein which speeds up reactions
- used to insert genes into plasmids
- the enzyme which breaks down hydrogen peroxide
- conditions at which an enzyme works best
- enzymes are known as this as they bind to only one substrate
- a chemical messenger
- removed from a bacterial cell for genetic engineering
- a reaction in which a larger substance is broken down
- a reaction in which substances are joined together
16 Clues: a chemical messenger • protein which speeds up reactions • used to insert genes into plasmids • the enzyme which breaks down starch • part of an enzyme substrates bind to • enzyme involved in a synthesis reaction • conditions at which an enzyme works best • an enzyme becomes this at high temperatures • a protein which is part of the immune system • ...
Year 8 Chemical Reaction Crossword Puzzle 2 2025-06-16
Across
- A characteristic of a substance that can be observed or measured is known as ……………………..
- A characteristic that can be observed or measured by performing a chemical reaction. It can describe how a substance behaves during a chemical reaction is known as ……………………….. property.
- Information gathered through observations or experiments to support ideas and hypotheses is known as evidence.
Down
- A representation of a chemical reaction using the names of the substances involved is known as ……………… equation
- A characteristic that can be observed or measured without changing the chemical composition of the substance is known as ………………………. property
- A representation of a chemical reaction using symbols and formulae of the substances involved is known as chemical ………………………
6 Clues: A characteristic of a substance that can be observed or measured is known as …………………….. • A representation of a chemical reaction using the names of the substances involved is known as ……………… equation • Information gathered through observations or experiments to support ideas and hypotheses is known as evidence. • ...
Properties of Matter Unit 6 Vocabulary Review 2022-10-25
Across
- 1000 calories; kilocalorie
- amount of energy needed to raise the temperature of 1 gram of water 1 degree Celsius
- long molecule found in oils and other foods
- light will pass through
- chemical that comprises sugars and starches
- government organization overseeing food and drug safety
- substance in wheat that allows dough to stretch
Down
- substance that prevents chemical reaction with oxygen
- substance that makes a flavor stronger
- starch molecules that are smaller than beta-starch and are easier to digest
- substance added to prevent food spoilage
- chemical made from amino acids found in meats, nuts, and dairy products
- substance used to detect the presence of another substance
- device for measuring the calories in a substance
- chemical process in which yeast reacts to produce carbon dioxide
- starch formed from along rigid chains of glucose
16 Clues: light will pass through • 1000 calories; kilocalorie • substance that makes a flavor stronger • substance added to prevent food spoilage • long molecule found in oils and other foods • chemical that comprises sugars and starches • substance in wheat that allows dough to stretch • device for measuring the calories in a substance • ...
Vocabulary Review 2023-12-09
Across
- Gases group that is found in Group 18 and have a full shell
- positive charge and in the nucleus of an atom
- electrons that are found on the outermost shell
- process by which an unstable nucleus is hit by a neutron and splits into small nuclei
- reaction is where the physical appearance is changed
- bond where atoms share electrons by two non-metals
- the substance that is dissolving the solute. Ex: Sugar
- reaction where energy is being released out
Down
- reaction is where two or more substances form a new substance
- has no charge and the same mass of a proton
- reaction where energy is being absorbed in
- caused by the uneven sharing of electrons
- process by which a small nuclei combine together to form a heavier nuclei
- bond where atoms exchange electrons between a metal and non-metal
- any things that have mass and a volume
- the substance that is being dissolved. Ex: Salt
- smallest unit of all matter
- elements that border the stair-step line
18 Clues: smallest unit of all matter • any things that have mass and a volume • elements that border the stair-step line • caused by the uneven sharing of electrons • reaction where energy is being absorbed in • has no charge and the same mass of a proton • reaction where energy is being released out • positive charge and in the nucleus of an atom • ...
Chem Unit 3 Topic 1 and 2 2024-09-05
Across
- Principle describing the shift in equilibrium in response to external changes.
- The gain of electrons during a chemical reaction.
- Ratio of the concentration of products to reactants at equilibrium.
- A state where the forward and reverse reactions occur at the same rate.
Down
- Reactions that involve both oxidation and reduction.
- Devices that convert chemical energy into electrical energy.
- Reactions that can proceed both forward and backward.
- The loss of electrons during a chemical reaction.
8 Clues: The gain of electrons during a chemical reaction. • The loss of electrons during a chemical reaction. • Reactions that involve both oxidation and reduction. • Reactions that can proceed both forward and backward. • Devices that convert chemical energy into electrical energy. • Ratio of the concentration of products to reactants at equilibrium. • ...
BIO 111: Vocabulary Review p.2 2016-08-20
Across
- Substances that interact with water
- The cytosol of the chloroplast
- Donates electrons to begin the light reaction
- Disorder
- Principle pigment in photosynthesis
- Opening on the surface of a leaf to allow for gas exchange
- Most plentiful enzyme on Earth?
- Process that transforms glucose into pyruvate
- The final electron acceptor in cellular respiration
- The highly folded inner membrane of a mitochondrion
- Processes that occur in the absence of oxygen
- Disc-shaped, stacked membranes in a chloroplast
- Simple organic compound that consists of a carboxyl and amine group
Down
- _______ cycle that uses the energy from the light reaction
- A principal chemical compound that stores energy
- Water fearing
- Single-celled organisms
- Protein that acts as a biological catalyst
- Light absorbing molecules
- First molecule produced in the Krebs cycle
- Organisms that produce their own energy from converted solar energy
- Result of an enzymatic reaction
- Site of protein synthesis
- Incapable of being dissolved
24 Clues: Disorder • Water fearing • Single-celled organisms • Light absorbing molecules • Site of protein synthesis • Incapable of being dissolved • The cytosol of the chloroplast • Result of an enzymatic reaction • Most plentiful enzyme on Earth? • Substances that interact with water • Principle pigment in photosynthesis • Protein that acts as a biological catalyst • ...
Grade 9 Chemistry 2023-11-16
Across
- The gas produced when a metal reacts with an acid
- This was used by Rutherford to discover the nucleus
- He discovered the neutron
- When a metal reacts with water a metal _______ is formed
- Ice melting is an example of this kind of reaction
- This element has the symbol K
- The number that tells you how many protons are in an atom
- This element has the symbol Na
- A pale yellow gas that is a halogen
- One of the alkali metals
- These particles have a positive charge
Down
- A chemical reaction in which energy is given out
- These particles have a negative charge
- Any reaction where a substance combines with oxygen
- This element has the symbol C
- This is used to measure temperature changes
- The number that tells you the number of protons and neutrons in an atom
- One of the noble gases
- Another term for burning
- A yellowish green gas that is a halogen
20 Clues: One of the noble gases • Another term for burning • One of the alkali metals • He discovered the neutron • This element has the symbol C • This element has the symbol K • This element has the symbol Na • A pale yellow gas that is a halogen • These particles have a negative charge • These particles have a positive charge • A yellowish green gas that is a halogen • ...
Science Crossword 2023-12-11
Across
- an atom with more Neutrons than it would usually have
- the ability for 2 substances to react with eachother
- 2 or more simple materials combine to make 1 complex compound
- sub-atomic particle with a negative charge
- a bond between a metal and a nonmetal
- sub-atomic particle with a positive charge
- a reaction that produces heat, water, and carbon dioxide
- elements found on the left side of the periodic table
- what is required for any reaction
- a change that cannot be undone
Down
- 1 complex compound is reduced to 2 or more simpler materials
- this equals Mass divided by Volume
- a bond between 2 nonmetals
- an atom with more Electrons than it would usually have
- heat is taken in
- sub-atomic particle with a neutral charge
- heat is given off
- a change that can be undone
- what is found at the end of any reaction
- elements found on the right side of the periodic table
20 Clues: heat is taken in • heat is given off • a bond between 2 nonmetals • a change that can be undone • a change that cannot be undone • what is required for any reaction • this equals Mass divided by Volume • a bond between a metal and a nonmetal • what is found at the end of any reaction • sub-atomic particle with a neutral charge • sub-atomic particle with a negative charge • ...
Thermochemistry Crossword 2024-06-09
Across
- If this is greater so will a substances specific heat capacity
- A state change from liquid to gas
- Reaction that releases heat
- A state change from liquid to solid
- A graph that shows the correlation between heat and temperature of a substance
- Standard unit of heat and energy
- The standard unit of temperature
- Reaction that absorbs heat
- Heat change in a reaction
- The unit of temperature commonly used in heat calculations
Down
- The amount of heat needed to raise the temperature of a substance by 1C
- The study of heat changes
- The accurate measurement of heat changes in physical and chemical processes
- State change from liquid to gas
- State change from solid to gas
- The quantity of heat needed to raise the temperature of 1g of water by 1C
- The device used to measure the release of absorption of heat
- Energy used to cause an object with mass to move
- Symbol that represents change in something
- The ability to do work or transfer heat
20 Clues: The study of heat changes • Heat change in a reaction • Reaction that absorbs heat • Reaction that releases heat • State change from solid to gas • State change from liquid to gas • Standard unit of heat and energy • The standard unit of temperature • A state change from liquid to gas • A state change from liquid to solid • The ability to do work or transfer heat • ...
Chapter 5: Transport and Energy 2025-12-07
Across
- Moving large molecules out of a cell.
- Requires proteins but no energy (____ Diffusion)
- A reaction that takes in energy
- Molecules moving without proteins or energy(____ Transport)
- States of matter depend on this type of energy
- In cell=20% solution, out of cell=20% solution
- In cell=20% solution, out of cell=50% solution
- Diffusion of water across a selectively permeable membrane
- the total of all reactions in a cell
- If solutes from a 20% solution go into a 80% solution (___ Transport)
Down
- ATP turning into ADP to provide the cell with energy
- In cell=50% solution, out of cell=20% solution
- Particles moving into available space.
- "cell eating"
- A reaction where the activation energy is greater than the energy of the products.
- Energy of motion.
- A bike at the top of a hill (___ energy)
- The energy that ATP uses to fuel the cell
- Law of conservation (____ law of thermodynamics)
- Every reaction increases the entropy of the universe (____ law of thermodynamics)
20 Clues: "cell eating" • Energy of motion. • A reaction that takes in energy • the total of all reactions in a cell • Moving large molecules out of a cell. • Particles moving into available space. • A bike at the top of a hill (___ energy) • The energy that ATP uses to fuel the cell • In cell=50% solution, out of cell=20% solution • States of matter depend on this type of energy • ...
Chemistry of Life 2 2022-10-21
Across
- a substance that tastes bitter and has extra hydroxide ions
- a connection between two atoms
- the ability of water to resist gravity
- sticking together--a property of water
- the ability of water to climb up a small tube
- a substance in which electrons can easily move around
Down
- a reaction that releases energy
- a reaction that uses energy
- sticking to other polar molecules--a property of water
- a substance in which electrons mostly stay in place but can jump on and off the surface
- when chemical bonds are formed or broken
- a substance that changes color depending on acidity
- a measure of acidity
- an atom or molecule that has a charge
- a substance that tastes sour and has extra hydrogen ions
15 Clues: a measure of acidity • a reaction that uses energy • a connection between two atoms • a reaction that releases energy • an atom or molecule that has a charge • the ability of water to resist gravity • sticking together--a property of water • when chemical bonds are formed or broken • the ability of water to climb up a small tube • ...
Trendy elements 2022-09-13
Across
- A transition metal used in the production of margarine
- Another product of the reaction of a group 1 metal with water
- an insoluble solid which is formed from the reaction between two soluble solutions
- (5,5) The reaction of a metal with oxygen, known to cause the dullness on the surface of a metal
- (9,5) The alloy formed when nickel and chromium are mixed with iron
- (5,9) A product of the reaction of a group 1 metal with water
- Term used to name the vertical columns of the periodic table
Down
- The least reactive group 1 metal
- A certain substance known to turn universal indicator blue
- Term used to describe something that can be drawn into a wire
- Element that is found in period 3, group 5
- The alloy formed when copper and zinc are mixed
- Term used to name the horizontal rows of the periodic table
- Elements that have properties that are similar to both metals and non-metals
- (5,5) name of the group 8/0 elements
- A substance that speeds up the process of a chemical reaction without being consumed
- A mixture of two or more metals which can also contain carbon
17 Clues: The least reactive group 1 metal • (5,5) name of the group 8/0 elements • Element that is found in period 3, group 5 • The alloy formed when copper and zinc are mixed • A transition metal used in the production of margarine • A certain substance known to turn universal indicator blue • Term used to name the horizontal rows of the periodic table • ...
Enzymes crossword 2021-10-07
Across
- If this increases the rate of the reaction also increases because there are more active enzymes.
- The model of the enzyme that shows the substrate fitting perfectly into the active site.
- A specific type of enzyme inhibition characterized by an inhibitor binding to an allosteric site resulting in decreased efficacy of the enzyme.
- Enzyme activity increases with this; more collision between substrate molecules and the enzyme.
- It is loaded into the active site of the enzyme.
- The energy necessary to turn the substrate into a product.
- Is a structural change in a protein that results in the loss (usually permanent) of its biological properties.
- Large and complex molecules that play many critical roles in the body.
- Molecule that bind to the enzyme and inhibit the enzymes function.
Down
- The temperature at which an enzyme catalyses a reaction at the maximum rate.
- Change in the shape of an enzyme's active site that enhances the fit between the active site and its substrate(s).
- A substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics.
- A type of protein that speeds up a chemical reaction in a living thing.
- The specific region of an enzyme where a substrate binds and catalysis takes place or where chemical reaction occurs.
- Specific pH at which an enzyme works the fastest.
15 Clues: It is loaded into the active site of the enzyme. • Specific pH at which an enzyme works the fastest. • The energy necessary to turn the substrate into a product. • Molecule that bind to the enzyme and inhibit the enzymes function. • Large and complex molecules that play many critical roles in the body. • ...
Reptile Conservation Activity Crossword Puzzle 2022-11-30
Across
- A chemical reaction that takes in (absorbs)heat.
- Features that the device must have to be successful.
- The look or feel of leather.
- Being pushed, pulled, moved quickly or in a hard way.
- The movement of something from one place to another.
- Beginning at birth and lasting until death.
- To keep something safe and warm so that it can grow.
- A chemical reaction that produces (out) heat.
Down
- Possible problems that might prevent the device from successfully meeting all the criteria.
- Lasting for only a limited period of time.
- The position of something, ex: sitting up write, laying down, horizontal, vertical....
- A round or oval object that contains what may become a young bird, reptile, insect, or other animal.
- A physical place that something is.
- A group of cold-blooded animals which lay eggs and have skins covered with small, hard plates called scales.
- Able to be easily carried or moved.
- A thing made for a particular purpose.
- The protection of things found in nature.
17 Clues: The look or feel of leather. • A physical place that something is. • Able to be easily carried or moved. • A thing made for a particular purpose. • The protection of things found in nature. • Lasting for only a limited period of time. • Beginning at birth and lasting until death. • A chemical reaction that produces (out) heat. • ...
Work/Energy Vocab 2023-03-10
Across
- careful management of the environment and natural resources
- energy the mechanical energy that a body has by virtue of motion
- forceful exertion
- energy that part of the energy a substance that can be released by chemical reaction
- spectrum the entire frequency range of electromagnetic waves
- energy energy that is transmitted in the form of radiation
- of conservation of energy the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
Down
- energy potential energy that is sorted when a body is deformed
- activity directed toward making or doing something
- energy energy stored by a body or system by virtue of its position
- energy the energy released by a nuclear reaction
- the force of attraction between all masses in the universe
- a unit of electrical energy
- output the energy given by the machine to do useful work
- skillfulness in avoiding wasted time and effort
- a measurement of mass in motion
- energy energy in a mechanical form
- energy energy made available by the flow of electric charge through a conductor
- input the amount of energy supplied to the machine
19 Clues: forceful exertion • a unit of electrical energy • a measurement of mass in motion • energy energy in a mechanical form • skillfulness in avoiding wasted time and effort • energy the energy released by a nuclear reaction • activity directed toward making or doing something • input the amount of energy supplied to the machine • ...
Change Detectives 2012-09-16
Across
- Two things are mixed together to form a _____ reaction
- When vinegar evaporates it creates a strong smelling v_____
- An ice cube is an example of a _____
- Water is an example of ______
- When a liquid heats up, it will e_____ and form a gas
- When steam cools down, c______ forms droplets of water
- Lots of tiny p_____'s make up all objects
- Candles will go out if they do not have enough of this
- When water turns into ice
Down
- An object changes p_____ state between a solid, liquid or gas
- When a solid powder can be mixed into a liquid and can no longer be seen
- Oxygen is an example of a ____
- The chemical reaction that creates fire
- Chocolate can be overcooked, then it will b____
- Chocolate and ice can _____ and change state
- A s_____ is made from particles and can be a solid, liquid or gas
- Heat produces e_____ that can cause a physical change
17 Clues: When water turns into ice • Water is an example of ______ • Oxygen is an example of a ____ • An ice cube is an example of a _____ • The chemical reaction that creates fire • Lots of tiny p_____'s make up all objects • Chocolate and ice can _____ and change state • Chocolate can be overcooked, then it will b____ • When a liquid heats up, it will e_____ and form a gas • ...
Science 2025-11-18
6 Clues: - Tiny number behind an element • - On the right side of a chemical reaction • - A large number used to balance equations • -Enter a chemical reaction on the left side • - Reaction that involves the exchange of positive ions • - An arrow that goes in the middle of a reactant's sides
Chapter 18 2017-05-04
Across
- First part small intestine
- carbohydrates sugars are called (two words
- Large molecules that contain carbon
- Fat is broken down into smaller molecules
- Main source of energy
- Substances in food that give energy
- carbohydrate Two types of carbohydrates are starch and fiber called (two words)
- Enzyme produced by glands near the mouth
- Build up cells
- Also called lipids necessary provide energy
Down
- digestion When chemical break drown molecules of food (two words
- Regulation of body's internal environment such as temperature
- acids Molecule of protein made of smaller units called (two words)
- Process when food breaks down
- Watery liquid moves out of stomach
- digestion When food is mixed and chewed (two words)
- Increases surface area of small intestine so nutrients can absorbed
- Regulating body functions and prevent diseases
- Speeds up chemical reaction
- Watery substance in your mouth
- group Food that has same nutrient (two words)
21 Clues: Build up cells • Main source of energy • First part small intestine • Speeds up chemical reaction • Process when food breaks down • Watery substance in your mouth • Watery liquid moves out of stomach • Large molecules that contain carbon • Substances in food that give energy • Enzyme produced by glands near the mouth • Fat is broken down into smaller molecules • ...
Acids and Bases Crossword 2015-04-28
Across
- H+ or hydrogen ion in acid
- common acid indicator, red and blue ___
- the taste of bases
- common name for acetic or ethanoic acid
- Every acid produces a ____ base in water
- reaction of acid with base
- dissolved mixtures of solute in solvent
- substance that can act as an acid or a base
- pH equals the negative ____ of ion concentration
- Electrical property of both acids and bases
- one of the common strong acids (used in batteries)
Down
- a substance with a pH less than seven
- Lewis model of acids identifes substances that transfer ____ pairs
- chemical that react with acids or bases by changing color
- OH- or ion found in bases
- chemical that resists changes to pH by absorbing ions
- the formation of ions in solution
- Acid-Base model which defines hydrogen ion producers
- chemical property of acids decomposes other chemicals
- means basic or pH above 7
20 Clues: the taste of bases • OH- or ion found in bases • means basic or pH above 7 • H+ or hydrogen ion in acid • reaction of acid with base • the formation of ions in solution • a substance with a pH less than seven • common acid indicator, red and blue ___ • common name for acetic or ethanoic acid • dissolved mixtures of solute in solvent • Every acid produces a ____ base in water • ...
Unit 1 Vocabulary - 11th 2025-08-26
Across
- shared strength
- forming or resembling
- to dissolve
- a molecule where electrons are shared evenly, so there are no charged poles
- to pour
- a type of chemical bond formed when one atom gives electrons to another, creating charged particles
- having poles
- a charged particle
- a reaction that releases heat/energy into its surroundings
- a chemical bond where atoms share electron pairs
- a basic part
- heat
- acid
Down
- naturally occurring chemical compound that contains nitrogen and usually has strong effects on the body
- a molecule where electrons are shared unevenly, creating positive and negative poles
- the movement of particles from an area of high concentration to an area of low concentration
- the ability of a substance to dissolve in another substance
- tastes sour, reacts with bases and some metals
- together
- a pure substance made up of only one type of atom
- out
21 Clues: out • heat • acid • to pour • together • to dissolve • having poles • a basic part • shared strength • a charged particle • forming or resembling • tastes sour, reacts with bases and some metals • a chemical bond where atoms share electron pairs • a pure substance made up of only one type of atom • a reaction that releases heat/energy into its surroundings • ...
7.2 Writing Chemical Equations 2024-01-12
Across
- :this symbol, like the equal sign in math, means yields
- :the number placed in front of a chemical formula
- :a combination of chemical formulas and symbols that model a chemical reaction.
Down
- :the substances that enters into a chemical reaction
- :the substances that they combine to produce these
- :this mathematical symbol shows that elements will combined in a reaction.
6 Clues: :the number placed in front of a chemical formula • :the substances that they combine to produce these • :the substances that enters into a chemical reaction • :this symbol, like the equal sign in math, means yields • :this mathematical symbol shows that elements will combined in a reaction. • ...
Enzyme Crossword 2017-01-15
Across
- The part of the catalyst where chemical reactions occur
- The result of two reactants
- the amount of power acquired that will initiate chemical reactions
- A molecule that is a necessary participant in some enzyme reactions
- Molecules bind with active sites of an enzyme, which results in a change in the site
- "Children have larger thyroid glands than adults, which is why they have a higher ________"
- The protein that acts as a catalyst and reduces the amount of energy needed in a chemical reaction
Down
- The reactant enzymes act on
- Located by your trachea, it is a structure which secretes hormones necessary for metabolism to occur
- An analogy which describes how each enzyme has a specific shape complimentary to the active site where substrate molecules bind
- Our body cannot produce these catalysts, but we need them in our diet. They come in varieties of the alphabet.
- A substance which enters the active site of the substrate it mimics and reduces the activity of the enzyme
- A chemical reaction which changes a molecule's shape, thus impairing its functions
- Without ________, insufficient metabolism will occur in body cells
- The enzyme's active site changes in shape so that substrates can bind more easily; change is caused by the entry of the substrate
- The protein part of a catalyst that give them their specificity
16 Clues: The reactant enzymes act on • The result of two reactants • The part of the catalyst where chemical reactions occur • The protein part of a catalyst that give them their specificity • Without ________, insufficient metabolism will occur in body cells • the amount of power acquired that will initiate chemical reactions • ...
Chemical Reactions and Equations 2024-05-08
Across
- Slow or gradual destruction of a metal when exposed to air and moisture.
- In this reaction, there is always a gain of electrons.
- Setup in which Electrolysis of water is performed.
- Insoluble yellow precipitate formed in the chemical reaction between Potassium Iodide and Lead Nitrate.
Down
- Most reactive metal on Reactivity Series.
- Type of Reaction : 2AgBr(s)--->2Ag(s)+2Br(s)
- AB+CD--->AD+CB
- Black colour product in the oxidation of Copper.
- Reaction in which substance gains oxygen or loses hydrogen.
- Colour of product when Silver chloride is exposed to sunlight.
- A compound used in the manufacture of cement.
11 Clues: AB+CD--->AD+CB • Most reactive metal on Reactivity Series. • Type of Reaction : 2AgBr(s)--->2Ag(s)+2Br(s) • A compound used in the manufacture of cement. • Black colour product in the oxidation of Copper. • Setup in which Electrolysis of water is performed. • In this reaction, there is always a gain of electrons. • ...
Equilibrium 2021-12-14
Across
- a change involving the creation of a new substance
- a system in balance but where forwards and backwards reactions occur at the same rate
- the chemicals involved in a reaction surroundings everything except the chemicals involved in a reaction
- a change where no new substance is created
- a system in balance
Down
- a reaction where the products can be converted back to the reactants
- heat energy which is either absorbed or released in the breaking and making of chemical bonds during a reaction
- the minimum amount of energy required in order for a reaction to occur
- a transition or intermediate state formed during a reaction as a precursor to the product, but which has a high energy and so is relatively unstable
- where one or more reactants or products in a reaction can be either added or lost physical change
- where the chemicals involved in a reaction are all contained within a fixed space
11 Clues: a system in balance • a change where no new substance is created • a change involving the creation of a new substance • a reaction where the products can be converted back to the reactants • the minimum amount of energy required in order for a reaction to occur • where the chemicals involved in a reaction are all contained within a fixed space • ...
Energetics 2015-10-05
Across
- The thing you write when you have finished your experiment (10)
- The thing you write what you are going to do in during the experiment (6)
- The reaction that creates heat (10)
- It is served in pubs and is flammable (7)
- The substance created in a chemical reaction (8)
Down
- The thing that happens during an experiment (8)
- The reaction that releases cold feelings (11)
- Easily burns (9)
- The thing you write you think will happen before the experiment (10)
- point When something reaches 100 degrees celcius (13)
- Less energy to get together but harder to break apart (5)
11 Clues: Easily burns (9) • The reaction that creates heat (10) • It is served in pubs and is flammable (7) • The reaction that releases cold feelings (11) • The thing that happens during an experiment (8) • The substance created in a chemical reaction (8) • point When something reaches 100 degrees celcius (13) • Less energy to get together but harder to break apart (5) • ...
Chapter 2 2014-09-25
Across
- composed of two or more parts, elements, or ingredients
- one of a class of substances that cannot be separated into simpler substances by chemical means
- a sample of matter with both definite and constant composition with distinct chemical properties.
- the temperature at which a solid substance melts or fuses.
- any combination or blend of different elements, kinds, qualities, etc
- a usually reversible change in the physical properties of a substance, as size or shape
Down
- the temperature at which the vapor pressure of a liquid is equal to the pressure of the atmosphere on the liquid, equal to 212°F (100°C) for water at sea level
- the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
- a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
- mass per unit volume
- the smallest component of an element having the chemical properties of the element
- the substance or substances of which any physical object consists or is composed
- the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound
13 Clues: mass per unit volume • composed of two or more parts, elements, or ingredients • the temperature at which a solid substance melts or fuses. • any combination or blend of different elements, kinds, qualities, etc • the substance or substances of which any physical object consists or is composed • ...
All about Chemical and Physical Changes 2017-06-02
Across
- two or more elements that are chemically combined in a fixed ratio; can be classified as acids, bases, salts or inorganic and organic compounds
- the tendency or capacity of a substance to undergo chemical reaction, either by itself or with other atoms, molecules, or compounds, and to release energy
- substance participating in a chemical reaction
Down
- property any of a material's properties that becomes evident
- a number used in front of a chemical symbol or formula in a chemical equation; only thing that can be changed when balancing an equation
- property can be observed or measured
- an action performed or a feeling experienced in response to a situation or event.
7 Clues: property can be observed or measured • substance participating in a chemical reaction • property any of a material's properties that becomes evident • an action performed or a feeling experienced in response to a situation or event. • ...
CHEM 101 Lab Week 15 2025-12-17
Across
- Reaction where ions exchange partners between compounds
- Process of reducing concentration by adding solvent
- Weakest intermolecular force caused by temporary dipoles
- Reaction where one element replaces another in a compound
- Base that produces OH⁻ in H2O
- Reaction where a compound breaks down into simpler substances
- Base that accepts a proton
- Concentration expressed as moles per liter
- Homogeneous mixture of solute and solvent
- Intermolecular force between polar molecules
- Molecular geometry with three bonding pairs in one plane
- Substances present at the start of a chemical reaction
- Mass of one mole of a substance
- Strong intermolecular force involving hydrogen bonded to N, O, or F
- A mixture with uneven composition throughout
- Substance that partially dissociates into ions in H2O
- Positively charged subatomic particle found in the nucleus
- Negatively charged subatomic particle surrounding the nucleus
- Acid that produces H⁺ in H2O
- Reaction where two or more substances combine to form one product
- Substance doing the dissolving in a solution
Down
- Molecular geometry with two bonding pairs and lone pairs
- A molecule with an uneven charge distribution
- Base that partially dissociates in H2O
- Neutral subatomic particle found in the nucleus
- The three-dimensional arrangement of atoms in a molecule
- Substance used to signal the end of a titration by color change
- Substance that does not form ions in H2O
- A molecule with an even charge distribution
- A pure substance made of only one type of atom
- Acid that donates a proton
- Lab technique used to determine concentration using neutralization
- Substance that completely dissociates into ions in H2O
- Substance being dissolved in a solution
- Molecular geometry with four bonding pairs and no lone pairs
- Molecular geometry with two bonding pairs arranged in a straight line
- Substances formed as a result of a chemical reaction
- Reaction involving oxygen producing CO₂ and H₂O
- A mixture with uniform composition throughout
- Number representing particles in one mole
- State where forward and reverse reactions occur at equal rates
- Acid that partially ionizes in water
- Region of a titration curve where pH changes slowly
- Molecular geometry with three bonds and one lone pair
- Acid that completely ionizes in H2O
- Point in titration where moles of acid equal moles of base
- Base that completely dissociates in H2O
- A substance formed when two or more elements are chemically bonded
48 Clues: Acid that donates a proton • Base that accepts a proton • Acid that produces H⁺ in H2O • Base that produces OH⁻ in H2O • Mass of one mole of a substance • Acid that completely ionizes in H2O • Acid that partially ionizes in water • Base that partially dissociates in H2O • Substance being dissolved in a solution • Base that completely dissociates in H2O • ...
Chemistry Crossword 2015-11-09
Across
- The name of the bond that involves the overlap of P orbitals
- The element with the highest electronegativity using the Pauling scale
- Ozone is an_____ of oxygen
- Stage 3 of mass spectrometry
- The smallest of the alkynes
- Tendency of an atom to attract electrons to itself when chemically combined to another atom
- A _____ series is a family of compounds with the same functional group
- The name for the NH2 functional group
Down
- A store of chemical potential energy
- What block is uranium found in on the periodic table
- The chain reaction in free radical substitution occurs in the_____ step
- The process that causes a positive ion to split into pieces during mass spectrometry
- The catalyst used in catalytic cracking
- The second stage in electrophilic addition involves a _____ intermediate
- In a reaction between an alcohol and a carboxylic acid water and an _____ are products
- Apart from branched alkanes what type of compound is formed from catalytic cracking
- The first step in a mechanism
- The type of C-C bond found in ethane
- The chemical formula of potassium cyanide
19 Clues: Ozone is an_____ of oxygen • The smallest of the alkynes • Stage 3 of mass spectrometry • The first step in a mechanism • A store of chemical potential energy • The type of C-C bond found in ethane • The name for the NH2 functional group • The catalyst used in catalytic cracking • The chemical formula of potassium cyanide • ...
Rates of reaction 2020-09-17
Across
- The lowest amount of energy particles need to react
- Particles must have enough of this when they collide
- Increasing this gives reactants more energy
- Increasing this means there will be more reactant to react
Down
- Speeds up a reaction without being used up
- How fast a chemical reaction is happening
- Particles must ............. for a reaction to occur
- Increasing the surface ......... speeds up the rate of reaction
- reaction rate is calculated by dividing the change in mass by..........
9 Clues: How fast a chemical reaction is happening • Speeds up a reaction without being used up • Increasing this gives reactants more energy • The lowest amount of energy particles need to react • Particles must ............. for a reaction to occur • Particles must have enough of this when they collide • Increasing this means there will be more reactant to react • ...
Redox reaction - H 2023-11-15
Across
- the name given to the process that takes place when metals and alloys are chemically attacked by oxygen, water or any other substances found in their immediate environment
- a reaction involving both reducting and oxidation
- a reaction in which a more reactive element displaces a less reactive element from a solution of its salt
- a substances that oxides another substance during a redox reaction and is itself reduced during the reaction
- element symbol of manganese
- a term used to describe oxidised organic material(food) - usually involving a bad smell
Down
- a chemical reaction which substance reacts with oxygen, the reaction is exothermic
- a reaction in which oxygen is added to an element or compound
- a reaction in which oxygen is removed from a compound
- a substance that reduces another substance during a redox reaction and is itself oxidised during the reaction
10 Clues: element symbol of manganese • a reaction involving both reducting and oxidation • a reaction in which oxygen is removed from a compound • a reaction in which oxygen is added to an element or compound • a chemical reaction which substance reacts with oxygen, the reaction is exothermic • ...
CHEMICAL ENERGY 2012-10-16
Across
- The ability to do work
- Form of energy involving the movement of electric charge
- Inventor of dynamite (2 words)
- Chemical process which absorbs energy from surroundings, lowering temperature
- Process in which electric current drives a chemical reaction
- Plant and animal tissue
Down
- Stored energy
- Solution that conducts electricity
- One substance in food that contains chemical energy
- Another term for 'enhanced greenhouse effect' (2 words)
- Measure of how easily electricity can move through a solution
- Compounds consisting of hydrogen and carbon atoms
12 Clues: Stored energy • The ability to do work • Plant and animal tissue • Inventor of dynamite (2 words) • Solution that conducts electricity • Compounds consisting of hydrogen and carbon atoms • One substance in food that contains chemical energy • Another term for 'enhanced greenhouse effect' (2 words) • Form of energy involving the movement of electric charge • ...
chapter 14 Jess crossword puzzle 2020-04-27
Across
- is an electron pair acceptor
- is the loss of electrons during a reaction by a molecule, atom or ion.
- Electron donator
- is a specific group of atoms or bonds within a compound that is responsible for the characteristic chemical reactions of that compound.
- is an organic chemical compound composed exclusively of hydrogen and carbon atoms.
- the chemical breakdown of a compound due to reaction with water.
- is the process of cleaving a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
- of a compound is the simplest whole number ratio of each type of atom in a compound
- an atom, molecule, or ion that has an unpaired valence electron
- is a type of molecular structural formula that serves as a shorthand representation of a molecule's bonding and some details of its molecular geometry.
- consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule.
- represents the molecule by showing all of the atoms, and all of the bonds between those atoms
Down
- is a type of empirical formula that represents the composition of any member of an entire class of compounds
- a formula which shows the arrangement of atoms in the molecule of a compound.
- a type of isomer in which molecules with the same molecular formula have different bonding patterns and atomic organization
- a type of bond fission that involves the dissociation of a given molecule wherein one electron is retained by each of the original fragments of the molecule.
- is the overlapping of 2 p orbitals
- each of two or more compounds differing only in the spatial arrangement of their atoms.
- is a chemical bond that involves the sharing of electron pairs between atoms.
- are formed by head-on overlapping between atomic orbitals.
20 Clues: Electron donator • is an electron pair acceptor • is the overlapping of 2 p orbitals • are formed by head-on overlapping between atomic orbitals. • an atom, molecule, or ion that has an unpaired valence electron • the chemical breakdown of a compound due to reaction with water. • is the loss of electrons during a reaction by a molecule, atom or ion. • ...
Chemistry Vocab 2022-01-31
Across
- the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
- the nature of something's ingredients or constituents; the way in which a whole or mixture is made up
- 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 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 characteristic of a particular substance that can be observed in a chemical reaction
- 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 basic unit of a chemical element
- the idea that every substance has at least one property that makes it unique and able to be differentiated from other substances
- consisting of uncombined atoms rather than molecules
Down
- a physical or chemical property that is unique to a particular substance
- a particle kind of matter with uniform properties
- relating to the nucleus of an atom
- a thing that is composed of two or more separate elements; a mixture
- of, involving, or comprising a foundation; basic
- marked by lack of variation, diversity, change in form, degree or character in all occurrences or manifestations
- a minute portion of matter
- the reactions a system produces in response to a particular circumstance
- 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 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 • of, involving, or comprising a foundation; basic • a particle kind of matter with uniform properties • a substance made by mixing other substances together • consisting of uncombined atoms rather than molecules • ...
Chemical Reactions 2023-03-04
7 Clues: burning with oxygen • forming insoluble solid • reaction of acid and base • reaction of iron with oxygen • reaction of glucose and oxygen • heat is given off in a chemical reaction • reaction of carbon dioxide with water in sun light
vocabulary 2014-10-20
Across
- result
- mass/neutrons plus the protons
- modest or low view of ones own importance humbleness
- electrons/outer most electrons
- attention
- clouds/where the electrons
- a change
- vigorous or determined attempt
- of conservation of mass/the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed
- trend/specific patterns that are present in the periodic table
- number/number of protons and electrons
- formula/expression
Down
- multiplier or factor that measures some property
- period/row,horizontal
- change/have a dramatically different appearance even though the chemical composition of the substance remains unchanged
- but nonmetal at the same time,zig zag line
- of being honest and having strong moral principles
- combined
- reactive
- change/a change of chemical reaction
- gas/last group and not reactive
- particle
- metals/1st group,more reactive
23 Clues: result • combined • reactive • a change • particle • attention • formula/expression • period/row,horizontal • clouds/where the electrons • mass/neutrons plus the protons • electrons/outer most electrons • metals/1st group,more reactive • vigorous or determined attempt • gas/last group and not reactive • change/a change of chemical reaction • number/number of protons and electrons • ...
bio vocab terms 2019-11-26
Across
- an organelle found in large numbers in most cells
- molecule bonded to three phosphate groups
- a plastid that contains chlorophyll
- process plants use water and carbon dioxide to create their food
- breakdown of glucose by enzymes releasing energy and pyruvate acid
- citric acid cycle
- transfer electrons from electron
- CO2
- simple sugar
- each of a number of flattened sacs inside a chloroplast
- doesn't require oxygen
Down
- simple alcohol with the chemical formula C. 2H. 6O
- requires oxygen
- the act of breathing
- the layer that surrounds the thylakoid
- the long chain of chemical reactions that take place of living systems
- alpha-hydroxy acid
- the chemical breakdown of a substance by bacteria and yeasts
- dark reactions of photosynthesis
- dependent- reaction reactions in photosynthesis that require light energy that is captured by light-absorbing pigments
- H2O
- O2
22 Clues: O2 • CO2 • H2O • simple sugar • requires oxygen • citric acid cycle • alpha-hydroxy acid • the act of breathing • doesn't require oxygen • dark reactions of photosynthesis • transfer electrons from electron • a plastid that contains chlorophyll • the layer that surrounds the thylakoid • molecule bonded to three phosphate groups • an organelle found in large numbers in most cells • ...
Chapter 18 2017-05-04
Across
- carbohydrate Two types of carbohydrates are starch and fiber called (two words)
- First part small intestine
- acids Molecule of protein made of smaller units called (two words)
- Watery liquid moves out of stomach
- Watery substance in your mouth
- Speeds up chemical reaction
- Regulating body functions and prevent diseases
- Regulation of body's internal environment such as temperature
- Fat is broken down into smaller molecules
- Enzyme produced by glands near the mouth
Down
- Large molecules that contain carbon
- Increases surface area of small intestine so nutrients can absorbed
- Main source of energy
- digestion When chemical break drown molecules of food (two words
- group Food that has same nutrient (two words)
- carbohydrates sugars are called (two words
- Process when food breaks down
- digestion When food is mixed and chewed (two words)
- Build up cells
- Substances in food that give energy
- Also called lipids necessary provide energy
21 Clues: Build up cells • Main source of energy • First part small intestine • Speeds up chemical reaction • Process when food breaks down • Watery substance in your mouth • Watery liquid moves out of stomach • Large molecules that contain carbon • Substances in food that give energy • Enzyme produced by glands near the mouth • Fat is broken down into smaller molecules • ...
First Life 2019-02-13
Across
- Bay in WA with Stromatolites
- Banded Iron Formations
- Microbial communities which are laminated
- A precipitate formed in the young ocean
- The remains of life preserved in rock
- Thought to be the most primitive form of life
- Biggest unit of geological time
- Atom needed for life
- Old rocks found in Greenland that contain evidence of life
- Subatomic particle with no charge
- Fourth planet from our sun
Down
- Gas common in the Earth's early atmosphere
- To become incorporated into a liquid so as to form a solution.
- Chemical reaction converting sunlight to chemical energy
- Variants of a particular chemical element which differ in neutron number
- To be placed in layers
- Builder of stromatolites
- Location of earliest known fossils ______ Bar
- Microbial communities which are not laminated
- A deposit in solid form from a solution.
- Gas produced by photosythesis
21 Clues: Atom needed for life • Banded Iron Formations • To be placed in layers • Builder of stromatolites • Fourth planet from our sun • Bay in WA with Stromatolites • Gas produced by photosythesis • Biggest unit of geological time • Subatomic particle with no charge • The remains of life preserved in rock • A precipitate formed in the young ocean • ...
Thermalchemistry 2024-02-05
Across
- When something escapes where it was or comes out of
- Unit used to measure the amount of any substance
- Form of kinetic energy related to random motion of particles
- Energy stored in an object due to its position or condition
- Device used for measuring heat changes in chemical and physical processes
- Measurement of heat flow
- The end result after combining two reactants
- What you start with when doing a chemical reaction
- The substances undergoing chemical or physical change
- The capacity to do work or transfer heat
- Energy in a system at constant pressure
Down
- Maximum amount something can contain
- Absorbs heat energy from the surroundings
- Temperature you take before starting a lab/procedure
- Physical force exerted on or against an object
- Unit of energy usually per mole
- Releases heat energy to the surroundings
- Transfer of thermal energy
- Everything outside the system
- Energy of motion
20 Clues: Energy of motion • Measurement of heat flow • Transfer of thermal energy • Everything outside the system • Unit of energy usually per mole • Maximum amount something can contain • Energy in a system at constant pressure • Releases heat energy to the surroundings • The capacity to do work or transfer heat • Absorbs heat energy from the surroundings • ...
Final Project 2021 2021-06-01
Across
- protein that control the rate of chemical reactions.
- a process of plants that make glucose
- a common mistake made in DNA when it's being copied.
- a non-digestible glucose polymer ( kind of fiber)
- Genetically the same.
- Genetically different.
- passed from parents to offspring through DNA.
- process of fertilizing an egg
- a polymer made of linked glucose.
Down
- a group of organisms of the same species living in the same region at the same time.
- an group of living and nonliving things place in a specific climate.
- some cell can change into other kinds of cell.
- a chemical element with symbol C'.
- process of stem cells becoming another cells
- organism that digest dead organism/materials
- total mass of organism in a giving area.
- a reaction to get energy from glucose.
- a characteristic or condition.
- another word for copying
- energy living things store energy in molecule.
20 Clues: Genetically the same. • Genetically different. • another word for copying • process of fertilizing an egg • a characteristic or condition. • a polymer made of linked glucose. • a chemical element with symbol C'. • a process of plants that make glucose • a reaction to get energy from glucose. • total mass of organism in a giving area. • ...
Arson and explosives 2022-01-27
Across
- portable vapor detector
- any material used to start or sustain a fire
- what does BTU stand for
- when fuel burns without a flame
- explosive with detonation velocity less than 1,000m/s
- What type of chemical reaction is fire
- chemical transformation which heat energy is absorbed from surroundings
- heat transfer from heated to cooler surface
- chemical transformation in which heat energy is liberated
- kerosene and gasoline are...
Down
- light that occurs after a explosion
- rapid combination of oxygen with another substance
- a fire started deliberately
- minimum temperature which fuel ignites spontaneously
- what direction does a fire move
- movement of heat through solid object
- ability of a system or material to do work
- heat liberated during combustion
- minimum temperature which liquid fuel produces enough vapor to burn
- heat energy transfer by movement molecules in a liquid or gas
20 Clues: portable vapor detector • what does BTU stand for • a fire started deliberately • kerosene and gasoline are... • when fuel burns without a flame • what direction does a fire move • heat liberated during combustion • light that occurs after a explosion • movement of heat through solid object • What type of chemical reaction is fire • ability of a system or material to do work • ...
Chemical reactions 2024-07-19
Across
- It is a measure of the total heat content of a system.
- It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs.
- Double displacement reaction.
- It is a biochemical process by which plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using sunlight.
- It refers to processes or organisms that do not require oxygen to live or function. In biology and chemistry, anaerobic conditions are those in which oxygen is absent.
Down
- It is a positively charged ion that has lost one or more electrons. It is attracted to the cathode (negative electrode) in electrolysis.
- It refers to a solution in which the solvent is water. In chemical equations, it is denoted by the symbol (aq) following a substance, indicating that it is dissolved in water.
- It is a chemical reaction between a fuel and an oxidant, typically oxygen, that produces heat and often light. Common products of combustion include carbon dioxide and water. It is an exothermic reaction, meaning it releases energy.
- It is a measure of the disorder or randomness in a system.
- It is a substance used to neutralise stomach acid, thereby relieving symptoms of indigestion, heartburn, and acid reflux.
10 Clues: Double displacement reaction. • It is a measure of the total heat content of a system. • It is a measure of the disorder or randomness in a system. • It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs. • ...
Work/Energy Vocab 2023-03-10
Across
- careful management of the environment and natural resources
- energy the mechanical energy that a body has by virtue of motion
- forceful exertion
- energy that part of the energy a substance that can be released by chemical reaction
- spectrum the entire frequency range of electromagnetic waves
- energy energy that is transmitted in the form of radiation
- of conservation of energy the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
Down
- energy potential energy that is sorted when a body is deformed
- activity directed toward making or doing something
- energy energy stored by a body or system by virtue of its position
- energy the energy released by a nuclear reaction
- the force of attraction between all masses in the universe
- a unit of electrical energy
- output the energy given by the machine to do useful work
- skillfulness in avoiding wasted time and effort
- a measurement of mass in motion
- energy energy in a mechanical form
- energy energy made available by the flow of electric charge through a conductor
- input the amount of energy supplied to the machine
19 Clues: forceful exertion • a unit of electrical energy • a measurement of mass in motion • energy energy in a mechanical form • skillfulness in avoiding wasted time and effort • energy the energy released by a nuclear reaction • activity directed toward making or doing something • input the amount of energy supplied to the machine • ...
Roots and Photosynthesis Review 2023-05-16
Across
- (Hard) Something produced during a chemical reaction that is not needed for that reaction
- The gas that plants make when they do photosynthesis
- The part of a plant cell that makes photosynthesis happen
- The sugar plants make during photosynthesis
- (2 words) The gas that plants need to do photosynthesis
- The chemical that gives plants their green color
- The gas that plants breathe
- A living thing that makes its own energy
- What the root cap uses to help it push through the soil
- (2 words) The part of a root that collects water and nutrients
- When a living thing makes energy from heat and chemicals
Down
- Do all plants do photosynthesis?
- The first root that comes from a seed
- The liquid plants need to do photosynthesis
- (2 words) The tip of a root.
- When a plant turns light energy into sugar
- The nutrient that helps plants grow roots faster
- The energy form that plants need to do photosynthesis
- The region of _________ is the part of a root that reaches towards water
- The chemical that allows photosynthesis to happen
- (2 words) What happens when the roots of a plant wrap around themselves in a pot
21 Clues: The gas that plants breathe • (2 words) The tip of a root. • Do all plants do photosynthesis? • The first root that comes from a seed • A living thing that makes its own energy • When a plant turns light energy into sugar • The liquid plants need to do photosynthesis • The sugar plants make during photosynthesis • The nutrient that helps plants grow roots faster • ...
chemisty 2026-01-14
Across
- — a substance formed when 2 or more elements chemically bond
- bond — a bond formed when atoms share electrons
- — a mixture where one substance is evenly dissolved in another
- — a combination of substances that are not chemically bonded
- — neutral particle found in the nucleus of an atom
- — 2 or more atoms bonded together as a unit
- — atoms of the same element with different numbers of neutrons
- — the substance that gets dissolved in a solution
- table — chart that organizes elements by atomic number and properties
Down
- — the quantitative relationship between reactants and products in a chemical reaction
- — smallest unit of an element Element — a pure substance made of 1 type of atom
- — positively charged particle in the nucleus of an atom
- — state of matter with no definite shape or volume
- electrons — electrons in the outermost energy level of an atom
- — negatively charged particle that moves around the nucleus
- — an atom with a positive or negative charge
- — a substance that starts a chemical reaction
- — the substance that does the dissolving in a solution
- bond — a bond formed by the transfer of electrons
19 Clues: — 2 or more atoms bonded together as a unit • — an atom with a positive or negative charge • — a substance that starts a chemical reaction • bond — a bond formed when atoms share electrons • bond — a bond formed by the transfer of electrons • — the substance that gets dissolved in a solution • — state of matter with no definite shape or volume • ...
Chemical 2018-11-14
Across
- number of __________, are achieved by subtracting the atomic mass by the atomic number
- a column in the periodic table with elements with similar traits
- a physical characteristic that a substance can have which means to conduct an electric current
- a positively charged ion
- element that is non-metal and non-reactive
- the elements non-metal + non-metal combined
- periodic table of _________, substance that cannot be broken down any further
- heat entering- cool pack
- irreversible change
- neutrons, protons, electrons
- theories/predictions made about the atom
- a group of elements in between metals and non-metals
Down
- a homogeneous mixture
- heat exiting- fire
- shininess of a substance
- created by an alchemist to create casts
- the elements metal + non-metal combined
- mass of one atom in a given element
- system designed to help people against harmful substances
- process of solid turning into gas
- a group of elements that are metals and very reative
- reversible change
- time period where controlling fire was learned
- meaning 5 in terms of naming molecular compounds
- used at the ending when naming a molecular compound
25 Clues: reversible change • heat exiting- fire • irreversible change • a homogeneous mixture • shininess of a substance • a positively charged ion • heat entering- cool pack • neutrons, protons, electrons • process of solid turning into gas • mass of one atom in a given element • created by an alchemist to create casts • the elements metal + non-metal combined • ...
Chemical 2023-10-30
20 Clues: Hid • Modda • Xulosa • Orasida • Birikma • Cho’kma • Jarayon • Belgilar • Tenglama • Ajratadi • Munosabat • Kursatish • Taminlaydi • Foydalanish • Shakllangan • Almashtirish • Obligatsiyalar • Yuzaga kelishi • Bashorat qilish • Istemol Qilingan
chemical and physical 2015-11-12
Across
- Not liquid or gas it's a
- Takes place in your throat when you a substance
- Chemical property describing how a substance burns
- Making something new out of other substances
- Can not be created or destroyed
- Temperature,color,hot
- Making something new out of other substances
- When metal is in the air or water it
- When a liquid becomes a solid at a cold temp.
- Breaking down a substance
- When an object is soaked up
Down
- A chemical reaction in green plants that produce energy and oxygen
- Not new but
- change When a substance changes color
- When two things are not alike they are
- Not old but
- change When a substance is turned into another substance
- When a liquid is heated and goes into the air to go into clouds
- When you chew
- When 2 substances are combined to make a new substance
- Flammability is the ability an object has to
21 Clues: Not new but • Not old but • When you chew • Temperature,color,hot • Not liquid or gas it's a • Breaking down a substance • When an object is soaked up • Can not be created or destroyed • When metal is in the air or water it • change When a substance changes color • When two things are not alike they are • Making something new out of other substances • ...
Joelys Chapter 5 crossword 2025-10-16
Across
- The basic unit of an element
- Electrons in the outer shell of an atom
- The way atoms are arranged in a compound
- An atom with a positive or negative charge
- A negatively charged ion
- Two or more atoms held together by bonds
- A particle in the nucleus with no charge
- A force that holds atoms together
Down
- A positively charged particle in the nucleus
- When atoms have full outer shells
- A positively charged ion
- A substance made of two or more elements
- Shows the elements in a compound
- Atoms want 8 electrons in their outer shell
- Something that takes part in a chemical reaction
- Needed to form or break chemical bonds
- A bond formed when electrons are transferred
- A tiny, negatively charged particle in an atom
- A bond formed when electrons are shared
- A pure substance made of one kind of atom
20 Clues: A positively charged ion • A negatively charged ion • The basic unit of an element • Shows the elements in a compound • When atoms have full outer shells • A force that holds atoms together • Needed to form or break chemical bonds • Electrons in the outer shell of an atom • A bond formed when electrons are shared • A substance made of two or more elements • ...
Grace Wallace Science Cross Word 2021-02-08
10 Clues: carries the glucose • how plants make food • contains chlorophyll • absorbs the sun’s energy • sugar found inside a plant • formed in a chemical reaction • what is needed for a reaction • distributes water to the plant • lets gases in and out of the leaf • what humans breath but plants breath out
Photosythesis 2023-03-13
Across
- organelle where photosynthesis happens
- moves water trough the plant
- formed in a chemical reaction
- how a plant produces energy
- factory where photosynthesis happens
- type of energy formed during photosynthesis
Down
- absorbs light
- 6CO2+?
- carries glucose to the plant
- what is needed for a reaction to take place
10 Clues: 6CO2+? • absorbs light • how a plant produces energy • moves water trough the plant • carries glucose to the plant • formed in a chemical reaction • factory where photosynthesis happens • organelle where photosynthesis happens • what is needed for a reaction to take place • type of energy formed during photosynthesis
photosynthesis 2023-02-08
10 Clues: carries glucose • distributes water • comes from the sun • contain chlorophyll • absorbs the sun's energy • plant makes food from light • lets gasses in and out the leaf • the energy that is used by plants • what is needed for a reaction to take place • the substance formed from a chemical reaction
Dhusan's Crossword Puzzle 2013-02-08
14 Clues: clap • adore • fight • grateful • listening • A grouping • not in the wrong • pedal in the car • opposite of vanish • A chemical reaction • once per year happening • somewhere you would stay • making what is wrong right • words with same letter beginning
Dhusan's Crossword Puzzle 2013-02-07
14 Clues: clap • adore • fight • grateful • listening • A grouping • pedal in the car • not in the wrong • opposite of vanish • A chemical reaction • once per year happening • somewhere you would stay • making what is wrong right • words with same letter beginning
THE CATALYST CODE 2025-02-04
Across
- A vessel in which chemical reactions are carried out under controlled conditions, typically without continuous flow.
- The calculation of reactants and products in a chemical reaction based on the conservation of mass and energy.
- A system used for removing pollutants or gases from a fluid stream, often using liquid for gas-liquid extraction.
- The raw material or initial input stream introduced into a reactor or other chemical process.
- The waste or discharge that exits a chemical process or treatment system.
- A process of separating components in a liquid mixture by using differences in their boiling points.
Down
- A device that transfers heat between two or more fluids, usually without mixing them.
- A device that measures the flow rate of a liquid or gas by using a floating object to gauge the flow in a tapered tube.
- A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- The ratio of the amount of liquid returned to the distillation column compared to the amount of distillate withdrawn.
10 Clues: The waste or discharge that exits a chemical process or treatment system. • A device that transfers heat between two or more fluids, usually without mixing them. • The raw material or initial input stream introduced into a reactor or other chemical process. • ...
Chapter 2 2014-09-25
Across
- any combination or blend of different elements, kinds, qualities, etc
- a sample of matter with both definite and constant composition with distinct chemical properties.
- the substance or substances of which any physical object consists or is composed
- a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
- mass per unit volume
Down
- composed of two or more parts, elements, or ingredients
- the smallest component of an element having the chemical properties of the element
- a usually reversible change in the physical properties of a substance, as size or shape
- one of a class of substances that cannot be separated into simpler substances by chemical means
- the temperature at which the vapor pressure of a liquid is equal to the pressure of the atmosphere on the liquid, equal to 212°F (100°C) for water at sea level
- the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound
- the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
- the temperature at which a solid substance melts or fuses.
13 Clues: mass per unit volume • composed of two or more parts, elements, or ingredients • the temperature at which a solid substance melts or fuses. • any combination or blend of different elements, kinds, qualities, etc • the substance or substances of which any physical object consists or is composed • ...
Semester 1 Review 2020-12-17
Across
- What is the most abundant isotope of Oxygen?
- which element will have a larger atomic radius, Sulfur or Neon?
- What is the word for tendancy to gain electrons?
- What subatomic particle has a positive charge?
- orbitals What was Bohr's contribution to the atomic model?
- Ionic compounds are good conductors when ___.
- What kind of ion is always written first in an ionic compound?
- As you go down the periodic table, the effect of the protons on the valence shell is weakened. Why?
- Who organized a periodic table based on increasing atomic mass?
- Is melting point a physical or chemical property?
- lattice What kind of structure do solid ionic compounds form?
- Covalent compounds have ___ melting points.
- What kind of reaction is represented: Nickle oxide yields Nickle and oxygen?
Down
- What is the name of N4O?
- How would you describe the geometry of a polar molecule?
- Which element will have a smaller electronegativity value, Calcium or Strontium?
- What does the prefix deca mean?
- Is density an intensive or extensive property?
- Is a compound an example of a pure or impure substance?
- replacement Which reaction is represented by the generic equation AB + CD ---> AD + CB?
- What Kind of reaction is Mg + S ---> MgS?
- In order to meet the octet rule, elements in covalent compounds ___ electrons.
- A substance is positive for the Tyndall affect but can't be filtered, what kind of mixture is it?
- What kind of change is food spoiling?
24 Clues: What is the name of N4O? • What does the prefix deca mean? • What kind of change is food spoiling? • What Kind of reaction is Mg + S ---> MgS? • Covalent compounds have ___ melting points. • What is the most abundant isotope of Oxygen? • Ionic compounds are good conductors when ___. • Is density an intensive or extensive property? • ...
chomelawala energy crossword 2018-02-26
Across
- A layer of material that traps the air to help block the transfer of heat between the air inside the building
- a substance that provides energy
- energy-rich substances formed from the remains of organisms
- when uranium rods melt and explode
- percent of energy used to do work
- save energy
- 3 types of fossil fuels
- another name for oil
- a chemical compound that contain hydro and carbon atoms
- a factory in which crude oil is heated and separated into fuels and other products
- an original source for wind and flowing energy
- energy created by the movement of the air
- light and heat given off by the sun
- fossil fuels made in a long amount of time
Down
- house that uses passive and active heating systems to get electricity and heat
- fuels are burned, the chemical energy that is released can be used to generate another form of energy
- wood, plants parts, manure, and food wastes that can be used as fuels
- a nuclear reaction in which the nucleus forms up into a heavy nucleus
- alchohol mixed with gasoline
- coal is most used for
- compounds that are made from crude oil
- 3 types of fossil fuels
- oil is mainly used for
- a nuclear reaction in which the nucleus separates
- used to start a reaction
- heat from the earth's interior
- electricity created by the power of moving water
- what source is hydrogen fuel cells
28 Clues: save energy • another name for oil • coal is most used for • oil is mainly used for • 3 types of fossil fuels • 3 types of fossil fuels • used to start a reaction • alchohol mixed with gasoline • heat from the earth's interior • a substance that provides energy • percent of energy used to do work • when uranium rods melt and explode • what source is hydrogen fuel cells • ...
energy crossword 2018-02-26
Across
- energy-rich substances formed from the remains of organisms
- what source is hydrogen fuel cells
- fuels are burned, the chemical energy that is released can be used to generate another form of energy
- fossil fuels made in a long amount of time
- 3 types of fossil fuels
- a substance that provides energy
- alchohol mixed with gasoline
- wood, plants parts, manure, and food wastes that can be used as fuels
- an original source for wind and flowing energy
- heat from the earth's interior
- light and heat given off by the sun
- a chemical compound that contain hydro and carbon atoms
- energy created by the movement of the air
- house that uses passive and active heating systems to get electricity and heat
Down
- A layer of material that traps the air to help block the transfer of heat between the air inside the building
- 3 types of fossil fuels
- save energy
- electricity created by the power of moving water
- another name for oil
- oil is mainly used for
- coal is most used for
- a factory in which crude oil is heated and separated into fuels and other products
- when uranium rods melt and explode
- a nuclear reaction in which the nucleus separates
- used to start a reaction
- a nuclear reaction in which the nucleus forms up into a heavy nucleus
- percent of energy used to do work
- compounds that are made from crude oil
28 Clues: save energy • another name for oil • coal is most used for • oil is mainly used for • 3 types of fossil fuels • 3 types of fossil fuels • used to start a reaction • alchohol mixed with gasoline • heat from the earth's interior • a substance that provides energy • percent of energy used to do work • what source is hydrogen fuel cells • when uranium rods melt and explode • ...
Biology ch.2 Number 2 2014-11-18
Across
- The central cord of an atom consists of two kinds of particles
- Is the energy in a system that is available for work
- Solid,liquid and Gas is the _________ of matter
- This term refers to a base
- Substance dissolved in the solution
- When an atom or molecule with an electrical charge is called this….
- The number of protons in an atom is called this
- A catalyst, usually a protein, in living system
- Forms two atoms share one or more pairs of electrons
- Reactions that involve a net absorption of free energy are called
- Scale that compares the relative con
- - the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids.
- Any substance that increases the concentration of hydroxide ions when added to a water solution
Down
- Is the quantity of matter an object has
- Combining in ways that cause their atoms to become stable
- In many chemical reactions, the amount of energy needed to start the reaction is called this
- Are pure substance that can’t be broken down chemically into simpler kinds of matter
- The simplest part of a substance that retains all of the properties of the substance and that can exists in a free state
- The reaction in which electrons are transferred between atoms are known as ___________.
- compound formed by a chemical reaction
- A measurement of the amount solute dissolved in a fixed amount of solvent
- Substance in which the solute is dissolved
22 Clues: This term refers to a base • Substance dissolved in the solution • Scale that compares the relative con • compound formed by a chemical reaction • Is the quantity of matter an object has • Substance in which the solute is dissolved • The number of protons in an atom is called this • A catalyst, usually a protein, in living system • ...
Cells! 2025-05-30
Across
- Membrane, membrane that protects the genetic material of the cell (DNA and RNA)
- organelle that holds the genetic material of the cell (DNA and RNA)
- organelle that is the site of protein synthesis
- organelle that contains digestive enzymes
- organelle that processes, packages and secretes proteins
- chemical reaction that uses carbohydrates(sugar) to produce energy(ATP)
- refers to organisms that are only made of one cell
- found mostly in plant cells, this organelle stores water
- regulates which substances enter and exit the cell
Down
- organelle that is site of photosynthesis
- organelle that contains many membranes that mostly functions in detoxification
- composed of cellulose and found in plant cells to provide structure
- organelle that is the sit of cellular respiration
- - refers to organisms that are made of multiple cells
- organelle that contains many membranes and has ribosomes attached.
- chemical reaction that uses light and carbon dioxide gas to produce food (sugar)
- smallest unit of life
- type of cell that does not contain a nucleus and membrane bound organelles
- type of cell that contains a nucleus and membrane bound organelles
19 Clues: smallest unit of life • organelle that is site of photosynthesis • organelle that contains digestive enzymes • organelle that is the site of protein synthesis • organelle that is the sit of cellular respiration • refers to organisms that are only made of one cell • regulates which substances enter and exit the cell • ...
Flow of Energy 2023-01-23
Across
- a pathway that shows the flow of energy through an ecosystem - only one path
- the food that is produced by plants
- a consumer that eats only meat
- anything that has mass and takes up space
- the source of energy for photosynthesis
- a consumer that eats only plants
- a by-product of photosynthesis
- an organism that gets energy and matter by breaking down the remains of other organisms that have died
- the substances that are found at the beginning of a chemical reaction
- a by-product of cellular respiration
Down
- a model that shows how energy flows between multiple organisms in an ecosystem
- the process that turns glucose into energy for the cell
- an organism that gets energy and matter by eating other organisms
- the process by which producers create food
- an organism that uses energy and matter from the environment to make its own food
- a consumer that eats both plants and meat
- the substances that are created by a chemical reaction
17 Clues: a consumer that eats only meat • a by-product of photosynthesis • a consumer that eats only plants • the food that is produced by plants • a by-product of cellular respiration • the source of energy for photosynthesis • anything that has mass and takes up space • a consumer that eats both plants and meat • the process by which producers create food • ...
Science Crossword Puzzle 2015-01-18
7 Clues: another word for done • one of the healthiest drinks • when something isn't finished • the opposite of a physical reaction • the opposite of a chemical reaction • without it most transport cannot move • a compound of oxygen with another element
Dhusan's Crossword Puzzle 2013-02-07
14 Clues: clap • fight • adore • grateful • listening • A grouping • not in the wrong • pedal in the car • opposite of vanish • A chemical reaction • once per year happening • somewhere you would stay • making what is wrong right • words with same letter beginning
Science Crossword 2021-06-14
Across
- outer layer of the earth
- The major organ is the heart
- discovered sea floor spreading
- Discovered continental drift
- A substance that takes part in and undergoes change during a reaction
- having two different alleles or genes
- When two or more atoms join together
- only found on continent coast lines
Down
- removes waste from the body
- made of iron and nickle
- processes food by breaking it down
- part of the upper mantle
- Attached to bones by tendons
- having two of the same alleles
- the continents seem to fit together like puzzle pieces
- A substance produced during a chemical reaction
- thickest layer of the earth
17 Clues: made of iron and nickle • outer layer of the earth • part of the upper mantle • removes waste from the body • thickest layer of the earth • The major organ is the heart • Discovered continental drift • Attached to bones by tendons • discovered sea floor spreading • having two of the same alleles • processes food by breaking it down • only found on continent coast lines • ...
CREATE A REVIEW- stress/grief 2023-05-16
Across
- stress that lasts a long time
- normal stress that benefits you
- frustration and displacement
- chemical, biological, or environmental condition that causes stress
- spiritual exercise
- biological and genetic impacts on human traits
- resistance to stress reduces
Down
- making deals and questioning(questioning)
- influence of learning from your surrounding
- saddened mood or loss of interest
- immediete reaction to a stressor
- deep emotional reaction mainly caused by loss or death
- short time stress that goes away quickly
- getting used to being stressed
- emotions stabilize
- is the ability to feel what others around you feel
- refusal to believe in reality
17 Clues: emotions stabilize • spiritual exercise • frustration and displacement • resistance to stress reduces • stress that lasts a long time • refusal to believe in reality • getting used to being stressed • normal stress that benefits you • immediete reaction to a stressor • saddened mood or loss of interest • short time stress that goes away quickly • ...
Energy 2021-11-14
Across
- to move back and forth
- what your body feels thermal energy as
- stored energy due to position or condition
- energy caused by the movement of electric charges
- a substance that contains useful chemical energy
Down
- the energy of moving particles of matter
- energy that can be released by a chemical reaction
- the total potential and kinetic energy of an object
- form of energy you can see
- the energy of motion
- form of energy you can hear
- the ability to cause changes in matter
12 Clues: the energy of motion • to move back and forth • form of energy you can see • form of energy you can hear • what your body feels thermal energy as • the ability to cause changes in matter • the energy of moving particles of matter • stored energy due to position or condition • a substance that contains useful chemical energy • energy caused by the movement of electric charges • ...
Lab Equipment 2022-09-07
Across
- used for eye protection during lab
- a measuring instrument consisting of 3 beams to measure mass
- used to aid in transfer of larger amounts of liquids
- used to enlarge objects during labs
- A glass vessel that measures volumes of liquids
- Holds solids or liquids that may release gases during a chemical reaction
- holds solids or liquids that will not release gases during a chemical reaction
- used to hold the test tube when it is too hot to handle
Down
- used in laboratory for performing experiments
- used to transfer a small volume of liquid
- used to manually stir solutions
- used to close containers to avoid spillage
- plastic or wood holder to place test tubes in before, during and after experiments
- used for handling hot containers
- used for skin and clothes protection during lab
- used to clean test tubes and graduated cylinders
- used to enlarge objects too small to be seen by the human eye
17 Clues: used to manually stir solutions • used for handling hot containers • used for eye protection during lab • used to enlarge objects during labs • used to transfer a small volume of liquid • used to close containers to avoid spillage • used in laboratory for performing experiments • used for skin and clothes protection during lab • ...
The Chemistry of Life 2025-10-07
Across
- A molecule that contains atoms of at least two different elements
- The number of protons in an atom
- A positively or negatively charged atom.
- Chemical that results when two or more atoms join together chemically
- Simple sugars; that are building blocks of more complex carbohydrates
- Carbohydrates that are made up of more than two monosaccharides
- Anything that has mass or takes up space
Down
- Molecules found in living organisms that contain carbon rings, attached to other atoms
- A chemical reaction in which molecules combine by removing water
- a table of the chemical elements arranged in order of atomic number
- A chemical bond
- a collection of atoms that all have the same number of protons
- The process by which organisms produce large molecules from smaller ones
- Two different molecules that have the same chemical formula
- Carbohydrates that are made up of two different monosaccharides
15 Clues: A chemical bond • The number of protons in an atom • A positively or negatively charged atom. • Anything that has mass or takes up space • Two different molecules that have the same chemical formula • a collection of atoms that all have the same number of protons • Carbohydrates that are made up of two different monosaccharides • ...
Plant food 2025-11-12
Across
- allows the plant to absorb sunlight
- How plants make food
- needed for a reaction to happen
Down
- Where photosynthesis happens
- the result of a chemical reaction
- What plants breathe out.
- Distributes water to the plant
- a needed ingredient for photosynthesis (H2O)
- Carries glucose to the plant
- what plants breathe in.
10 Clues: How plants make food • what plants breathe in. • What plants breathe out. • Where photosynthesis happens • Carries glucose to the plant • Distributes water to the plant • needed for a reaction to happen • the result of a chemical reaction • allows the plant to absorb sunlight • a needed ingredient for photosynthesis (H2O)
Biology Module #5 2018-11-29
Across
- Breaking down complex molecules by the chemical addition of water.
- A measurement of how much solute exists in a certain volume of solvent.
- Lacking any affinity to water.
- A collection of atoms that all have the same number of protons.
- A membrane that allows some molecules to pass through but does not allow other molecules to pass through.
- An explanation or representation of something that cannot be seen.
- The random motion of molecules from an area of high concentration to an area of low concentration.
- A lipid made from fatty acids that have at least one double bond between carbon atoms.
- The process by which living organisms produce larger molecules from smaller ones.
- Anything that has mass and takes up space.
- A lipid made from fatty acids that have no double bonds between carbon atoms.
- A strong attraction between hydrogen atoms and certain other atoms, usually oxygen or nitrogen, in specific molecules.
Down
- Carbohydrates that are made up of more than two monosaccharides.
- A chemical reaction in which molecules combine by removing water.
- Simple carbohydrates that contain 3 to 10 carbon atoms.
- The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration.
- Chemicals that result from atoms linking together.
- A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and or phosphorus.
- A change that alters the makeup of the elements or molecules of a substance.
- A change that affects the appearance but not the chemical makeup of a substance.
- A substance that alters the speed of a chemical reaction but is not used up in the process
- A bond that links amino acids together in a protein.
- Carbohydrates that are made up of two monosaccharides.
- Two different molecules that have the same chemical formula.
- One of three forms-- solid, liquid, or gas-- which every substance is capable of attaining.
25 Clues: Lacking any affinity to water. • Anything that has mass and takes up space. • Chemicals that result from atoms linking together. • A bond that links amino acids together in a protein. • Carbohydrates that are made up of two monosaccharides. • Simple carbohydrates that contain 3 to 10 carbon atoms. • Two different molecules that have the same chemical formula. • ...
Energy crossword 2018-02-26
Across
- a nuclear reaction in which the nucleus forms up into a heavy nucleus
- fuels are burned, the chemical energy that is released can be used to generate another form of energy
- 3 types of fossil fuels
- an original source for wind and flowing energy
- a chemical compound that contain hydro and carbon atoms
- coal is most used for
- compounds that are made from crude oil
- alchohol mixed with gasoline
- A layer of material that traps the air to help block the transfer of heat between the air inside the building
- wood, plants parts, manure, and food wastes that can be used as fuels
Down
- 3 types of fossil fuels
- electricity created by the power of moving water
- a factory in which crude oil is heated and separated into fuels and other products
- heat from the earth's interior
- another name for oil
- light and heat given off by the sun
- fossil fuels made in a long amount of time
- oil is mainly used for
- a substance that provides energy
- house that uses passive and active heating systems to get electricity and heat
- save energy
- energy created by the movement of the air
- percent of energy used to do work
- when uranium rods melt and explode
- energy-rich substances formed from the remains of org
- a nuclear reaction in which the nucleus separates
- what source is hydrogen fuel cells
- used to start a reaction
28 Clues: save energy • another name for oil • coal is most used for • oil is mainly used for • 3 types of fossil fuels • 3 types of fossil fuels • used to start a reaction • alchohol mixed with gasoline • heat from the earth's interior • a substance that provides energy • percent of energy used to do work • when uranium rods melt and explode • what source is hydrogen fuel cells • ...
Energy Crossword 2018-02-26
Across
- another name for oil
- save energy
- alchohol mixed with gasoline
- oil is mainly used for
- heat from the earth's interior
- a nuclear reaction in which the nucleus forms up into a heavy nucleus
- coal is most used for
- an original source for wind and flowing energy
- light and heat given off by the sun
- fuels are burned, the chemical energy that is released can be used to generate another form of energy
- a chemical compound that contain hydro and carbon atoms
- A layer of material that traps the air to help block the transfer of heat between the air inside the building
Down
- energy-rich substances formed from the remains of organisms
- 3 types of fossil fuels
- a factory in which crude oil is heated and separated into fuels and other products
- fossil fuels made in a long amount of time
- 3 types of fossil fuels
- energy created by the movement of the air
- electricity created by the power of moving water
- what source is hydrogen fuel cells
- compounds that are made from crude oil
- when uranium rods melt and explode
- house that uses passive and active heating systems to get electricity and heat
- used to start a reaction
- wood, plants parts, manure, and food wastes that can be used as fuels
- percent of energy used to do work
- a substance that provides energy
- a nuclear reaction in which the nucleus separates
28 Clues: save energy • another name for oil • coal is most used for • oil is mainly used for • 3 types of fossil fuels • 3 types of fossil fuels • used to start a reaction • alchohol mixed with gasoline • heat from the earth's interior • a substance that provides energy • percent of energy used to do work • what source is hydrogen fuel cells • when uranium rods melt and explode • ...
Marieb Human Anatomy & Physiology BASIC CHEMISTRY PAGES 23-58 2024-09-13
Across
- a type of reaction where molecules combine to form a larger, more complex molecule
- energy relationships in which there is a net loss or gain of energy in every chemical reaction
- have a sour taste and can dissolve many metals
- the substance present in the greatest amount of a mixture
- the units that concentration of hydrogen ions in various body fluids are measured in
- dissolve in fats or organic solvents but not in water
- bonds that are weak bonds formed between hydrogen atom, already covalently linked to an electronegative atom, and another electronegative atom
- molecules that are the building block of proteins
- an ionic compound containing cations other than H+ and anions other than the hydroxyl ion (OH-)
- polymers of simple sugars linked together by dehydration synthesis
- flat molecules made of four interlocking hydrocarbon rings
- a group of molecules that includes sugars and starches, represent 1-2% of cell mass
- diverse liquids chiefly derived from a 20 carbon fatty acid found in all cell membranes
- globular proteins that act as biological catalyst.
- a double stranded helix which contains deoxyribose and the bases A, G, C and T.
- type of reactions the occur only when particles collide and valence shell electrons interact
- the capacity to do work, or to put matter into motion
- substances that conduct an electrical current in solution
- substances that regulate and accelerate the rate of biochemical reactions.
- bears a positive electrical charge
- a reaction that involves both synthesis and decomposition reaction.
- a type of energy in action
- the building block of elements
- universal energy compound of body cells
Down
- homogeneous mixtures of gases, liquids or solids
- neutral electrical charge
- have a bitter taste, feels slippery, and are proton acceptors
- single-chain or single-ring structures containing from three to seven carbon atoms
- these bear a negative charge
- heterogeneous mixtures with large solute
- a reaction that occurs when a molecule is broken down into smaller molecules.
- reactions that release energy
- formed when two monosaccharides are joined by dehydration synthesis.
- substances composed of two or more components
- homeostasis of acid base balanced is carefully regulated by the kidneys and lungs and by chemical systems
- a single stranded helix which contains ribose and the bases A,G,C, and U
- a resulting bod that produces a characteristic arrangement of linked atoms
- the substance present in then smaller amount of a mixture
- a type of number that is the sum of the masses of an atom
- these are modified triglycerides
- a combination of two or more atoms held together by chemical bonds
- chainlike molecules made of many similar monomer units
- fats when solid or oils when liquid
- the structural units of nucleic acid
- the single most abundant compound in the body, which absorbs and releases heat slowly, acts as a universal solvent , participates in chemical reactions and cushions body organs.
- Anything that occupies space and has mass
- type of energy that has stored energy
- proteins that are compact, spherical proteins that have at least tertiary structure
- the substance on which an enzyme acts
- a type of bond between atoms formed by the transfer of one or more electrons from one atom to the other
50 Clues: neutral electrical charge • a type of energy in action • these bear a negative charge • reactions that release energy • the building block of elements • these are modified triglycerides • bears a positive electrical charge • fats when solid or oils when liquid • the structural units of nucleic acid • type of energy that has stored energy • the substance on which an enzyme acts • ...
Chemical Reactions 2026-01-08
Across
- A change detected by the nose indicating a reaction
- A state of matter that has no fixed volume or shape.
- A state of matter that has fixed particle positions
- This can indicate a chemical change based on heat released or absorbed
- The chemicals after a reaction has taken place.
- The creation of a gas from within a liquid. This shows a reaction happened
Down
- When the substances involved are different than before they interact
- The chemicals before a reaction has taken place
- A substance that reacts very easily or quickly with many other substances
- A change detected by the eye showing a reaction happened
- A state of matter that has fixed volume but can be poured
11 Clues: The chemicals before a reaction has taken place • The chemicals after a reaction has taken place. • A change detected by the nose indicating a reaction • A state of matter that has fixed particle positions • A state of matter that has no fixed volume or shape. • A change detected by the eye showing a reaction happened • ...
Mental Health Review 2022-12-19
Across
- Understanding others' situations or "walking in their shoes"
- The "T" in PTSD which is an impact factor in mental health
- Pleasure chemical
- stress that lasts for a longer period of time
- Brain _____ or weakened blood vessel
- ____ percent of oxygen inhaled is used by the brain
- part of the nervous system that includes the spinal cord and brain
- Stress that is "good"
Down
- Alzhimer's is incorporated into this category
- Fight vs ______
- melatonin regulates ___ cycles
- _____ disorders (includes schizophrenia)
- ____ Reaction- Immediate reaction to stress
- stages in the grief process
- major impact factor on mental health
- health emergency associated with F.A.S.T.
- The largest part of the brain
17 Clues: Fight vs ______ • Pleasure chemical • Stress that is "good" • stages in the grief process • The largest part of the brain • melatonin regulates ___ cycles • major impact factor on mental health • Brain _____ or weakened blood vessel • _____ disorders (includes schizophrenia) • health emergency associated with F.A.S.T. • ____ Reaction- Immediate reaction to stress • ...
Science Ch 10 2023-11-09
Across
- substances that accepts positive H ions
- compounds that react with acids/ bases
- substance that dissolves into a solvent
- mixture where substances not mixed evenly
- measures how acidic or basic
- combination of substances
- solution where water is the solvent
- reaction of acid with a base
- substances that release positive H ions
- substance that dissolves a solute
- another name for homogeneous mixture
Down
- matter with fixed composition
- how much solute is present
- mixture where substances are evenly mixed
- when something contains all the solute that it can
- measurement that describes how much solute dissolves
- when a solid is made from a chemical reaction
17 Clues: combination of substances • how much solute is present • measures how acidic or basic • reaction of acid with a base • matter with fixed composition • substance that dissolves a solute • solution where water is the solvent • another name for homogeneous mixture • compounds that react with acids/ bases • substances that accepts positive H ions • ...
pH Crossword 2023-04-12
Across
- a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
- model that says a base accepts electron pairs
- a chemical reaction in which acid and a base react quantitatively with each other.
- a chemical compound formed when an acid donates a proton (H) to a base
- a chemical compound consisting of an ionic assembly of positively charged cations and negatively charged anions
- acids/bases that are completely or nearly 100% ionized in their solutions
- theory that describes bases as OH- ion donators
- theory that describes bases as H+ ion acceptors
- able to react both as a base and as an acid.
- the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
- any chemical solution which has a precisely known concentration.
- acids/bases that don't completely dissociate in solution
Down
- where the moles of acid and the moles of base would neutralize each other according to the chemical reaction.
- a halochromic chemical compound added in small amounts to a solution so the pH of the solution can be determined visually or spectroscopically by changes in absorption and/or emission properties.
- process of chemical analysis in which the quantity of some constituent of a sample is determined by adding to the measured sample an exactly known quantity of another substance with which the desired constituent reacts in a definite, known proportion
- the BASE dissociation constant
- a measure of hydroxide ion (OH-) concentration. It is used to express the alkalinity of a solution.
- the common name for the aqueous cation H₃O⁺, the type of oxonium ion produced by protonation of water. It is often viewed as the positive ion present when an Arrhenius acid is dissolved in water, as Arrhenius acid molecules in solution give up a proton to the surrounding water molecules.
- a diatomic anion with chemical formula OH⁻. It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water. It functions as a base, a ligand, a nucleophile, and a catalyst.
- the compound obtained by removing the elements of water from a particular acid.
- "potential of hydrogen", is a scale used to specify the acidity or basicity of an aqueous solution.
- a solution that can resist pH change upon the addition of an acidic or basic components.
- a chemical species that donates electrons, accepts protons, or releases hydroxide (OH-) ions in aqueous solution.
- the ACID dissociation constant
24 Clues: the BASE dissociation constant • the ACID dissociation constant • able to react both as a base and as an acid. • model that says a base accepts electron pairs • theory that describes bases as OH- ion donators • theory that describes bases as H+ ion acceptors • acids/bases that don't completely dissociate in solution • ...
Reaction types crossword 2021-02-01
Across
- Replacement AB + XY ---> AX + BY
- Replacement AB + X ---> AX + B
- A substance that donates protons
- A chemical equation with equal numbers of elements on both sides
- AB ---> A + B
- A substance that accepts protons
Down
- A reaction in which a hydrocarbon and oxygen are the reactants and carbon dioxide and water are the products
- The process of breaking down into ions
- A reaction in which electrons are transferred
- A + B ---> AB
- A reaction in which protons are transferred
11 Clues: A + B ---> AB • AB ---> A + B • Replacement AB + X ---> AX + B • Replacement AB + XY ---> AX + BY • A substance that donates protons • A substance that accepts protons • The process of breaking down into ions • A reaction in which protons are transferred • A reaction in which electrons are transferred • A chemical equation with equal numbers of elements on both sides • ...
INVESTIGATION 8 - THERMOCHEMISTRY 2025-05-23
Across
- THE AMOUNT OF ENERGY NEEDED TO BREAK THE BONDS OF ONE MOLE OF A SUBSTANCE
- A PART OF THE UNIVERSE UPON WHICH YOU FOCUS YOUR ATTENTION
- THE STABLE FORM OF A SUBSTANCE AT A TEMPERATURE OF 25 DEGREES CELSIUS AND A PRESSURE OF 100kPa
- STATES THAT BONDS ARE BROKEN WHEN MOLECULES COLLIDE WITH ENOUGH ENERGY TO BREAK BONDS IN REACTANTS AND WITH THE CORRECT ORIENTATION TO FORM BONDS THAT MAKE PRODUCTS
- THE TOTAL CHANGE IN ENERGY FOR A REACTION
- A REPRESENTATION OF THE RELATIVE INTERNAL ENERGY OF A SYSTEM UNDERGOING A CHEMICAL CHANGE
- ENERGY TRANSFERRED FROM ONE OBJECT TO ANOTHER BECAUSE OF A TEMPERATURE DIFFERENCE BETWEEN THE OBJECTS
- AN UNSTABLE CLUSTER OF ATOMS THAT EXISTS DURING THE TRANSITION FROM REACTANTS TO PRODUCTS
Down
- IF YOU ADD TWO OR MORE THERMOCHEMICAL EQUATIONS TO GIVE AN OVERALL EQUATION, YOU CAN ALSO ADD THE ENTHALPIES OF REACTION TO GIVE THE OVERALL ENTHALPY OF REACTION
- THE TOTAL ENERGY CONTAINED IN A SYSTEM
- THE CHANGE IN ENTHALPY THAT ACCOMPANIES THE FORMATION OF ONE MOLE OF THE COMPOUND FROM ITS ELEMENTS WITH ALL SUBSTANCES IN THEIR STANDARD STATES
- EVERYTHING IN THE UNIVERSE OUTSIDE OF THE SYSTEM
- THE MINIMUM ENERGY COLLIDING PARTICLES MUST HAVE IN ORDER TO REACT
- CHEMICAL EQUATION THAT INCLUDES THE ENTHALPY CHANGE
- THE HEAT ABSORBED OR RELEASED BY A REACTION AT CONSTANT PRESSURE
15 Clues: THE TOTAL ENERGY CONTAINED IN A SYSTEM • THE TOTAL CHANGE IN ENERGY FOR A REACTION • EVERYTHING IN THE UNIVERSE OUTSIDE OF THE SYSTEM • CHEMICAL EQUATION THAT INCLUDES THE ENTHALPY CHANGE • A PART OF THE UNIVERSE UPON WHICH YOU FOCUS YOUR ATTENTION • THE HEAT ABSORBED OR RELEASED BY A REACTION AT CONSTANT PRESSURE • ...
Module 2 Vocabulary 2025-09-15
Across
- when 2 or more peptides in their tertiary structure are bonded together they form the _____ of a protein (2 words)
- a large molecule composed of similar units bonded together
- a covalent bond between two amino acids (2 words)
- a positively charged ion
- a polymer of 2 or more amino acids
- a negatively charged ion
- a molecule that participates in a chemical reaction involving an enzyme
- energy related to the motion of an atom or molecule (2 words)
- any molecule that binds to a protein
- _____ molecules are attracted by water
- a process in which molecules react to form new molecules with different compositions (2 words)
- a measure of the mean kinetic energy of a system
- a substance that increases the rate of a reaction without itself being consumed by that reaction
- a protein that speeds up a chemical reaction by reducing the energy needed for the reaction to occur
Down
- hydrogen bonding between r-groups forms the _______ of a protein (2 words)
- a bond with unequal sharing of electrons, giving one atom a partial positive charge and the other a partial negative charge (3 words)
- a weak attraction between a hydrogen atom in one molecule and an atom with a partial negative charge in another molecule (2 words)
- _____ molecules are repelled by water
- a region of an enzyme that binds a substrate during a reaction (2 words)
- the ability of a protein to bind a specific type of molecule (2 words)
- ______ of a protein is the sequence of amino acids in a peptide (2 words)
- one or more secondary structures connected by hydrogen, ionic, or covalent bonds forms the _____ structre of a protein(2 words)
- a large molecule composed of one or more peptides folded into a complex structure
- a bond with equal sharing of electrons (3 words)
- a region of an enzyme that binds a ligand which is not a substrate (2 words)
- when one atom lends an electron to another atom, resulting in the now negatively and positively charged atoms being attracted to each other (2 words)
- a small molecule that bonds to similar molecules to form a polymer
- the likelihood that two molecules will interact, stemming from the electrical properties of their atoms (2 words)
28 Clues: a positively charged ion • a negatively charged ion • a polymer of 2 or more amino acids • any molecule that binds to a protein • _____ molecules are repelled by water • _____ molecules are attracted by water • a bond with equal sharing of electrons (3 words) • a measure of the mean kinetic energy of a system • a covalent bond between two amino acids (2 words) • ...
Enzymes 2022-11-18
Across
- a model for enzyme-substrate interaction suggesting that the enzyme and the substrate possess specific complementary geometric shapes that fit exactly into one another (3 words)
- the shape of the enzyme has been altered so much that the substrate molecules will no longer fit
- the substance on which an enzyme acts
- The minimum energy required for a reaction to occur (2 words)
Down
- any substance that is consumed or used up during the reaction
- the binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity (2 words)
- a substance that is present at the end of a chemical reaction
- the specific region of an enzyme where a substrate binds (2 words)
- a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction
- a molecule which can facilitate or trigger a chemical reaction without being consumed or changed
10 Clues: the substance on which an enzyme acts • any substance that is consumed or used up during the reaction • a substance that is present at the end of a chemical reaction • The minimum energy required for a reaction to occur (2 words) • the specific region of an enzyme where a substrate binds (2 words) • ...
5 Science Unit 5 Lesson 1 2024-12-16
Across
- the ability to cause changes in matter
- energy that can be released by a chemical reaction
- to move back and forth
- stored energy due to position or condition
- a substance that contains useful chemical energy
- form of energy you can see
Down
- what your body feels thermal energy as
- energy caused by the movement of charges
- energy of motion
- energy cannot be created or __________
- energy can change from one form to another
- form of energy you can hear
12 Clues: energy of motion • to move back and forth • form of energy you can see • form of energy you can hear • what your body feels thermal energy as • the ability to cause changes in matter • energy cannot be created or __________ • energy caused by the movement of charges • energy can change from one form to another • stored energy due to position or condition • ...
Chapter 13 Crossword Ahrianna McCabe 2019-10-05
Across
- A color change is one of the indicators that a _____ has occured.
- AB + oxygen ---> oxides of A & B + H2O
- Law stating that there are no atoms gained or lost during any reaction.
- AB + CD ---> AD + CB
- A reaction with a net gain of energy.
- A reaction with a net release of energy.
Down
- A + B ---> AB
- A + BC ---> AC + B
- AB ---> A + B
- Chemical equations must always be _____.
- The amount of energy required to pull two bonded elements apart.
11 Clues: A + B ---> AB • AB ---> A + B • A + BC ---> AC + B • AB + CD ---> AD + CB • A reaction with a net gain of energy. • AB + oxygen ---> oxides of A & B + H2O • Chemical equations must always be _____. • A reaction with a net release of energy. • The amount of energy required to pull two bonded elements apart. • A color change is one of the indicators that a _____ has occured. • ...
Thermochemistry 2015-05-07
Across
- transfer of kinetic energy between objects at different temperature
- a reaction that releases heat
- the study of energy involved in reactions
- Potential change of a system during a chemical reaction or physical change
- a system at 25C and 100 kPa is at
- Power which may be translated into motion; ability to do work
Down
- stored energy, the potential to do work
- 1kg*(m^2/s^2)
- energy of motion
- a reaction that absorbs heat
- something measured in Kelvin
11 Clues: 1kg*(m^2/s^2) • energy of motion • a reaction that absorbs heat • something measured in Kelvin • a reaction that releases heat • a system at 25C and 100 kPa is at • stored energy, the potential to do work • the study of energy involved in reactions • Power which may be translated into motion; ability to do work • ...
Science Vocab 2017-12-20
Across
- Measure of void spaces in a material
- The freezing and de thawing of water
- The mechanical breakdown of rocks into smaller pieces that is caused by natural processes and that does not change the chemical composition of the rock material
- The flow of a mass of mud or rock and soil mixed with a large amount of water
- The rock material carried and deposited by glaciers
- Large glaciers that grow in valleys
- Rain, sleet, or snow that contain high amounts of acid
- WEATHERING The chemical breakdown and decomposition of rocks by natural processes in the environment
- The process in which material is laid down
- The process by which wind, water, ice, of gravity transporte soil and sediment from one location to another
- The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks
Down
- Continuous glaciers that are much larger than alpine glaciers
- An area along a river that forms from sediments deposited when the river overflows it’s banks
- A chemical reaction in which a material combined with oxygen to form new material; this is a chemical reaction
- A large mass of ice that exists year - round and moved over land
- A mound of wind deposited sand that moves as a result of the action of wind
- Mass rocks and sediments carried down a glacier
- The process by which rock is reduced in size by the scraping action of other rocks driven by water, wind, and gravity.
- A fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply
- The sudden movement of rock and solid down a slope
- A mass of material deposited in a triangular or fan shape at the mouth of a river or stream
- The slow downhill movement of weathered rock material
22 Clues: Large glaciers that grow in valleys • Measure of void spaces in a material • The freezing and de thawing of water • The process in which material is laid down • Mass rocks and sediments carried down a glacier • The sudden movement of rock and solid down a slope • The rock material carried and deposited by glaciers • The slow downhill movement of weathered rock material • ...
Chemistry 2021-12-14
Across
- negatively charged subatomic particle
- the ability of a substance to catch fire
- a set of chemical symbols showing the elements present in a compound
- anything that has mass and takes up space
- a mixture that is evenly mixed throughout
- mass/volume
- a mixture that is NOT evenly mixed throughout
- the point where a liquid turns into a gas
- center of an atom made of protons and neutrons
- a number written on the left side of a compound to show how many molecules or atoms of a substance are involved in a chemical reaction
- the point where a solid turns into a liquid
- smallest unit of matter
- positively charged subatomic particle
- the point where a liquid turns into a solid
- where electrons are found
Down
- turning a liquid into a gas
- a compound that changes color in the presence of an acid or a base
- a process that separates solids based on their particle size
- the ability of a substance to be hammered or beaten into thin sheets
- a combination of two or more substances not chemically combined
- hydrogen ion concentration
- a measure of how much solute can be dissolved in a solvent at a given temperature
- neutrally charged subatomic particle
- a process that removes lumps from an ingredient and gives it a smoother consistency
- a pure substance made from only one type of atom
- a number written to the bottom right corner of a chemical symbol to show how many atoms of that element are in a compound
- the ability of a substance to be stretched into a thin wire
- a representation of a chemical reaction using chemical symbols to indicate the amount of substance in the reactants and products.
- two or more atoms held together by covalent bonds
- an atom or molecule that has lost or gained one or more electrons
30 Clues: mass/volume • smallest unit of matter • where electrons are found • hydrogen ion concentration • turning a liquid into a gas • neutrally charged subatomic particle • negatively charged subatomic particle • positively charged subatomic particle • the ability of a substance to catch fire • anything that has mass and takes up space • a mixture that is evenly mixed throughout • ...
Biology Module #5 2018-11-29
Across
- A change that affects the appearance but not the chemical makeup of a substance.
- A lipid made from fatty acids that have no double bonds between carbon atoms.
- A membrane that allows some molecules to pass through but does not allow other molecules to pass through.
- that are made up of more than two monosaccharides.
- A lipid made from fatty acids that have at least one double bond between carbon atoms.
- Two different molecules that have the same chemical formula.
- A bond that links amino acids together in a protein.
- The random motion of molecules from an area of high concentration to an area of low concentration.
- Breaking down complex molecules by the chemical addition of water.
- The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration.
- Simple carbohydrates that contain 3 to 10 carbon atoms.
- A measurement of how much solute exists in a certain volume of solvent.
Down
- that are made up of two monosaccharides.
- One of three forms-- solid, liquid, or gas-- which every substance is capable of attaining.
- A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and or phosphorus.
- Anything that has mass and takes up space.
- that result from atoms linking together.
- A collection of atoms that all have the same number of protons.
- A strong attraction between hydrogen atoms and certain other atoms, usually oxygen or nitrogen, in specific molecules.
- Lacking any affinity to water.
- A chemical reaction in which molecules combine by removing water.
- An explanation or representation of something that cannot be seen.
- A change that alters the makeup of the elements or molecules of a substance.
- The process by which living organisms produce larger molecules from smaller ones.
- A substance that alters the speed of a chemical reaction but is not used up in the process
25 Clues: Lacking any affinity to water. • that are made up of two monosaccharides. • that result from atoms linking together. • Anything that has mass and takes up space. • that are made up of more than two monosaccharides. • A bond that links amino acids together in a protein. • Simple carbohydrates that contain 3 to 10 carbon atoms. • ...
Burner Basics 2022-08-17
Across
- Required to promote adequate mixing of fuel and air together to maintain the combustion process.
- Used in the combustion process to produce heat as a product from a chemical oxidation reaction.
- This accounts for approximately 10% of the combustion air drop across the burner.
- Selective Non-Catalytic Reduction (SNCR) is like an SCR, but it doesn't have this.
Down
- This device is used to control the amount of air and the amount of gas mixed in a combustion reaction.
- A chemical reaction where fuel is mixed with oxygen at a temperature great enough for the reaction to occur.
- This is the main location for burner stability.
- Required to unite the proper amount of air with the quantity of fuel to be burned in the combustion process.
- Abbrev. Solving mathematical equations of physical phenomena using computers.
- This part of the fuel gas tip is used to control the amount of gas injected into the burner combustion zone.
- Air leakage into the furnace.
11 Clues: Air leakage into the furnace. • This is the main location for burner stability. • Abbrev. Solving mathematical equations of physical phenomena using computers. • This accounts for approximately 10% of the combustion air drop across the burner. • Selective Non-Catalytic Reduction (SNCR) is like an SCR, but it doesn't have this. • ...
Enzyme Crossword 2017-01-15
Across
- The reactant enzymes act on
- The result of two reactants
- "Children have larger thyroid glands than adults, which is why they have a higher ________"
- Molecules bind with active sites of an enzyme, which results in a change in the site
- Our body cannot produce these catalysts, but we need them in our diet. They come in varieties of the alphabet.
- Without ________, insufficient metabolism will occur in body cells
- A molecule that is a necessary participant in some enzyme reactions
- the amount of power acquired that will initiate chemical reactions
Down
- A chemical reaction which changes a molecule's shape, thus impairing its functions
- Located by your trachea, it is a structure which secretes hormones necessary for metabolism to occur
- A substance which enters the active site of the substrate it mimics and reduces the activity of the enzyme
- The part of the catalyst where chemical reactions occur
- The enzyme's active site changes in shape so that substrates can bind more easily; change is caused by the entry of the substrate
- An analogy which describes how each enzyme has a specific shape complimentary to the active site where substrate molecules bind
- The protein part of a catalyst that give them their specificity
- The protein that acts as a catalyst and reduces the amount of energy needed in a chemical reaction
16 Clues: The reactant enzymes act on • The result of two reactants • The part of the catalyst where chemical reactions occur • The protein part of a catalyst that give them their specificity • Without ________, insufficient metabolism will occur in body cells • the amount of power acquired that will initiate chemical reactions • ...
Science Vocab WORD PUZZLE! 2023-10-18
7 Clues: a final result • factors of a change • a statement/law of science • could be physical or chemical • could be formed in a chemical reaction • something that occurs (no longer the same) • a representation with reactants and products
Chemical Reactions and Heat 2024-03-08
Across
- A subatomic particle that has a positive charge and that is found in the nucleus of an atom
- A change in matter that produces one or more new substances
- a chemical reaction that releases energy to its surroundings
- A subatomic particle that has a negative charge
- Smallest particle of an element
- A combination of 2 or more substance that are chemical combined
- the property that describes how readily a substance combines chemically with other substances
Down
- a property of matter that describes a substance's ability to participate in chemical reactions
- A subatomic particle that has no charge and that is found in the nucleus of an atom
- the process by which the atoms of one or more substances are rearranged to form different substances
- two or more atoms held together by bonds
- the ability of a substance to burn
- A pure substance made of only one kind of atom
- A reaction in which energy is absorbed
- A combination of two or more substances that are not chemically combined
- a quality or condition of a substance that can be observed or measured without changing the substance's composition
16 Clues: Smallest particle of an element • the ability of a substance to burn • A reaction in which energy is absorbed • two or more atoms held together by bonds • A pure substance made of only one kind of atom • A subatomic particle that has a negative charge • A change in matter that produces one or more new substances • ...
Photosynthesis Vocabulary 2021-03-11
Across
- the organic molecule that acts as the main energy source for cell processes.
- an organism that makes its own food
- a chemical substance formed as a result of a chemical reaction
- small opening on the underside of most leaves through which oxygen and carbon dioxide can move
- a chemical substance that is present at the start of a chemical reaction
Down
- process that uses light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
- an organelle where photosynthesis occurs
- an organism that cannot make its own food
8 Clues: an organism that makes its own food • an organelle where photosynthesis occurs • an organism that cannot make its own food • a chemical substance formed as a result of a chemical reaction • a chemical substance that is present at the start of a chemical reaction • the organic molecule that acts as the main energy source for cell processes. • ...
chemical 2022-04-24
Across
- The physical look of a shape, sometimes doesnt change other times changes with container
- Length, width, height, and volume it takes up
- number The number on the top left of an element on the periodic table
- mass The number on the bottom of an element on the periodic table
- something that shares both a metals and non metals characteristics
- The letter(s) representing an element on the periodic table
- a bond making metallic substance
- metals elements on the far right of the periodic table
- Some non numerical information
- a bond with 2 non metals
Down
- One of many unique combinations of protons, neutrons and electrons
- Changes that do not impact the chemical makeup of an element
- Any numerical information
- Something that will change regardless of what type of change it is
- Changes that do impact the chemical makeup of an element
- A substance class with a high conduction rate is generally seen as shiny
- A substance made when 2 chemicals are added together
- The product that comes from 2 physically mixed chemicals
- of matter A solid liquid or gas
- a bond between atleast one metal element
20 Clues: a bond with 2 non metals • Any numerical information • Some non numerical information • of matter A solid liquid or gas • a bond making metallic substance • a bond between atleast one metal element • Length, width, height, and volume it takes up • A substance made when 2 chemicals are added together • metals elements on the far right of the periodic table • ...
Unit 2 vocab 2025-09-19
Across
- an atom that has gained or lost one or more electrons
- Molecule that forms a double-layered cell membrane; consists of a glycerol, a phosphate group and two fatty acids
- molecule composed of Carbon, Hydrogen, and Oxygen; includes sugars and starches
- a neutral group of atoms that are held together by covalent bonds, not necessarily a compound
- substance that decreases activation energy and increases reaction rate in a chemical reaction
- protein that catalyzes chemical reactions for organisms
- smallest unit of matter
- High-energy molecule that contains, within it's bonds, energy that cells can use
- process by which substances change into different substances through breaking and forming chemical bonds
Down
- Substances made of atoms of different elements that are bonded together in a particular ratio
- An organic compound composed of only carbon and hydrogen
- Double-layer of phospholipds that forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of the cell
- Substance made of only one type of atom that cannot be broken down by chemical means
- Molecule that makes up proteins; composed of Carbon, Hydrogen, Oxygen, Nitrogen, and sometimes sulfur
- large, carbon-based molecule formed by monomers
- Polymer composed of amino acids like peptide bonds; folds into a particular structure depending on the bonds between amino acids
16 Clues: smallest unit of matter • large, carbon-based molecule formed by monomers • an atom that has gained or lost one or more electrons • protein that catalyzes chemical reactions for organisms • An organic compound composed of only carbon and hydrogen • molecule composed of Carbon, Hydrogen, and Oxygen; includes sugars and starches • ...
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